The earlier ones are mostly straight. You can pull the Astro van pump with remote reservoir, or use the Eagle's pump, your choice. A Hydro-Boost brake system from a 1989 F-350 Super Duty transplanted onto a 1966 Dodge D300. by s10studduts01s » Thu Oct 08, 2009 1:19 am. Mount the replacement Hydro-Boost to the firewall but do not tighten the mounting nuts at this time. The worst complaints are engine, suspension, and windows / windshield problems. where is the EBCM module located on a 2000 Chevy Astro Conversion Van / 6 cylinder engine ? - Chevrolet 2000 Astro question. I also did this conversion a couple of weeks agolove the stopping power and the brakes don't fade away at stop lights. Slow pedal return can be caused by pedal linkage binding, a restricted booster hydraulic line, or an internal problem with the hydroboost unit. Vacuum brakes give you one pump of the brakes before you get weak brakes. FS: Hydroboost mounting adapters Hydroboost braking systems operate off of your power steering pump, and provide much better braking than manual brakes or vacuum boosters. FREE shipping is included on most products above the minimum order value. I was never very happy with my power booster so I started researching a hyrdoboost conversion. Hydro-Boost. Fuel economy for AWD was better than rear-wheel drive vans, which had a rated fuel economy of 20 to 21 miles per gallon. the Bracket is from a Ford Van they came stock with the Saginaw Pump. 94 Astro Van Parts (Aug 06, 2019) - Hi dear reader. I took the easy way years ago and bought from the company, "Hydra-Tech" They made a kit with an adapter plate for the firewall on my '56. A hydro boost MC wont make up for a MC that is too small. have hydroboost or a vacuum boosted brake system though? Gm Hydroboost Schematic >>>CLICK HERE<<< Location: 97 ECSB K1500 6. This was is using an astro van unit with the acclumator. An Astro Van hydroboost was pretty much a bolt in on my impala, so I don't see why it would be hard for you to do. Yep, Astro Booster and 87 K30 MC. NEW '68-'82 C3 Chevy Corvette Hydroboost and mount, Power Brake Booster - $640. This one from the C30 is a much better. it was mostly stuff about the vanco kits. Information about Chevy Astro and GMC Safari vans. I too used a MC from a 1978 Mercury grand marquis with disc brakes. there are a few ways to tackle the project. Hydraulic Brake Setup, Design I Booster: New 1978-1979 Ford Bronco 1976-79 F150, F250, F350 4wd See part description Proudly Made In The USA! 12-15 weeks for delivery. I just compared the hydroboost on my Astro van to the one on my 94 K2500 with the 6. Getting ready to do this but would like to go ahead and install a new power steering pump w/hydroboost provisions. 3L engine used in both the vans and trucks have an upper composite intake manifold with a molded tower for a vacuum line. I've read that the pedals are different and a hydroboost setup has dual power steering and crank pulleys. CSI Automotive Sales, Service & Parts. Inside this article is also two procedures on how to bleed the system if needed. I never understood that. 1966-75 Ford Bronco Disc Brake Conversion Caliper Mounting Bracket,backing Plate. Google searches of " hydroboost conversion" really didnt pull up alot of useful info. It is set up for installation either right side up or inverted in a C3 Corvette with power brakes (the manual brake pedal assembly has a different bolt pattern. However i did put a hydro boost from a astro van in my scout, it was easy as well, just drilled some holes in the firewall and used the chevy pushrod. 64 results for hydroboost brake Save hydroboost brake to get e-mail alerts and updates on your eBay Feed. plus astro vans are a dime a dozen in junk yards. Hydroboost Brake Booster Conversion Kit 4-lines High Pressure Crimpedpush Lock. Car & Misc. hydro-boost systems are usually self bleeding. I installed a HB and MC from a 92 Chevy Astro Van last fall. The PROBLEM: Jeeps are notorious for poor stopping performance Then you add front discs, rear discs, larger tires, bigger axles with bigger brakes, lower gears, a bigger engine, and so on and so forth, and before you know it, the brakes become almost useless with the pressure and power generated by the original stock braking system. This is a two plate kit for the "do it your-selfer" and requires welding, (if desired, add $25 for the three plate kit). Astro Van Hydroboost Mounting Plate, Bracket, Adapter. Plus, the extended body option was made available. The firewall plate matches the Jeep CJ7-8-YJ power brake bolt pattern (the plate on the left in the first