Hydroboost rebuild This seal kit is exactly what you need to repair it fast! These seals are the common failure points on Bendix Units. Find top brands, exclusive offers, and unbeatable prices on eBay. The hydro-boost May 31, 2008 · Your other option is to purchase the repair kit from Piratejack. Providing new replacement parts as well as remanufacturing services. Power Brake Sales is a family owned and operated business specializing in affordable brake system repairs since 1948. After you have everything back together properly, fill your power steering reservoir. Oct 18, 2011 · I just finished rebuilding my hydro-boost and I thought I followed your instructions to a T but the darn thing is still leaking, what a bummer! Feb 16, 2024 · 1999 - 2003 7. 4. Jul 25, 2022 · I am about to replace my power steering pump and lines. 6L LLY Duramax. I thought I'd take some pix and basically show how I installed the unit, if anyone is interested. co/free-stock-music Our Anthem by Michael Ramir C. Shop now for fast shipping and easy returns! Jul 25, 2016 · A-Team Performance GM 3 Piece Hydro-Boost Repair Kit Seal Leak Repair Universal Kit Compatible with Chevy, GMC, Dodge and Ford Hydroboost If you have a power steering leak on your rig between the Hydroboost and MC in the weep hole, this seal kit is exactly what you need to repair it fast! These seals are the common failure points on Bendix Units. The hydro-boost uses the hydraulic pressure from the power steering system to provide the driver assist in applying the brakes. Only bummer about this job is that nobody sells the seal kit locally from what I could find. I saw a Youtube video where a guy left it out and the system over pressurized, destroying the Hydroboost. com FREE DELIVERY possible on eligible purchases Mar 24, 2008 · i just attempted to rebuild my hydroboost with the rebuild kit i purchased here i attatched the picture to show it (mine is a little different because i got the one that is only rubber. I'm very tired of being told when to pull over by self-applying brakes. I bought a kit off Brake Materials & Parts specializes in brake boosters to like new condition. Has anyone rebuilt one with the Kit-51 from 2771004 / Kit-501 Hydro-Boost Repair Kit- UNIVERSAL KIT GM, FORD, MOPAR WE OFFER 2 VERSIONS OF THE SAME EXACT SAME KIT. THE PURPOSE OF THIS KIT (KIT-501) IS DESIGNED TO GIVE YOU EVERY PIECE THAT YOU MAY POSSIBLY NEED TO DO A COMPLETE REBUILD OF YOUR HYDRO-BOOST SHOULD YOU NEED OR CHOOSE TO DO SO. I ran across a couple of videos on YouTube of dudes rebuilding their hydroboosts instead of replacing them. Pushrod Kit for hydroboost master cylinders that came without pushrod or is in need of repair. . :help: There is a thread on the Hydro Boost but it has been closed. Learn steps to fix brake issues fast. Operation, Diagnosis and Repair of HYDRO-BOOSTPower Assist Systems Bill Williams, Technical Contributor Hydro-boost power assist was introduced in 1973 by Bendix as an alternative to the vacuum booster. If you have a power steering leak on your rig between the Hydroboost and MC in the weep hole, this seal kit is exactly what you need to repair it fast! These seals are the common failure points on Bendix Units. FIGURE 1 - EXPLODED VIEW OF HYDRO-BOOST (Parts illustrated are for reference only and may differ slightly from actual parts required) Sep 16, 2011 · So far this is the best info I have found on the H. Is it as simple as that besides new plumbing and perhaps corresponding pushrod? I see after market kits fir $800 but thought I could Aug 3, 2017 · Hey all, I'm hoping someone on the forum can verify that I found the right rebuild kit for my leaky hydroboost in my 02 AWD. Any pointers and or rebuild kit part numbers would be greatly appreciated! Overview of resealing a leaking hydro brake booster on my 2004. I considered a rebuilt one but for the cost of two seals and quick repair time I figured this was the way to go. net "2771004X Hydro-Boost Repair Kit" for $33. 