Questions & Answers for: Cadillac DeVille cap safety valve turn

...valve? at the bottom of the radator at one of the corners useally the left side there is what is called a petcock, turn that counter clock wise and the radator will start to drain, open the radator ...

...up.change oil,fluid levels,spark plugs,air filter.fuel filter idle air control valve and the list goes on but make sure gas cap is on tight and drive for a couple of miles and see if it turns

...GAS CAP MAKE SURE GAS CAP IS THE PRESSURE VACUUM TYPE.ALSO CHECK VACUUM PURGE VALVE VACUUM HOSE TO CARBURETOR AND CHECK VACUUM HOSE TO CHARCOAL CANISTER FOR BLOCKAGE RESTRICTION OR BROKEN AND

...safety measures,before removing the IAC make sure you don't have any vacuum hoses unplugged. Next make sure the throttle blade closes all the way.Iac is short for idle air control valve. ------- ...

cap on what looks like a large bicycle valve. The a/c lines are aluminum, chrome looking. Look on the line and you should see it. They usually are on the left of the engine. You refill via a schroeder

...VALVE AT ON THE ENGINE yes you can add freon.there is two aluminum lines one is a high side the other is a low side unscrew the low side cap (they have symbols on them ) grey or black caps ...the ...

valve) is located in the radiator cap and is a large round disc and rubber gasket at the bottom of the cap. This disc is held in place by a heavy metal spring.The strength of spring determines the the

...safety switch on a 01 cadillac deville looks like you drop the trans pan and then the internal mode switch is on valve body, you may or may not have to pull valve body out to change it, wish I was ...

...safety switch per say. its built into a part called the mode or range switch. Its located along side of the valve body at bottom of trans. Its part 942 shown below. have to drop pan to change ...

valve and the gas cap but the check engine light keep coming on it will not stay Code 449 is for a defective vent valve solenoid. The engine computer can not open or close the valve or can not tell if