pic) and when welded up lets you simply bolt up your self sourced Astro van hydroboost (remove the studs and use 1" bolts) with the 6. My car is a rhd 69 dodge dart (valiant here) so if I bought off the shelf kit i would still need to mod it. These hydraulic assist brakes work off of your power steering pump and are more powerful and compact than a vacuum assist system. good write up on astro van. The Chevrolet Astro was a rear-wheel drive mid-sized van introduced by Chevrolet in 1985 to rival domestic (American) competitors the Dodge Caravan/Plymouth Voyager twins and the Japanese Toyota Van. Search pre-owned 2001 Chevrolet Astro listings to find the best local deals. Read through the threads, you'll see it's certainly worth it from the descriptions of the braking power difference. I've modded one off of a astro van on to my 67. i searched but didn't find anything i know i can get them from a pickup with a deisel but the yards are picked clean around here and they don't have any. Easy to use parts catalog. Astro-Safari-Info. HYDROBOOST CONVERSION: The one off the Astro van is NOT the one you want on the MH, it is not set up correctly for the MH. where is the EBCM module located on a 2000 Chevy Astro Conversion Van / 6 cylinder engine ? - Chevrolet 2000 Astro question. In addition to our suspension parts we now offer high quality disc brake conversion kits, power brake boosters and the ultimate in stopping power the HydroBoost power brake conversion. Accurate diagnosis of a hydro-boost power assist device depends on combining an understanding of their function with a logical diagnostic approach. These adapter plates allow you to bolt an Astro Van (or similar) Hydroboost unit to a Tri5 in the stock brake master cylinder location. I've read that the hydroboost needs 1500-1600 psi and 3. The Astro Van Hydroboost was out of a 1990-1995 Van - mine specifically was a 1992. Gardner Car and Truck Repair Automotive Parts and Accessories for Cars and Trucks. -This is the hardest part about this conversion. here's where the hydroboost conversion showed its appeal. what master cylinder did you use? i sent a message to wilwood a while ago and never got a word back from them. I also did this conversion a couple of weeks agolove the stopping power and the brakes don't fade away at stop lights. Simple if ther was a problem with the chevy push rods eye the wrong size just cut it off and weld the ford one in place. Buy Universal Hydroboost Brake Power Booster Kit w/Astro Van Bracket For Street Rod: Power Brake Systems - Amazon. Inside this article is also two procedures on how to bleed the system if needed. I have read about people using a hydroboost unit sourced from a Chevy Astro-van. Our Hydro boost hydraulic brake assist power booster fits 1967-69 Chevy Camaro and generates up to 1800psi of line pressure to the brake calipers. Shop with confidence. FS: Hydroboost mounting adapters Hydroboost braking systems operate off of your power steering pump, and provide much better braking than manual brakes or vacuum boosters. It's actually a pretty easy swap. It is set up for installation either right side up or inverted in a C3 Corvette with power brakes (the manual brake pedal assembly has a different bolt pattern. I did the hydro boost conversion using an astro van unit and everything appears to be hooked up correctly. it was mostly stuff about the vanco kits. The hydro-boost will use up less space than the vacuum booster. Common Issues. There's nothing wrong with having hydroboost but it doesn't make sense for someone to do a conversion when all they need is a reservoir. From what I can see, you need to use the stock pin, as the pin from the Astro van is different. Click here to view more info or to contact me at Custom Power Brake The used Astro hydroboost (available on request with prepayment) is only $125 shipped if you don't need the master cylinder (1980 down to about '74 or so FSJ), add $25 for the MC if you do need it and another $53 for the mount (depending on the type mount you'd like, $98 for stainless). com FREE DELIVERY possible on eligible purchases. Could you imagine all the accidents and deaths from factory installed Hydro boost systems if there were no functioning brakes without the motor running. i think mustang steve has a hydroboost install on his site, but i am not sure. where is the EBCM module located on a 2000 Chevy Astro Conversion Van / 6 cylinder engine ? - Chevrolet 2000 Astro question. The hydro-boost will use up less space than the vacuum booster. This is a new (not rebuilt) hydroboost and mount set up in two different versions for the '65-'66 Mustang. 