The PCV valve is the plastic plug on your engine block on the same side as your oil intake on top of the engine block. Easily accessable. Simply pull it out. Most oil change locations will replace it for you for $53 but much cheaper to do it yourself and only take 2 minutes.
back of right head
Under top engine cover that says 32 valve Northstar between both cylinder heads. Good luck
Premium is recommended for the ETC models
Depending what make it is; Deville has a 4.9 (V8). Deville Concours 4.6 (V8)Northstar engine. Eldorado has the 4.6 (V8) Northstar engine. Fleetwood 5.7 (V8) Seville 4.6 (V8) Northstar engine.
Assuming its a Northstar engine--under the intake manifold --cant be seen until disassembly The starter on my 1994 ElDorado is located underneath the intake manifold.
if you have the northstar engine it is located in the center of the block. you must remove completely the intake manifold to access it. if you have a4.9 it is under the left side near the a/c compressor
I believe the starter motor sits in the galley under the intake manifold.
Cadillac Northstar is a a type of motor car engine produced by the American compant Cadillac. Northstar engines can be found in Cadillac garages and via online websites.
on top of the engine, remove the plastic covering that houses the spark plug wires.
The sensor is located near the front of the engine
the starter will be found under the intake if the engine is a northstar.
In a housing that attaches to the water pump at the rear of the engine. Follow the top radiator hose down to the water outlet on the engine. The stat is in the water outlet. AT THE END OF THE UPPER RADIATOR HOSE ( ENGINE END)