Questions & Answers for: Chevrolet HHR vacuum leaks

...Vacuum leak. Check all hoses for leaks. If all is OK, then the next thing it could be is a bad intake manifold gasket. Hope that helps. Need more info. Do you have a check engine light on? It sounds ...

...I hear a hissing sound and suggestions Sounds like your power booster is bad. You are hearing a vacuum leak on the booster when you push the brake. It will also be accompanied by a harder than ...

...OR STICKING.MASS AIR FLOW SENSOR DIRTY OR SKEWED. YOU COULD HAVE INTAKE LEAK LOOK FOR LEAKING VACUUM HOSES OR LEAKING PCV VALVE.TO SAVE TIME AND MONEY HAVE VECHICLE CODE SCAN.YOUR THROTTLE BODY ...

...cause a leak you can here, the first and most common is the power brake vacuum booster, it leaks when the pedal is pressed. The other is the vacuum control valve for the heater/AC system in the

I had work done on my steering column knukle and now I hear a vacuum leak Sounds like some thing was left off or knocked off, i would take it back and ask them to check this vacuum leak that was not ...

...put your foot on the brake -does the engine stop-- if so then replace the brake booster as it has a vacuum leak you may not notice the difference as most people sit at lights with their foot on the ...

...leaks and if ok , replace the module You may need to check vacuum controls within the environmental control box or take it out for inspection to check if one of the internal doors are stuck or ...

...reads what ails it. However, this often is not the answer, but rather a clue. For example, a small vacuum leak will cause a partial misfire, and the oxygen sensor may throw an objection. The point