1/2 off day at pick N Pull from an Astro van. since the 94 and 96 hydroboost systems are basically the same, they use the same mods to install. My question is I read many use the unit from a 95 Astro van. I can tell you that the Wilwood setup gives you a whole new perspective on bleeding brakes. I took the easy way years ago and bought from the company, "Hydra-Tech" They made a kit with an adapter plate for the firewall on my '56. 5-4 GPM flow. hydroboost can indeed be installed in the early cars, but you have to have power steering. First are the specs: '96 Sonoma with Gen III V8 from Tahoe. Question is if installing a new pump, would the bypass need to be installed as well, or are the hydroboost power steering pumps different? I'm looking at the AC Delco #36517138 This is for a 97 C1500. 3L 4L60E 14 bolt SF Hydro Boost, Headman This is the schematic I got. Western Chassis also offers the best in traction bars, lowering block kits and rear 4 link suspensions. If anyone has considered upgrading to hydroboost brakes in your full size Jeep (or other project) I have worked up a pretty good system using used Astro/Safari van hydroboost coupled with a spacer and bushed pushrods to fit your Jeep. 3 wrote:only certain years of astro van booster will work because some years they angled the. The Chevrolet Astro Van usually comes equipped with a hydro boost system. 2771004 / kit-501 hydro-boost repair kit- universal kit gm, ford, mopar. went to junkyard and pulled the hydroboost unit along with the master cylinder off a astro van, I think i spent $40 got hydroboost power steering lines for a diesel 98 tahoe from rock auto $50 power steering cooler and fluid from napa $40 refurbished power steering pump for a 98 diesel tahoe from some random place online $50. Gardner Car and Truck Repair Automotive Parts and Accessories for Cars and Trucks. On another forum, 56-210sedan mentioned AC Delco 178-585 would work in a trifive, which happens to be a ~96 Astro Van unit. CSI Automotive Sales, Service & Parts. Chevrolet Silverado 1999-2006: How to Swap Vacuum Brake Booster with Hydroboost System. However instead of using a vacuum unit, I have been toying with the idea of using a hydroboost. Hydroboost - This unit puts out 2,500-2,700 lbs of pressure. I read some posts and searched Hydroboost and found some good info,, I think I'll do that and get rid of that spare tire under my hood So to get it straight, I have a 99 s10, what year astro van and what all do you need? Thanks. Only at www. That currently cools the stock Sonoma steering gear box and that's it. In addition to their popularity as conversion vans, the Astro and Safari both have popular followings with "back yard" modifiers. i had never seen one before. Ford Galaxie forum, Galaxie message board, This forum is for discussion specific to the Ford Galaxie all years and other Full-size-Ford Lincoln and Mercury cars. I bought a hydroboost unit from an Astro van in a junk. Sold alongside the GMC Safari, the Astro was marketed in multiple configurations, including passenger minivan and cargo van. It applies the brakes when you rev the engine. you will have to reinforce the firewall to handle the extra load. NOTE: This conversion alters one of the safety devices (the brakes) on your vehicle. The Chevy Astro van was produced from 1985 to 2005. My mechanic, and my son both encouraged me to get rid of the manual brakes and switch to hydroboost. Hydroboost Brake Booster Conversion Kit 4-lines High Pressure Crimpedpush Lock Buick Gn Hydroboost Mount Kit For Adapting Astro Van Or Similar Hydroboost. The Chevy Silverado 1500 came stock with a vacuum operated brake booster. Diesel engine trucks and some heavy duty gasoline trucks are equipped with the Bendix Hydro-boost system. My hydroboost isn't from Hydratech or one of the others, it's a new unit for an Astro van that I am adapting. Parts Needed: Astro Van Hydro-Boost Unit, 90-94 (HB). Hydro boost systems are installed on almost all diesel cars as well as most Asto Vans as well as many heavy duty trucks. Custom Building Hydro Boost Setup for 1973-1979 F Series and 78-79 Bronco. In addition to our suspension parts we now offer high quality disc brake conversion kits, power brake boosters and the ultimate in stopping power the HydroBoost power brake conversion. CJ Pony Parts features 1964-1998 Mustang Power Brake Boosters & Power Brake Conversion Kits at amazing prices. Gardner Car and Truck Repair Automotive Parts and Accessories for Cars and Trucks. At the Jalopy Journal, there's a discussion about Hydroboost brakes. My