i just had it done.
it s in the middle of the motor.
up against the fire wall.
cant miss it
Freon valve on my 1989 Buick Regal Custom 3.1 V-6 located on driver side under the area of battery tray. Hope this helps!
Where is the heater control valve on a 1994 Buick Regal
Look for the port(s) on the ac lines. they work like a tire valve. Should be a round blue thing.
the pcv should be near the front valve cover
On a 1993 Buick Regal 3.1L, the PCV valve is located on the intake manifold. It is situated underneath the MAP sensor.
The PCV valve for a 1999 Regal 3.8 is located on the top of the valve cover. The valve pulls out to replace it.
the PCV valve is located on the valve cover of a 1991 Regal Custom. It is plugged in and can be easily changed.
The PCV valve on a 1994 Regal Custom should be located on top of the valve cover. It is a plug in type and is easily changed.
How to fix heater in Buick there is cool air ,fan is work .but no warm air
if you have a 3.1v6 it is between the firewall and the valve cover on the back side of the engine.
At the top of the engine near the firewall and directly behind the carburetor.
it is on the throttle body. usually held in by two screws.