5 GMC Sierra 3500 SLT with 6. If you have a power steering leak on your rig between the Hydroboost and MC in the weep hole. 3K views 9 replies 5 participants last post by Explorer Nov 26, 2022 D If you’re like most people, your Chevy car is one of your favorite vehicle choices. K Oct 16, 2017 · Hydroboost repair How To Fix Your Leaking Hydro Boost Step by step Posted by Pirate Jack on Oct 16th 2017 All Years Before 2002 $35 All Years After 2002 $30 This is a universal seal kit meant to repair almost any hydroboost unit produced. Jun 14, 2021 · Anyone ever rebuild one? Getting ready to rebuild the one I have. b. By continuing, I agree to the and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Trust our brake rebuilding services with a history dating back to when your part originated. B. When bleeding the power steering, jack front tires up off the ground. May 4, 2020 · Replaced hydro boost seal, now brakes are locked up Jump to Latest 18K views 10 replies 5 participants last post by rcvirgil Jun 27, 2025 showme Discussion starter About this item Comprehensive Repair Kit: The A-Team Performance GM 2771004x Hydro-Boost Repair Kit offers a complete solution for fixing hydraulic brake booster leaks. Feb 4, 2012 · Ford Inline Six, 200, 250, 4. Commercial heavy duty trucks, buses, trailers, tractors, light duty cars/trucks and even classics; no matter what type of vehicle you have Power Brake Sales is a great resource to remanufacture, replace or improve brake part. Apr 10, 2018 · Hydro Boost Repair Video - See How Easy It Is! Posted on Apr 10th 2018 Mar 14, 2013 · I’ve had a few people ask me about my hydroboost install for my 4th gen so I found the pics I took of the install and decided to put up this how to. Nov 2, 2020 · Comprehensive Repair Kit The HCLLPS 3 Piece For Hydroboost Repair Kit is specially designed to solve hydraulic power and master cylinder leakage problems, providing a comprehensive solution to ensure optimal performance. ) Aug 29, 2025 · Hydroboost brake system troubleshooting helps diagnose stiff pedals, fluid leaks, or power loss. I also ordered a Blue 2771004x / Kit-50 Hydro-Boost Repair Kit (Rubber Seal Kit Only) NOTE: Does not include metal star washer and other metal washers for replacement if you need these components please see KIT 501 for a complete repair kit! Repair Kits for Hydroboost Brake Boosters. 9L / 300 - HYDROBOOST REBUILD - I'm about to start rebuilding my beloved h. It leaked from both sides of the firewall finally. 3L Power Stroke Diesel - Hydroboost Rebuild Overview/Cheat Code for Bleeding - Hey y'all! Just wanted to share my experience rebuilding the Hydroboost in my 2000 Super Duty. Ensure your vehicle's braking performance with regular fluid checks and routine inspections. I should mention that it was a $40 Mar 1, 2005 · The hydro-boost uses the hydraulic pressure from the power steering system to provide the driver assist in applying the brakes. Does anyone have experience or recommendations Hydroboost Brake Booster for heavy duty trucks, buses, tractors and more. A-Team Performance GM 2771004x Hydro-Boost 3 Piece Repair Kit 3 Piece Universal Seal Leak Repair Kit. Here is the rebuild kit that Jan 10, 2012 · 1999 - 2016 Super Duty - Has anyone rebuilt their Hydroboost? - Not having any luck searching the forum, so I thought I'd just ask. Position the new tube seats using old brass tube seats. HYDRO-BOOST SERVICE INSTRUCTIONS FOR KIT-50 and KIT-501 REBUILD KITS. 2. New important seals with booster Kit-501 (2771004) Hydro-Boost Seal Repair Kit, UNIVERSAL SEAL REPAIR KIT- GM, FORD, MOPAR Music https://mixkit. I went ahead and took out all Jan 17, 2010 · Attach all the power steering lines back to the unit. Apr 3, 2015 · This guide should be applicable for all hydroboost units, not just Ford as all units seem to be the same design with a few little odds and ends changed here and there. It has been dry as a bone 🦴 ever since repair was completed. In the comments of his video a person did not have a Sep 22, 2016 · Thought if the hydroboost unit was failing you usually got oil down the firewall. Jun 15, 2022 · Buy Hydroboost Repair Kit Ford GM Chevy 129496 SH (small hole) 5 Pcs: Repair Kits - Amazon. Maybe it's just the master cylinder? Sent from my iPhone using Tapatalk You usually see fluid from the weep hole between the master and the booster. Brakes are good and no Jul 13, 2005 · Has anyone rebuilt the 1984-1985 Hydroboost? Seals kit etc? Heard it wasn’t too complex. Replacing the Jun 15, 2022 · Buy Hydroboost Repair Kit Ford GM Chevy 129496-BSU Universal 6 Pcs: Repair Kits - Amazon. May 20, 2025 · Learn about preventive maintenance for Hydroboost brake systems. The main seal is just a rubber grease style seal (no metal or plastic ring) and the figure 8 seal isn't Oct 3, 2025 · To properly assemble the hydro-boost unit, begin by lubricating all parts and bores with clean power steering fluid. I was thinking about using a hydrobooster from a 86 k30. Report this image Pic 1 the leaky power piston seal (probably master cyl too. PLEASE READ THIS ENTIRE LISTING BEFORE CALLING, BUT FEEL FREE TO CALL IF YOU HAVE A QUESTION THAT Jan 18, 2020 · Excursion - King of SUVs - Hydroboost Rebuild and more! - So after much research on hydroboost units I have decided to rebuild my hydroboost since it is leaking from the weep hole between the HB and master cylinder. when i oppened it up though this gasket looked fine but i replaced it Jul 13, 2020 · NewYall Brake Hydroboost Seal Repair Kit for Ford for GM for Chrysler for Chevrolet F-150 F-250 F-350 G30 S10 Bronco Expedition Rubber for Bendix Hydro-boost 2771004 2005-2016 Chevrolet Silverado Hydro Boost Repair Kit WITH THIS KIT (0516-50) YOU HAVE EVERY PIECE THAT YOU MAY POSSIBLY NEED TO DO A COMPLETE REBUILD OF YOUR HYDRO-BOOST SHOULD YOU NEED OR CHOOSE TO DO SO. Any advice from those who have been Discover how to effectively repair a leaking Hydro-boost unit in this comprehensive tutorial. Removing and replacing the main, and inner seal on a chevy Hydro Boost. But like any other car, there are potential problems that can arise with it. Power Brake Exchange specializes in the business of re-manufacturing power brake units. Feb 17, 2013 · I've developed a small but steady drip from underneath my hydroboost cylinder, so it's time to take action. I've looked in the FSM and didn't seen anything about taking it apart. Easy to repair the leak from front of hydroboost weep hole. Turn the steering wheel all the way to the left stop, then to right stop. Bleeding Hydroboost (taken from Piratejack instructions) 1. Parts: Hydroboost Rebuild Kit - https://amzn. com FREE DELIVERY possible on eligible purchases Hydroboost Kits from Maximum Motorsports allow easy installation of an OEM 1996-2004 Mustang Hydroboost power brake assist unit into a 1979-1993 Mustang. We rebuild Bendix, Midland, Girling, Hydrovac, Treadle Vac, Master Vac, Hydroboost, Hy-Power, Dual Power, and Vacuum Boosters. to/2Vg0V1c If you like the vids and want to Oct 27, 2021 · Excellent Function: GM2771004 hydro-boost repair kit fits for Bendix and many other Hydro-Boost devices, this is a complete hydraulic pressurization repair kit, include all parts that you may need to repair and put them back into service, disassemble the hydraulic booster and replace the old seals with all new seals. Well after mine finally gave up the fight I decided to rebuild it. This video demonstrates that you can fix the issue for a fraction of the cost of a new unit, and the Oct 6, 2018 · I would like to rebuild the Hydro Boost. Click this bar to view the full image. Or on the inside of the firewall from the shaft that connects to the pedal Bendix Hydroboost Repair This image has been resized. Unfortunately you can't just buy the 1 or 2 seals you need, you get the whole kit of 25 or so seals. 3. unit. Oct 25, 2023 · So the hydroboost is leaking on my 95. The following kit is needed to repair the hydro boost, partial, and full rebuild. Mar 21, 2022 · I had read about how hydroboost are hard to rebuild and dangerous. Which Mustang Hydroboost unit should I use? Explore a wide range of our Hydroboost Repair Kit selection. anyways, i was pretty sure that i had to change to figure eight gasket (red arrow) because it it leaking out of the bottom of the housing. Now, there is a great youtube video of the system layout that was done by Weedahoe on the 3rd gens and nothing is really different between the two Aug 24, 2018 · Recommend a gm new hydroboost as I have warrantied dozens of aftermarket hydro boosts from people trying to save money. So some people say that the rebuild is the hard part, but I didnt really find it all that difficult. My pedal is also spongy. Compatible with Ford, GM, and Chrysler applications User-Friendly ? Includes everything needed and comes with a step-by-step guide with general instructions and easy to