All 1992 Buick Roadmaster questions

locating heater control valve on 1992 Buick roadmaster?

at, speed runs well, just during idle, oilpressure drops, engine idles rough and stalls.

6-8 X during a 40 mile trip.

When driving 40 miles at night it happened 8-10 times yesterday.

The car will was starting with the old battery (after a jump) but after we got a new battery, sta...

part fell out causing brakes to fail what part could be missing?

would like to see a diagram on brake system for rear

my car is ruuning fine but it idles up and down until the oil pressure gauge goes down to 0 and t...

Where is the relay located for the automatic head lamp?

I have a 1992 buick roadmaster and when i start the car my head lights automatic come on and shut...

leaks when air and heat is running

I just replaced my fuse which was bad for the heater & the temp gage started to work for a wh...

i wanted to see if anyone knew why the car ac unit display does a 30 second countdown, and someti...

replaced the fuel pump, fuel filter, fuel relay and fuses. What could be wrong?

what does it mean when the engine jerks when i go over 45