What makes a Duramax Hydroboost hard to fix?
The input shaft seals are what make it difficult, as they have to be slid on over the end of the pushrod. The Duramax Hydroboost uses what Bendix calls a ‘non-serviceable’ pedal pushrod, and some of the Bendix manuals state that if you feel the need to replace those seals, just buy a new unit.
What do I need to fix a Hydroboost leak?
The steel lines can be tight if they have never been removed before. You’ll want some rags/paper towels as these three lines will leak some fluid when they’re disconnected. Now move into the cab and look where the brake pedal connects to the hydroboost. There are 4 nuts to remove. The threaded stems are long so you’ll need a 15mm deep socket.
Where can I buy a Hydro Boost repair kit?
If you have a local hydraulic repair shop or some other place that sells oil seals, you may first try to see if someone local can get you a replacement. Your other option is to purchase the repair kit from Piratejack.net “2771004X Hydro-Boost Repair Kit” for $33.
Can a bad hose cause a Hydro boost to fail?
If any single hose is bad, the others are likely ready to fail. Not all hose defects can be detected from outward inspection because they usually fail from the inside out. Deteriorated hoses produce debris, which will damage all parts of the system, including the hydro-boost unit. 5. Flush the System
The input shaft seals are what make it difficult, as they have to be slid on over the end of the pushrod. The Duramax Hydroboost uses what Bendix calls a ‘non-serviceable’ pedal pushrod, and some of the Bendix manuals state that if you feel the need to replace those seals, just buy a new unit.
If you have a local hydraulic repair shop or some other place that sells oil seals, you may first try to see if someone local can get you a replacement. Your other option is to purchase the repair kit from Piratejack.net “2771004X Hydro-Boost Repair Kit” for $33.
How to fix a Hydroboost leak in a Chevy?
Now from the engine bay, you can pull the hydroboost unit away from the firewall. You’ll have to push the brake master cylinder out of the way. I pulled up on it slightly and pushed it towards the fuse box, while pushing the hydroboost towards the engine and pulling away from the firewall.
Is there a universal seal kit for Hydroboost?
This is a universal seal kit meant to repair almost any hydroboost unit produced. Most hydroboost units are manufactured by Bendix and nearly all the seals in the units have remained the same. The pictures below are from a 2005 Chevy 1500 4×4 Truck, however, your unit may look a little different.