question is I read many use the unit from a 95 Astro van. a few questions though, does it bolt back to the s-10 fire wall in the stock holes or will i need to redrill mounting holes? and did you usea stock s-10 master cylinder or the one from the astro van?. I had originally wanted to make a simple socket out of 2x2x16ga tubing but couldn't find a 4" drop anywhere. Only the big van has a flat bracket. Custom Building Hydro Boost Setup for 1973-1979 F Series and 78-79 Bronco. Topics include door panels, and seat belts or the dash and carpet, trim, and seats. Make sure you get the nuts for the studs on the mounting flange and the master cylinder side when you rip it off from that Astro van. Many good pictures. We take the Hydroboost from a Chevy Astro Van and with some clean up and some time we reuse it for our Chevelle wagon. net) I've been unsatisfied with the standard vacuum-assist braking system on my '85 F350 diesel for a long time. Hi guys can anyone tell what hydroboost unit is mostly used for conversins as I will be setting up my own. 00) but several hours work. 3L engine used in both the vans and trucks have an upper composite intake manifold with a molded tower for a vacuum line. 3L have hydraulic boost brake systems. Using a '94 Astro van hydroboost unit and P/S reservoir. when it did so, the brakes turned mushy with little braking power. Universal Bosch Hydroboost Kit. It is set up for installation either right side up or inverted in a C3 Corvette with power brakes (the manual brake pedal assembly has a different bolt pattern. "The Hydratech hydraulic brake assist system install has been one of the best improvements we've made to our car, and we cannot recommend Hydratech enough. FS: Hydroboost mounting adapters Hydroboost braking systems operate off of your power steering pump, and provide much better braking than manual brakes or vacuum boosters. Steering, shocks, springs, and brakes. com, the official website for Car Craft Magazine. A fellow who used a unit from a Lincoln Versailles makes the excellent point that if you are using a boneyard unit, get all the hoses associated with it. An air ratchet would be invaluable. CSI Automotive Sales, Service & Parts. Makes for a clean install and looks like it would take up less room than some of the other boosters out there. 3's Many GM vans featuring the 4. I found one from a 86 C20 Chevy pickup. And i can say after reading it a few times (before photobucket ruined it) i could have saved a ton of trial and errror not to mention some custom machine work. In 1990, the Astro/Safari vans became the first mid-sized van in the United States to offer an all-wheel drive option. So, off came the booster. New and Used Automotive Parts and Accessories On Sale. Gardner Car and Truck Repair Automotive Parts and Accessories for Cars and Trucks. I installed a HB and MC from a 92 Chevy Astro Van last fall. Information about Chevy Astro and GMC Safari vans. when it did so, the brakes turned mushy with little braking power. Then they go back to manual brakes. I have seen hyrdo boost systems in factory Ford and Chevy cars and trucks. Five years after being introduced, the GMC Safari and Chevrolet Astro van lines were refreshed and improvements were made to the dashboard features and hydroboost breaking system. AstroSafari Information. My question is, what hole in the pedal arm should the clevis go into?. The Astro van hydroboost is relatively easy to adapt to the Eagle because it uses the same type and size fittings, as well as the same style pump and gear. Put the old Hydro-Boost into carton to assure proper core credit upon return. sunday, the power steering pump went out. I have installed an Astro van hydroboost unit with a Talon Hyd. I think you can get those items from a GM/Chevy dealership. Hydro-Boost. Hydroboost brakes are a great upgrade over manual or vacuum power brakes. There was an all wheel drive Astro van that is way off base to adapt to the car, with it's angle bracket. This van handles the road excellently, anti-lock brakes are very quick to respond and. 3's Many GM vans featuring the 4. I do not remember which year it came out of but it is from an Astro van. Learn about this problem, why it occurs, and how to fix it. This switch is simplified because the 4. com > Models > Jeep CJ Forum > Astro van booster brake conversion Reply. 4 Stainless Braid Hose Kit for Porsche 944 with LS Engine Conversion and Mustang Hydro-Boost $369. 