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Resources for the Repair and Maintenance of your 1999 Cadillac DeVille

1999 Cadillac DeVille

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1999 Cadillac DeVille Problems

Miscellaneous -- Verified

One or more of the power window regulators (one in each door) may fail causing the window to fall into the door and not roll up.

Engine -- Verified

The engine may develop oil leaks from the lower crankcase portion of the engine block. Our technicians tell us that the engine must be removed from the vehicle to properly repair this oil leak.

Heating & Air Conditioning -- Verified

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

Drive Train -- Verified

The torque converter clutch (TTC) may stop working due to an internal transmission failure. The Check Engine Light will illuminate if this occurs. Our technicians tell us the transmission will require dis-assembly to correct this concern.

Engine -- Verified

The crankshaft position sensor may fail causing the engine to stall intermittently, the Check Engine Light may or may not illuminate.

1999 Cadillac DeVille Recalls (Recent)

Body, Interior & Misc., June 1, 2001

RepairPal Expert Overview:

Cadillac has recalled 1998-1999 DeVille vehicles because the side impact air bag sensors may be faulty. This could result in unintended deployment of the side impact air bags, which may injure passengers. Dealers will replace both side impact sensing modules.

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1999 Cadillac DeVille Questions and Answers

Bob Duncan, 1999 Cadillac DeVille, Evansville, IN

Since cold weather the transmission selector lever is very stiff to operate. Is there a linkage that can be lubricated or is the problem in the transmission?

1999cadillac, 1999 Cadillac DeVille, Tampa, FL

My car is blowing cold air on the passenger side and warm air on the driver side. This is with the temp set on 60 degrees and reguardless of the outside temp. Can this be a problem with the auto pr...

bfinch, 1999 Cadillac DeVille, Sigourney, IA

i do not get any power to the fuel pump all fuses and relays are good and i also get a service anti theft carm may not start what do i do to fix this

jsthre00, 1999 Cadillac DeVille, Bertram, TX

Replaced front and rear brake pads and rotors. Now it seems to have air in lines. When I push on the brake pedal it seems to have no pressure on it until it gets about half way to floor. Not sure w...

Car Problems_1, 1999 Cadillac DeVille, Washington, DC

If I ask someone for a jump or use my jump starter the car works fine, but once I let the car sit it won't start and needs to be jumped again. That's only if my jump starter has enough ju...

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1999 Cadillac DeVille Reviews

I have a 99 cadillac deville that keeps getting hot even after changing the thermostat, water pump, fan relays(because fan wasnt coming on)and still it overheats. Any suggestions?

Need help with my husbands 99' Cadillac De Ville. He put too much weight on the back tires and now they have a "buzz sound" and don't drive straight. Our Haynes Repair Manual doesn't shows what kind of bushing he needs for the rear tire (right side). The Williamson Cadillac in Miami, send "lots of nuts" (will not solve the problem).

i have a 1999 Cadillac De Ville,its been a great care.bought it from auto action.ran good for abt 5 months then it ran hot, these cars have a problem with the head gasket bolts that cause it to leak and run hot.i put liquid copper in it abt 8.00.i know they say dont put stop leak in it but it works.stop the leak stopped it from running hot.and the check engine light went back off,and it runs good.but you might have to repeat the step abt once a year.just started having a different problem.now when i turn my car off sometimes the ac/heater blower is still on blowing inside the car,it goes back off when i put the key in and turn the switch.

I have a 1999 Cadillac Deville with the North Star Engine. I am having problems with over heating. I have replaced thermostat, water pump, radiator, and it still runs hot. I really runs hot when I run my A/C. If someone has the same problem, please tell me what you did to fix it.

I bought this car used. A Cadillac has/had always been my dream car.
Sadly, this one has been a nightmare. It has literally been one problem after another. I didn't even get it home from the dealer before the service engine light came on. It has been in the shop more than any car I have ever drove.
I should have found a Toyota and took my chances with it taking off and not stopping.

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