No brakes
Thread Starter
Senior Member
Joined: 10-19-2013
Posts: 419
From: Dallas Texas
No brakes
So i decided to change the front brake pads on my 2008 HHR. I did not open tge resevoir cap. The pads had about 1/3 material left on them, but i put new ones on anyway. I merely compresed the caliper pistons back in using a c-clamp. I NEVER opened the bleeder valves. When i press the brake pedal with the engine not running, it feels good. When i start the engine tge brake pedal goes almost to the floor. What did i do wrong? When i opened thr master cylinder, no fluid overflowed.
Thread Starter
Senior Member
Joined: 10-19-2013
Posts: 419
From: Dallas Texas
Fluid is full, I never added any, nor did I seem to loose any. That kinda makes me wonder, after compressing those two pistons, where did all that fluid go? The wear groove on the old brake pads range from 2.5mm to 3.5mm deep.
Senior Member
Joined: 04-03-2018
Posts: 249
From: Florida
You should have opened the cap and fluid should have overflowed out the lid IF the level was full when you started.
The only place it could have gone would be into the booster if there were no overflow anywhere.
The only place it could have gone would be into the booster if there were no overflow anywhere.
Platinum Member
Joined: 01-09-2007
Posts: 16,081
From: SE USA
Agree with Whopper.
Anytime I have replaced disc pads without opening the bleeder. The first pump of the pedal does go to the floor, then it is fine. It a matter of getting the fluid back into the caliper, that you squeezed out for new pads.
Anytime I have replaced disc pads without opening the bleeder. The first pump of the pedal does go to the floor, then it is fine. It a matter of getting the fluid back into the caliper, that you squeezed out for new pads.
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