Recent content by John K

Hi again Tom (and others) I just went out and tried to test the check valve on the brake booster, as per instructions found here >>> itstillruns. then test-brake-booster-check-valve. After removing the hose from the check valve where it attaches to engine. I had to insert a small flexible tube...

No problems before installing new calipers, rotors, pads. Thanks for input. Will try another bleed all the way around.

ctan800 - I think your technique / strategy is good driving

I have a similar problem, and with the engine off it's rock solid. Engine on extremely spongy, almost to floor. If I shut off engine and keep brake engaged for 30 seconds then release the brake pedal it repressures and becomes rock solid with a few pumps. Help!!

Hi I'm here to learn and problem solve. I have almost the same vehicle with same engine, Pontiac Vibe 2010 1.8 L. Just did rear brakes, new calipers, rotors and pads. Bled entire system at all 4 wheels using 2 man system. Can get pressure at brake pedal with engine off, but on starting...