Problem Reports
Cadillac DeVille
Report: Excessive Engine Oil Consumption
Cadillac DeVille Problem
Model Years Affected: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
Average Mileage: 91,296 mi (34,000 mi - 170,000 mi)
Vehicles equipped with the 4.6L engine may develop excessive oil consumption. Please be advised that under optimum driving conditions, using one quart of oil every 2000 miles is acceptable. This Cadillac standard applies to vehicles with less that 50,000 miles. Our technicians tell us that if you experience excessive oil consumption it may be caused by built up on the piston rings which restricts movement, preventing them from wiping all the oil from the cylinder walls. Oil left behind is then burned during the combustion process. There is a special ring cleaning procedure which can help this situation. The GM service bulletin number is #02-06-01-009C.
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Visitor, 2001 Cadillac DeVille, 49,000 mi
I had 3 of 4 window regulators go out within a month of purchase (used). Beautiful car, but it also guzzled oil like it was going out of style. I read the posts and have done the following: every now and then I stomp it real good for a brief run to clean out the carbon. I use Chevron Techron additive every few tanks and switched from cheaper gas to Chevron (with Techron. I have no stock in Chevron, but for weeks now the car hasn't used a drop of oil (thank goodness!). Keeping an eye on it and haven't taken any real freeway trips, but around town, no oil usage. Each car may be different, but I am happier now.
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Visitor, 2000 Cadillac DeVille
Since purchase of car, engine uses large amount of oil. Must check oil stick to make sure engine has enough. This problem should have been recalled to be fixed a long time ago. Shame on Cadillac DTS 2000 model.
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options28, 2002 Cadillac DeVille, 100,000 miEnthusiast
At 100k miles my '02 is consuming 1qt every 1100 miles.
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Visitor, 2002 Cadillac DeVille, 78,000 mi
problem is not fixed. Add oil every 2000 miles or so
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Visitor, 2001 Cadillac DeVille, 50,000 mi
2 quarts every 2000 miles
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southstar99, 1999 Cadillac DeVille, 106,000 miRookie
My 99 DeVille uses about a quart every 2000 miles. Was using allot more but during a recent head gasket repair I had all the gaskets and seals changed including the oil pan, timing chain, and valve covers. I am going to look into this "ring wiper" issue.
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Visitor, 2002 Cadillac DeVille, 56,000 mi
average adding 2qts of synthetic oil a month
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Visitor, 2001 Cadillac DeVille, 78,000 mi
Burns 1 quart every 1,000 miles, but does not smoke ar leak.
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Visitor, 2001 Cadillac DeVille, 95,000 mi
3 qts. per 3000 miles.
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Visitor, 2003 Cadillac DeVille, 92,000 mi
common problem. I'm told that adding new oil between oil changes actually helps prolong engine life as the oil doesn't get as dirty as it would normally get between changes.
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