3 wrote:only certain years of astro van booster will work because some years they angled the. flush the system and use the Low Temperature Climate fluid and that usually helps. I decided to use a Chrysler master cylinder with the booster and procured one from a Dodge van. I intend to change the MC & proportioning valve to correspond to the year C4 brakes I receive from Chevynut. That currently cools the stock Sonoma steering gear box and that's it. Hydratech Braking Systems Multimedia Gallery. Hydroboost Brake Booster Conversion Kit 4-lines High Pressure Crimpedpush Lock Astro Van Hydroboost. com FREE DELIVERY possible on eligible purchases. Also known as the Chevrolet Astro, the GMC Safari Van was introduced in 1985 to compete with the Japanese Toyota Van, Plymouth Voyager, and Dodge Caravan. The worst complaints are engine, suspension, and windows / windshield problems. It applies the brakes when you rev the engine. Questions: 1) I have the stock Sonoma P/S cooler which is nothing more than a few squiggles of 3/8" hard line in front of the radiator. It requires MUCH less effort on the brake pedal than the old vacuum booster system did and I would prefer it to require more pedal pressure than it does. Astro van's full size trucks, mustangs from what i hear the mustang ones aren't very powerful and I think the full size truck ones would be a bit too much. The Chevy Astro van was produced from 1985 to 2005. Ford Galaxie forum, Galaxie message board, This forum is for discussion specific to the Ford Galaxie all years and other Full-size-Ford Lincoln and Mercury cars. Talk about your center console, seats, door handles, upholstery, steering wheels or any other. The S-10 Blazers and other models, do not. Gardner Car and Truck Repair Automotive Parts and Accessories for Cars and Trucks. A year after, more optional features and upgrades were introduced in Astro vans. However i did put a hydro boost from a astro van in my scout, it was easy as well, just drilled some holes in the firewall and used the chevy pushrod. where is the EBCM module located on a 2000 Chevy Astro Conversion Van / 6 cylinder engine ? - Chevrolet 2000 Astro question. The answer was found with hydro boost, small in diameter with more than enough line pressure. Hydraulic Brake Setup, Design I Booster: New 1978-1979 Ford Bronco 1976-79 F150, F250, F350 4wd See part description Proudly Made In The USA! 12-15 weeks for delivery. It is fitted with a Wilwood master cylinder and adjustable proportioning valve. Buy Universal Hydroboost Brake Power Booster Kit w/Astro Van Bracket For Street Rod: Power Brake Systems - Amazon. Find Classic Performance 6366HBK-BSB and get Free Shipping on Orders Over $99 at Summit Racing!. Be sure to guide the pushrod into place without. I needed the push rod and unfortunately damaged the cup that the rod sits in. it was to long so i had to cut 1/2" out of it and welded it back together. Google searches of " hydroboost conversion" really didnt pull up alot of useful info. Hydroboost has an accumulator built in and will provide power brakes for 3 pumps after the engine has died. 5-4 GPM flow. HYDROBOOST CONVERSION: The one off the Astro van is NOT the one you want on the MH, it is not set up correctly for the MH. That currently cools the stock Sonoma steering gear box and that's it. Brakes are, however, slightly more technical than cutting and cobbling. These hydraulic assist brakes work off of your power steering pump and are more powerful and compact than a vacuum assist system. There is no need to disconnect a line. com, the official website for Car Craft Magazine. If you should decide to undertake this conversion, it should be performed by personnel who are competent to conduct such alterations to a vehicle. hydro-boost systems are usually self bleeding. Topics include door panels, and seat belts or the dash and carpet, trim, and seats. One more thing is an adjustible prop valve. SummitRacing. The Hydroboost uses hydraulic pressure which comes from being plumbed into your. Ok, this question is 2-fold. "The Hydratech hydraulic brake assist system install has been one of the best improvements we've made to our car, and we cannot recommend Hydratech enough. This is a reproduction GM Astro Van hydroboost mounting plate. Learn about this problem, why it occurs, and how to fix it. Installing Hydroboost brakes It’s been a while since I indicated my desire to add hydroboost brakes to my 1981 CJ8; but that is because I ran into some problems in the process. This is a two plate kit for the "do it your-selfer" and requires welding, (if desired, add $25 for the three plate kit). Print See Figures 1, 2 and 3. Re: (hydroboost) brakes locking up at idle Go to the auto parts store and take a pair