VEHICLES, CAMPERS, and BOATS > General Maintenance, How to/DIY projects
R&R and repair GM Hydroboost
Flyin6:
Moving inside, upside down, on your side, twisted into a horrible position, time to pray for peace and a little less pain from the front of the seat mount grindin' into your ribs and back.
Find the little clip that holds the pedal onto the shaft from the hydro boost and pry it off. Then slide off the brake switch
The pedal will now swing free like some hippie at a modern day woodstock reenactment concert!
Flyin6:
Not the best pic, but there are four 15mm nuts that hold the hydro boost unit to the firewall. Some are hard to get to, but with using various combinations of a 3/8" universal and various lengths extensions, you can get them out
Flyin6:
Then the thing can be worked out of its mount and free to continue working on
Flyin6:
Here is the el-cheapo mostly seals and O-rings kit used to freshen up this long life unit
Flyin6:
Now, it may not be necessary to remove the sheet metal mount, depending on how far you are going, but should you need to do so, and you own the most common type, use a punch and ball peen to tap against a flat of the big not to loosen it
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