VEHICLES, CAMPERS, and BOATS > General Maintenance, How to/DIY projects
R&R and repair GM Hydroboost
Flyin6:
The subject vehicle is my 2500 series Chevrolet Suburban.
I noticed some fluid accumulating on the floor mat some months ago. Not knowing what it was, I continued to drive the truck and as time went along, the leaking was getting progressively worse, but not all that bad
(Except that any potential brake leak is no good)
Flyin6:
Start with a prayer.
It is a good practice to pray about all things
And I do not wish to be politically correct, but, rather, pleasing to the Lord!
After that, remove the two nuts holding on the master cylinder then just pull the MC forward
Flyin6:
Pull the return line by loosening the clamp then pulling upward
Flyin6:
Then disconnect the two steel lines from the hydroboost unit
Flyin6:
The typical leak point is in the front, a large bore seal that allows fluid to run out the front, as you can see here. In this case it is possible the fluid also made its way aft to the firewall, then inside the cabin due to being wind blown, or so is the theory at this point with respect to this repair
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