Last post on Nov 06, 2006 at 10:29 AM
You are in the Cadillac DeVille
What is this discussion about?
Cadillac DeVille, Sedan
#119 of 165 Re: 1997 deville de elagance [jdobbs]
Jul 29, 2006 (2:01 pm)
Once the head gasket is leaking very much, nothing can be done except a new gasket. And Timezerts should also me installed when this is done. Involves pulling the motor, overdrilling all the head bolts, rethreading, and screwing in Timesert. Which is steel insert that the head bolts screw into. These will not 'pull out' or loosen and the head gaskets should never fail again. Few shops know how to do this. Many Cadillac dealers will not do it.
You should be running the 'pills' in the cooling system. These are available at Cadillac and I'm pretty sure your car has a sticker on the plastic cover over the radiator that gives the GM part number for these. About $8 for 6. Do not put them in the surge tank under the radiator cap. There is not adequate flow there to move them throughout the system. You should pull a radiator hose loose and put 3 to 6 pills in there. If you go this far, you should just pull the lower hose and drain the system, refilling with long-life antifreeze and water, 50/50 mix. The 'pill' which has ground gensen root (no lie, this is what is in it) is about the only thing that can help. It will fill and close off very minor leaks. But if the head bolts start to loosen, the head gasket is going to leak, the car will run hot, hot, hot and something major will have to be done -replace the motor or replace the gaskets (do both of them since the motor is pulled) and timeserting the head bolts.
Jul 31, 2006 (8:16 pm)
87 deville 4.1 a/c will quit running (clutch) when i cross a couple of contacts at the window electrical switch it starts running, (i`m scared) ever heard of that before? thanks
Aug 01, 2006 (2:52 pm)
I have a 1995 cadillac sedan deville, my AC does not blow, it says ac compressor off and very low refrigerant, but I have had refrigerant put in the car. My mechanic told me it was an electrical probelm, if I hold this peice down the air will blow but it's not cold, and when I let this peice go it stops blowing all together. I need to know the problem ad if possible what is the name of this piece!
#122 of 165 Electronic Digital Dash problems on 86 Caddy
Aug 16, 2006 (2:49 am)
My son bought a 1986 Cadillac Deville, mint 51000 miles.
While trying to install an aftermarket stereo ( why, I'll never know)the digital dash suddenly went out. Any ideas what happened? Where does he start? Hopefully, he isn't looking at a major repair job