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Cadillac DeVille

2506 messages,  Last post on Sep 27, 2009 at 12:50 AM

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What is this discussion about? Cadillac DeVille, Sedan

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#2460 of 2506 Re: 2001 DeVille Body [bolivar] by sls002 Apr 08, 2008 (6:13 am)
Replying to: bolivar (Apr 07, 2008 9:11 am) Until the bumper is taken apart the extent of the damage is not known. Usually the insurance company will require more than one estimate, or may have their adjuster do the esitmate. The plastic part that is cracked will probably need to be replaced and this part is probably expensive. If it is repairable, then the cost should be less, but $1500 is not a lot for body damage these days.
#2461 of 2506 Re: 2001 DeVille Body [mopaji] by sls002 Apr 08, 2008 (6:18 am)
Replying to: mopaji (Apr 05, 2008 10:16 am) I should have responded to your post. The damage to the DeVille is probably real. However your question is valid as to whether the Civic caused it or if it was already there from some previous impact. How hard was the "bump"?
#2462 of 2506 Problem starting 1997 DeVille in morning by railer Apr 25, 2008 (6:07 am)
Hello, I'm new to this forum and new to Cadillac's. I recently purchased a used 1997 Cadillac DeVille. I have a problem starting my 1997 Cadillac DeVille (mileage approx 100,000) in the morning when the engine is cold and morning temperatures are around 50 degrees. (I don't have a problem starting the vehicle in the evening when outside temperatures are above 70 degrees.) Once started, the vehicle runs fine. The problem is getting it started. I took the vehicle to a local repair shop and they said no problems showed up on the computer. They indicated that pressure is lost overnight in the fuel line and they suggested replacing the fuel pump and fuel filter and clean injectors for $1100. Has anyone had similar problems? Will their recommended solutions solve my problem? By the way, this sounds a little expensive! Thanks in advance for all responses! Replies to this message: bolivar (Apr 26, 2008 1:42 am)
#2463 of 2506 Re: Problem starting 1997 DeVille in morning [railer] by bolivar Apr 26, 2008 (1:42 am)
Replying to: railer (Apr 25, 2008 6:07 am) It could be a leaking Fuel Pressure Regulator (FPR).   Are you somewhat 'handy' around the motor? It's pretty easy to check for a leak. The FPR is about $60, and can be replaced easily also.
#2464 of 2506 98 Deville Northstar octane additive by pagar May 08, 2008 (11:39 am)
This is first time I'm on this forum. I inherited 98 deville northstar with 45,000 miles. Gas is killing me...17 mpg ave. What about regular gas and octane additive? I don't want to ruin the car. Like new. Should I even attempt it or just be safe and use high test??? Replies to this message: bremertong (Jun 03, 2008 9:46 pm) bremertong (Jun 03, 2008 9:51 pm) bolivar (Jun 03, 2008 11:03 pm)
#2465 of 2506 Re: 98 Deville Northstar octane additive [pagar] by bremertong Jun 03, 2008 (9:46 pm)
Replying to: pagar (May 08, 2008 11:39 am) I also owned a 1998 Deville from 2001 to 2004. My 98 Deville got an average of about 20 MPG in the city and 27 on the highway. Think your car may need some fine tuning. If you have a dealership you trust take the car in for your next oil change and bring this up to the service department, suspect they can put the car on computer diagnostic system and find out why your fuel economy is below average for your car.
#2466 of 2506 Re: 98 Deville Northstar octane additive [pagar] by bremertong Jun 03, 2008 (9:51 pm)
Replying to: pagar (May 08, 2008 11:39 am) Forgot to mention that i have used STP fuel injector cleaner fluid on my 1998 Deville. Never had any problems with the Northstar system using this product but can't say for sure that it helped. The cost is around 90 cents per container. The folks at STP claim that it helps fuel economy and keeps fuel injectors clean.
#2467 of 2506 Re: 98 Deville Northstar octane additive [pagar] by bolivar Jun 03, 2008 (11:03 pm)
Replying to: pagar (May 08, 2008 11:39 am) A lot depends on how agressive you drive, or the conditions you drive. If you have an easy foot on the gas, I think you can drop to mid-grade without any problems. You could probably drop to regular, and will hear some pinging, but still have no problems.   But, it you accelerate quickly, or drive in mountainous roads, you may need to keep premium gas in to. When the motor is under heavy load is when premium is needed to eliminate pinging.   I think if you drop the grade, your milage will probably also drop.   And I agree, the 20mph should be what you can get with a mix of in-town and highway driving, and with constant highway driving, you should be able to get 25mgp or better. On premium.
#2468 of 2506 How to disable airbags - 1998 Cadillac Sedan deVille D'Elegance by efugate Jun 28, 2008 (6:03 pm)
How do you disable side impact airbags in a 1998 Cadillac Sedan deVille D'Elegance safely? We had a collison in which the driver's door was damaged and we are currently attempting to change the driver's door?
#2469 of 2506 Additives to fuel stystem by onelord Jun 30, 2008 (8:28 pm)
I have a 03 deville with 66000 miles on it. Im getting 21mpg on the highway and 19 in the city. I was wondering if I should add something to the fuel in hopes of cleaning the fuel injectors. Is this wise to do? Replies to this message: bremertong (Jun 30, 2008 10:19 pm) bolivar (Jul 01, 2008 11:10 pm)

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