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Sedans Cadillac DeVille Cadillac DeVille
2506 messages, Last post on Sep 27, 2009 at 12:50 AM
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Replying to: ladymylady (Aug 21, 2007 6:10 am)  If your oil indicator is coming on when the engine is running, that may mean that the oil pressure is low. The oil life message is displayed in the driver information center. This indicates how much life is left, and you have used about 1/8 of the total life, so you can go about 6-7,000 more miles. However, if the oil pressure is low, your engine is probably near death.
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Replying to: sls002 (Aug 21, 2007 7:03 am) The message is a constant on in the information center from the moment I turn the car on. So I hope it is only informing me of the life of the oil..although my other caddy had nothing like that. Some posts here have spoken of the need to top up oil before it's time for a change and I was wondering if that's what it meant...a need to top up...but the stick was still on full. How would you find out if the oil pressure is still good? what would I ask the mechanic to do? Thanks for the help. |
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Replying to: ladymylady (Aug 21, 2007 7:18 am)
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Replying to: 04cad (Aug 21, 2007 9:58 am) You don't have a problem. The main thing is, you need to get your dash to display something other than your oil usage percent. You need to have an owner's manual to read so you will know how to do this. And there is all kind of other stuff in the owner's manual. When you get it, you should read it end to end at least once. Many, many, many of the questions asked on forums like this can be answered by reading a vehicle's owner manual. |
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Replying to: ladymylady (Aug 21, 2007 7:18 am) My 98 Oldsmobile Aurora (with a small northstar engine) had a trip computer/information display that could display the oil pressure. Unfortunately Cadillac's information display does not.
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At what temperature should my car start yelling at me? I've been told that the Northstars are all over the map on coolant temps and I'm just not used to a guage jumping all over like this does. Still, people keep saying "oh, it's normal, they're just like that" But when should I start to freak and pull over? Will the car warn me before I ruin the head gasket or warp anything?
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Replying to: xeperx (Aug 23, 2007 3:03 pm) The car has a 197deg thermostat. In cooler weather, with the temp control set to Normal, it should maintain about 197 to 205 or so. The hotter the outside weather gets, the more it will struggle to maintain this level. Stop and go 100deg weather, I could see it hitting 230deg. Now here is the funny thing about Caddies. If you put the temp control to Econ (or you have AC problems and the computer will not let the AC run and will default to Econ, the computer will let the motor temp go up all the way to about 220deg before it turns the electric cooling fans on! How about that??? Otherwise, with AC on, the fans will run constantly at low speed and at about 205 it will kick them up to full speed. A Caddy will actually run cooler with the AC on rather than off! Ok, the other thing. If you load the engine, and this can be done with high speed driving or driving up a steep hill, and the temp in Caddy start to climb fast and overheats, you probably have the dreaded Northstar blown headgasket problem! You might have other problem - bad thermostat, the belt that drive water pump is slipping, radiator stopped up, etc, etc, but a Caddy that can be driven around at low speeds with no problem, but will overheat at speed or on hills - headgasket becomes a very possible reason.
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Replying to: bolivar (Aug 23, 2007 6:38 pm) What exactly, if anything, would need replacing along side the repair?
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Replying to: xeperx (Aug 24, 2007 6:06 am) My experience with my Seville was that the coolant temperature always ran at the center point (200 F), but in very hot (100 F) weather climbing a grade the temperature indicator might warm to 210F. My Aurora was different, with no radiator grill, it would run 220F on warm days in stop and go traffic. If the A/C compressor is running, then the cooling fans are on to cool the refrigerent, which will keep the engine coolant temperature down too. My SRX, not in the mountains, stayed right at the center mark even in 105F weather this summer. The interior stayed cool too, with the rear A/C fan running on a medium (2) speed. My SRX does have heavy duty cooling (perhaps extra fans?).
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Replying to: sls002 (Aug 24, 2007 7:19 am) Is this a heap of BS or is the guy telling the truth?
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