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Steering Wheel Shakes When Braking

kalans1234kalans1234 Posts: 1
edited October 2015 in Pontiac
Hello everyone, my name is Kalan and I am having an issue with my wifes 2008 Pontiac G5 which is just about 99k miles. I have been researching and working on the G5 several times in order to fix this issue, and have not found the cure yet.

Vehicle
2008 Pontiac G5 sports edition 2.2L drum brakes in rear 99k miles

Problem
Steering wheel rattles/shakes when braking, which happens at various speeds. The G5 hasn't had any service recently when the issue has shown up.

What I Have Done
I have replaced both rotors, both sets of brake pads (ceramic), tightened all bolts to manufacturer's recommended specs, lubed caliper guide pins, bled the brake lines in front, pulled the ABS fuse (issue still present) and replaced it back, had a mechanic look at it which the only code he found was for the RR ABS sensor not being in sync along with the TPMS (tire pressure system) code as well (which the light for it has come on and off when driving at high speeds, but eventually goes away).

The issue has is still present from before and after all that has been done including replacing the rotors. I have come to many dead ends on researching, and even came to suspecting the steering column to be an issue although I do not hear any clunking or have steering issues. While replacing the brake pads I noticed the inside pads being more worn which had 1/3 life remaining while the outside pads had 2/3 left (still went ahead and replaced them). When compressing the calipers the dust boots did have an air bubble, which I tried to tuck in but was not successful which I discovered that led to them wearing a hole in them (since two weeks ago). I have ordered two brake caliper repair kits, which I will perform tomorrow.

Recalls Fixed
Power Steering, Ignition.

Any help would be great, thanks!
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