20 Most Recent 1997 Cadillac DeVille - Page 8 Questions & Answers

if your talking coolant put it in one of the heater hoses located a the back of fire wall passenger side

the intake manifold needs to be removed

In the fuse panel either under the hood near battery, or driver kick panel.

Did you check the opwners manual?

cooling sensors are located close to the temperature sender unit and will have a 2 wire connection

It can easily burn that much in a 100 miles without seeing any smoke.If you check the spark plugs you may find evidence.It can also leak while the engine is running and not when it is off. Most Northstar engines leak to some degree.

Check the alternator, with a multimeter, is pushing correct charge after cleaning all connections to battery and alternator. If the alternator is working properly, then your battery may be faulty, get it tested at a battery shop. The shop will test the battery under load to see where it is for crank power.

For the backfiring, there is a chemical additive process for cleaning the intake system of Northstar V-8's. This is suppose to be done at a Dealer and the solvent stays inside the engine 8 hours or more. It is rumored to be written as a service procedure in the Owners Manual. Check your battery. A shorting battery will activate the antitheft system. Try a new fuelpump Relay

Not too difficult. You may want to get a book for the details. The outer pulley comes off the shaft and there is a snap ring for the magnet. You have to shim the replacement to proper fit.

I am assuming you mean you loose power steering when the steering wheel locks up, which would be a normal event if the engine dies. Same goes for the battery light since the alternator would stop charging the battery. Someone will need to figure out if you are loosing fuel or spark when the engine dies, then troubleshoot the problem. It may be difficult to find if the mechanic can not duplicate the problem in the shop.