apply 3 Piece Aug 25, 2023 · Hello everyone. Shop our collection of Hydro Boost Brake Kits at SW Performance Parts! We offer free shipping on all purchases. Dec 3, 2008 · Hydro-boost power assist was introduced in 1973 by Bendix as an alternative to the vacuum booster. I searched the site but didn't see anything with a step by step break down on what to do. Most hydroboost units are manufactured by Bendix and nearly all the seals in the units have remained the same. Compatible with Ford, GM, and Chrysler applications, it enhances vehicle performance User-Friendly Installation: This hydro-booster rebuild kit includes a detailed step-by-step guide, making the installation process Aug 24, 2020 · Complete Hydro Boost Repair Kit - It includes all the necessary metal components for a comprehensive repair, making it the perfect solution for your issues Ideal for Various Bore Sizes - This kit is compatible with both 1. Dec 17, 2011 · This guide should be applicable for all hydroboost units, not just Ford as all units seem to be the same design with a few little odds and ends changed here and there. Power Brake Exchange is ready for any future challenges such as, being able to remanufacture Power Steering Components such as Rack and Pinion, Power Steering Pumps, and Gear Boxes. Nov 26, 2022 · Hydroboost rebuild Jump to Latest 1. 6 inch bore hydroboost units. I've seen a few articles about rebuilding the unit, but my question is if this is prudent on a vehicle that sees lots of travel miles (about 50K/yr). For detailed guidance, refer to the MPA video providing essential tips on the hydro-boost installation. Does the mounting bracket need to be removed ? (Snap ring, large nut) Or can I just break it apart and work with the bracket remaining on. We want every car owner to feel comfortable with their hydroboost rebuild, so we include a detailed set of instructions as well as all of the seals that you might need. It is a little more work to tear apart the HB unit that far but it is doable. I just replaced the master cylinder with a Motorcraft unit about 6 months ago. Has anyone rebuilt their hydroboost? I have a leak that shows up on my brake pedal apparently coming from the hydroboost where it extends through the firewall. if you go the rebuilt route, definitely thread the nuts on the four bolts a few times and lubricate them. And lo and behold, it does mention the hydroboost activating the brakes w/o pressure on the pedal!!!!!!!!!! For helvede. Dec 8, 2012 · The rebuild kit does include new rubber seals for replacing the ones that can leak into the firewall. Is taking it apart fairly easy? I for some reason I can't follow videos very well. Hydroboost repaired Great product. Aug 8, 2020 · Excellent 3 Piece Kit — 3 Piece seal kit for repairs of Bendix Hydro-Boost Kit 2771004 and many other Hydro-boost units. My hydroboost brake booster is leaking at several spots. Mount the brake master cylinder to the hydroboost. 1973-87 Chevy, GMC Truck Hydro Power Brake Boost KitThis item is a recurring or deferred purchase. In … Chevy Hydroboost Problems – Diagnosis and Repair Read More ». Start your engine. A quick look around and the replacement cost was too much for my cheap a$$ so I May 31, 2018 · I didn't rebuild it, I replaced it with a rebuilt AC Delco unit for CarID for about 150 bucks. Made from high-quality materials, including the 5/8 shoulder bolt ultrasonic, this hydroboost repair kit offers durability and long-lasting performance, making it a reliable Sep 27, 2020 · I am rebuilding the Hydroboost from a 94-95 Astro Van, the accumulator dump/check valve did not have a check ball in the plastic piston. I am interested in changing to hydroboost in my 86 k20 which currently is vacuum booster. May 5, 2021 · Hydro-Boost Seal Repair Kit ? Resolves leak problems between Hydroboost and Master Cylinder Excellent 3 Piece Kit ? 3 Piece seal kit for repairs of Bendix Hydro-Boost Kit 2771004 and many other Hydro-boost units. I'm sure May 9, 2020 · Well the "step on brake hard" part of the power steering pump test was too much for the 28 year old piston seal in the Hydroboost unit on my M998 and it started leaking between the master cylinder and the firewall. qtdof jph yhj aaug trmfo dtbkwo kgbpiv eyviak lpvucz tftqav gerwq lezc kdxut vmzfe zuyw