vacume from the heater system when you are under a load,but it returns when you let back up on pedal,if you wanted to alter this affect you might try installing a vacume ball to the heater vacume hose
I have a 2003 GMC sonoma with a 4.3L Vortec V-6. I just purchased the truck and are having some rough idling problems. Forums suggest cleaning the EGR valve. I cannot figure out where it is. Can ...
...the breaking system go to how stuff works .com and look up how breaks and mastercylinders work it will explain how it uses vacume to assist the master cylinder but it sounds like u have an vacume ...
...system , the vacume has only two lines, one from the engine to the solenoid and one vacume harness that goes from the solenoid to both front wheel ends (hubs) Make note that vacume is supplied to the ...
my 04 crown vic will not change off from defrost, indicator lights show floor and vent when pushed but air flow stays on defrost, it does have automatic climate control if that makes any difference ...
1991 cavalier vl model diverter dor for vent,heat,defrost. not working is this controled by cable or is it a vac controlled system thank,s No look for vacum hose under hood that runs into fire wall, ...
fan is okay on heater but no warm air coming out. fan is blowing on heater but no warm air is coming out. air conditioner seems to work okay. It sounds like the valve may be stuck or broken that ...
my 2003 hyundai santa fe had a busted ac hose that we are replacing tomorrow. do we need to use a vacum pump on the system or can we just recharge with r134a with out pulling a vacum? Answer: NO... ...
1989 ford thunderbird standard brake system has hard pedal My 1989 ford thunderbird standard brake system has a real hard pedal when running and when not. When I am running the car and using the brake
The transmission won't shift out of 3rd and will only go up to 50 mph at around 3500 rpm. check for a bad vacum to the modulator valve on your transmission,or a bad vacum to the modulator valve on the
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