1998 Cadillac DeVille Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1998 Cadillac DeVille
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1998 Cadillac DeVille ProblemsElectrical Level Ride System May Fail
The electronic level ride system may not work properly; this may result in the rear of the vehicle riding too high or too low. Our technicians tell us that a height sensor or exhaust valve failure are common issues with this system. Proper diagnoses will be necessary to confirm the exact fault.
The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.
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.
1998 Cadillac DeVille QuestionsKey will turn over bit doesn't start (1 answer)
Bought a new battery,and alternator and now the system anti theft light comes on but not sure if that is even the issue..it makes a clicking sound when I turn the key but does not start
This is a limo version
The interior lights won't turn off and the dash board light are out ( speedo and all others ) . It looks like it has small oil leak ( not sure from where )
1998 Cadillac DeVille RecallsCadillac Recalls 1998-1999 DeVilles Due to Unintended Deployment of Side Impact Air Bag
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.
Cadillac has recalled 1998 DeVille vehicles because the hinge pivot bolts may not have been heat treated properly and may fail. In the event of an accident, the hood may push back through the windshield glass, which may injure the occupants. Dealers will replace the hood hinge pivot bolts.
Cadillac has recalled 1998 Devillle and Eldorado vehicles because the purge evaporate emissions wiring harness was improperly routed. This could interfere with the speed control and throttle linkage, and may cause the throttle to stay open. Dealers will inspect the harness for proper routing and then install a tie strap to the harness.