of calipers along, get them to show you a master cylinder for a 94 Astro and measure the depth of the pocket that the Hydro boost goes in to, use the mounting flange as referance. "Hydroboost Kit 68-70 B-Body for Chrysler Master Cylinder" Umbausatz auf hydraulische Bremskraftunterstützung Der Druck der Servopumpe ist dann für die Bremskraftunterstützung zuständig, somit ist es dann egal wie viel Unterdruck der Motor macht!. The part numbers are from www. Built my own mount and modified the pushrod. I am currently doing this with a full size chevy van hydroboost unit for my 78 camaro and I made a billet bracket to bolt it on the firewall. If you didn't know any better, you'd think this was a factory fit. Hydroboost Heaven, a tale of three boosters Scrounged up three Bendix hydraulic brake boosters to maybe make one like I want. Here is a good article on hydro-boost system and how it works. many do not trust the used parts, mine is fine. New and Used Car and Truck Parts and Accessories On Sale Hydroboost Brake Booster Conversion Kit 4-lines High Pressure Crimpedpush Lock Astro Van Hydroboost. Common Issues. My choices are: a different cam, electric pump or a hydroboost system. hydroboost conversion. 3's Many GM vans featuring the 4. Diesel engine trucks and some heavy duty gasoline trucks are equipped with the Bendix Hydro-boost system. have hydroboost or a vacuum boosted brake system though? Gm Hydroboost Schematic >>>CLICK HERE<<< Location: 97 ECSB K1500 6. You can go forward with the hydroboost brakes. 2004/5 Chevy Tahoe 1984 Cadillac Unknown Model-Rear Wheel Drive 1979/87 Chevy C30 Dually 1970's Cadillac Eldorodo 1984 3/4 Ton GMC Truck 1980 Chevy. Also sharing the Astro's platform was its sibling, the GMC Safari. Some vans have the original 4. Other sites will try to fool people into buying cheap aftermarket imitations of OEM parts. The Chevy Astro van was produced from 1985 to 2005. plus astro vans are a dime a dozen in junk yards. You can save money by buying all the parts and pieces for less. There's quite a design difference between the GM Astro van hydroboost compared to the SN95 (1996-2004) Mustang hydroboost. 94 Astro Van Parts (Aug 06, 2019) - Hi dear reader. Driving 65 or. corybride, thanks for the pics, i should be able to tell one of those from a regular booster. Check out free battery charging and engine diagnostic testing while you are in store. but while i was out one day i noticed a sh!t ton of chevy vans with hydroboost in them. When scavenging a hydroboost (HB) from Astro vans, look for the earlier 90's, as the later ones are mounted at an extreme angle that just might not work in our trucks. I was never very happy with my power booster so I started researching a hyrdoboost conversion. Unfollow hydroboost brake to stop getting updates on your eBay Feed. I can tell you that the Wilwood setup gives you a whole new perspective on bleeding brakes. Parts: Hydroboost unit form a Chevy Astro Van. went to junkyard and pulled the hydroboost unit along with the master cylinder off a astro van, I think i spent $40 got hydroboost power steering lines for a diesel 98 tahoe from rock auto $50 power steering cooler and fluid from napa $40 refurbished power steering pump for a 98 diesel tahoe from some random place online $50. The Astro Van Hydroboost was out of a 1990-1995 Van - mine specifically was a 1992. there are a few ways to tackle the project. it was mostly stuff about the vanco kits. My question is, what hole in the pedal arm should the clevis go into?. we offer 2 versions of the same exact same kit. Custom Building Hydro Boost Setup for 1973-1979 F Series and 78-79 Bronco. Hydraulic Brake Setup, Design I Booster: New 1978-1979 Ford Bronco 1976-79 F150, F250, F350 4wd See part description Proudly Made In The USA! 12-15 weeks for delivery. If it goes to floor without touching it, you either have a defective hydro-boost unit or line routing is incorrect. Information about Chevy Astro and GMC Safari vans. Modifications are both street and off-road. Hydroboost uses pressure from the power steering pump and conversion kits are becoming popular. The PS pump is toast. Yours if you want it. com FREE DELIVERY possible on eligible purchases. Now since I have 4 wheel disc brakes I needed to swap to a 4 wheel disc MC. Astro van's full size trucks, mustangs from what i hear the mustang ones aren't very powerful and I think the full size truck ones would be a bit too much. 2771004 / kit-501 hydro-boost repair kit- universal kit gm, ford, mopar. i searched but didn't find anything i know i can get them from a pickup with a