Pontiac Problems? Ask a Mechanic for Answers ASAP
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1-IF YOU PULL THE VACUUM HOSE OF THE BRAKE BOOSTER , DO YOU HAVE VACUUM ?
2-HAVE YOU CHECKED THE CHECK VALVE ON THE BRAKE BOOSTER FOR MALFUNCTION?
3-HAVE THE HOSE BEEN CHECKED FOR CRACKS OR LEAKS ?
Vacuum Brake Booster Check Valve and/or Hose Replacement Removal Procedure 1. Loosen the hose clamp and remove the vacuum hose from the check valve. 2. Remove the check valve from the booster (5). Installation Procedure 1. Install the check valve to the booster (5). 2. Install the vacuum hose to the check valve. 3. Install the hose clamp in order to retain the vacuum hose to the check valve.