20 Most Recent 1999 Cadillac DeVille - Page 4 Questions & Answers

A bad tensioner can cause an engine to overheat in the sense that when a bad tensioner breaks, it will cause a loss of turning movement to all the accessories of the engine including the water pump, and when the water pump stops turning, the flow of coolant will stop and the engine will start to overheat.

Yes most definitely some times when the pumps go bad they weep coolant out a little hole especially designed for that purpose

Jim, Bleeding brakes 1999 Cadillac Deville. Check the attached links,instruction and guides, Good luck "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." http://www.autozone.com/repairguides/DeVille-Eldorado-Seville-1999-2005/Anti-Lock-Brake-System/Bleeding-the-ABS-System/_/P-0996b43f80cb4368 Bleeding ABS Brake Systems How to Bleed the Master Cylinder and Brake System

Spray lube in the lock cylinder. Most likely you have to open it from the inside of the trunk and replace the lock cylinder. Remove the back seat to get in the trunk. This is the biggest problem with key FOBs. No one opens a door or trunk with the key. The cylinders corrode and lock up the pins on the inside of them.

230F is not overheating.

No should be bolt 15 mm.to remove.

Fuel pressure regulator is a good place to look. look at the extra injector that enrichens the mixture on a cold engine too.

Its the window switch. I stopped getting "clicking" action on my driver side/driver window button, so I switched it with one from a back window (meaning I couldnt roll down the back one from the driver side control anymore. This was temporary. I went to the junk yard and of 12 98/99 devilles, all of them had the switch pulled already. It is a pretty common problem I guess. New aftermarket cost around $80. All you need is a screwdriver to get at it, plug in the new one and you are fine.

the master switch is going. i had the same problem in my 99.

It sounds like the temp sensors for the cooling fan are going out.220 is above boiling

Try this to see if helps you figure this out. Try filling up the radiator with water. Start your engine with the radiator cap off look for bubbles the bigger the bubbles the worse the leak. Look for tan colored oil on the dipstick. When oil mixes with water it turn a creamy tan color.

You should not need to pump the throttle. That does not have any effect on starting the engine on a fuel injected car. How do you un-stick the throttle ?

The anti theft module is actually the body control module.It is located in the back of the rear seat back.You can access the module through the trunk.Just remove the cover that is behind the back of the rear seat and you will see all the modules. The body control module is on the right.You will see a cross brace that goes across the back of the seat back.the bcm is about the middle of the right top part of the brace.Hope this is helpful.Good luck.

State the problem.

No fuse.These seats are protected with relays and a seat module.The module is under the drivers seat.There are 3 connectors and it would be hard to check all these wires for power to the motors.First look under the seat and make sure none of the connectors came apart under the seat by something that might have been left or rolled under it.The 2 main ones you can check are the connector 2 terminal C and connector 3 terminal A.C is a black wire which is ground and A is a red wire which is the feed power wire.Connector 2 is green and 3 is black.If the ground and power wires are good then you could have a bad drivers seat module.What I would do is go to the salvage yard and find a used module to try.Good luck.

The vehicle has gone into self protection mode. There was no oil pressure (hence the light coming on). Check if the engine oil level is correct, if so, you will have to call your dealer to find the problem. Could be oil pump or maybe just a faulty oil pressure sensor.

Oil Life Monitor Resetting (KD, KE) Description The engine oil life monitor will indicate when to change the engine oil and the engine oil filter - usually between 5 000 km (3,000 miles) and 12 500 km (7,500 miles) since the last oil change. Under severe conditions, the CHANGE OIL message may be displayed before 5 000 km (3,000 miles). The vehicle must not be driven more than 12 500 km (7,500 miles) or 12 months without an oil change. The engine oil life monitor will not detect dust in the oil. If the vehicle is driven in a dusty area, be sure to change the oil every 5 000 km (3,000 miles) or sooner if the CHANGE ENGINE OIL message is displayed. Reset the oil life monitor when the oil has been changed. Resetting Procedure Press the INFORMATION SKIP button on the DIC control panel in order to display the OIL LIFE LEFT message. Press and hold the RESET NO button until the display shows 100% ENGINE OIL LIFE.

These cars had torque converter clutch solenoid failures any transmission shop should be able to diag and repair.