deisel but the yards are picked clean around here and they don't have any. Using this remanufactured booster and some small brake parts from past projects I did the conversion for about $200, including the deposit because I didn't have a core to return a worn out unit. Following a thread on the Just Internationals forum, I ventured out to the junkyard with my brother-in-law in search of an Astro Van with ABS brakes. Save $2,612 on a 2001 Chevrolet Astro near you. I plan to do the hydroboost with the unit from an Astro van on my '84, it's really easy, I figure it'll cost around $100 with junkyard booster and some new parts. Yep, Astro Booster and 87 K30 MC. Chevrolet Astro Power Brake Units May Leak Fluid From Hydro-Boost Unit - 38 reports. OE quality seals, diaphragms, and check valves are installed on every unit for like-new performance and reliability. I never understood that. The hydroboost units are fairly common in U-Pull yards, mostly on GM vehicles; full size pickups, Astro vans, some full size van, and some '90s full size wagons. This was is using an astro van unit with the acclumator. have hydroboost or a vacuum boosted brake system though? Gm Hydroboost Schematic >>>CLICK HERE<<< Location: 97 ECSB K1500 6. As far as I know all Astro and Safari (GMC) mini vans utilized hydro boost. My question is about routing power steering lines in a custom build. The Bosch Hydro-Boost is smaller than the 7" hot rod booster and can generate 1200 to 2000 psi at the calipers. I've been doing alot of research on doing a Hydroboost instead of spending $700. Hydroboost Brake Booster Conversion Kit 4 Lines High Pressure Crimped Push. HYDROBOOST CONVERSION: The one off the Astro van is NOT the one you want on the MH, it is not set up correctly for the MH. It requires MUCH less effort on the brake pedal than the old vacuum booster system did and I would prefer it to require more pedal pressure than it does. From what I can see, you need to use the stock pin, as the pin from the Astro van is different. Re: (hydroboost) brakes locking up at idle Go to the auto parts store and take a pair of calipers along, get them to show you a master cylinder for a 94 Astro and measure the depth of the pocket that the Hydro boost goes in to, use the mounting flange as referance. HQ Automotive Service & Parts. NOTE: This conversion alters one of the safety devices (the brakes) on your vehicle. I can help with part #'s to make your lines. Bought my 2005 Astro cargo van years ago, it now has almost 200,000 miles on it and it's still going strong. The Chevrolet Astro is a van that was manufactured and marketed by the Chevrolet division of American auto manufacturer General Motors from 1985 to 2005. Hydro-boost brake systems are self-bleeding if there is no other problem in the system. 3L engine used in both the vans and trucks have an upper composite intake manifold with a molded tower for a vacuum line. Our Hydro boost hydraulic brake assist power booster fits 1967-69 Chevy Camaro and generates up to 1800psi of line pressure to the brake calipers. Mount the replacement Hydro-Boost to the firewall but do not tighten the mounting nuts at this time. I got mine at a salvage yard. From what I can see, you need to use the stock pin, as the pin from the Astro van is different. i think mustang steve has a hydroboost install on his site, but i am not sure. or i could just use the astro master as well. Plus all the hoses and fittings to attach to the PS pump. There's nothing wrong with having hydroboost but it doesn't make sense for someone to do a conversion when all they need is a reservoir. So instead of doing like a resposible person would and focus on upgrading the braking components at the wheels I grabbed a HB unit from a 91 astro van at the JY. Accurate diagnosis of a hydro-boost power assist device depends on combining an understanding of their function with a logical diagnostic approach. Installing hydroboost from a 1986 Chevy C30 onto a 1970 C10. Steering, shocks, springs, and brakes. The Bosch Hydro-Boost is smaller than the 7" hot rod booster and can generate 1200 to 2000 psi at the calipers. This is true for diesel, turbocharged, and supercharged engines. On another forum, 56-210sedan mentioned AC Delco 178-585 would work in a trifive, which happens to be a ~96 Astro Van unit. I intend to change the MC & proportioning valve to correspond to the year C4 brakes I receive from Chevynut. Western Chassis also offers the best in traction bars, lowering block kits and rear 4 link suspensions. Also you need the pushrod and spring going from the MC to the Hydroboost.