Question about 1998 Cadillac DeVille

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Do not know what type oil to put in engine, oil change?

Need to change oil in a 1998 deville but do not know what type to put back in it?

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SAE 5W-30 (Preferred)

7.1 Liters (7.5 Quarts)

Posted on May 27, 2009

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1 Answer

Where is the oil pump located on a 1998 Cadillac deville


Most oil pumps are inside the oil pan. They are bolted onto the bottom of the engine and hang just above the bottom of the oil pan.

Oct 25, 2014 | 1998 Cadillac DeVille

3 Answers

What does the red oil light mean on 1998 deville. also car has oil in it. stop engine now light came on too. Why ?


If your oil light is on, it means that the control module thinks there is no oil pressure. It could be a bad oil pressure sending unit, or it could be that the oil pump is out and that the engine is actually not getting oil. The engine would need to have a mechanical gauge put on to find out if it does have pressure.

Oct 25, 2014 | 1998 Cadillac DeVille

1 Answer

I own a 1998 deville that has 120,328 miles of which 664.6 are my driven miles. I was told when I purchased that it had a small oil leak. I got an oil change about 6 weeks +/- a week, after which i noticed...


Hello: There isn't any temporary repair. It is a major task to seal the oil leak, the engine has a two piece oil pan. To remove the oil pan either the transmission or engine has to be removed to accomplish the task.

Aug 25, 2011 | 1998 Cadillac DeVille

1 Answer

How do i reset the change oil light after the oil and filter has been changed on my 1998 cadillac deville?


Try this procedure;

1. Turn the ignition key to the "On" position, but do not start the engine.

2. Press the "INFO" button until "ENGINE OIL LIFE" is displayed.

3. Then press and hold the "INFO RESET" button until "100" is displayed.

4. Turn the ignition key to the "Off" position.

5. Start the vehicle and confirm that the oil life has been re-set.

Let me know if this procedure did not work, or if you require any further assistance.

Nov 23, 2010 | 1998 Cadillac DeVille

2 Answers

I have a Cdillac Deville 98 northstar. Getting an Error message - Engine overjeat, Change Engine oil, Check Coolant level and later I get Idle engine message I changed engine oil and coolant recently -1500...


Whatever you do, NEVER allow this engine to overheat and always use the correct antifreeze (DEX COOL) or you will damage your heads severly. The heads were made from aluminum so there is a very serious warping issue on the 1998 Cadillac Northstar engines. There should have been a recall but wasnt, ended up costing me 3 thousand USD to fix the engine problems I had but she now runs fine. I only had the car 4 months before this happened so someone prior to me owning evidentaly let it overheat on too many occassions and I had no choice but to fix cause I was still paying on the car!! Good luck

Jul 12, 2010 | 1998 Cadillac DeVille

1 Answer

1998 DeVille: what happens if I put 10w-40 oil in a 1998 cadilla...


I believe that 10w30 is recommended for the vehicle, but 10w-40 is a good substitute if 10w30 is not available.

Probably nothing bad will happen, but if the Driver Information System shows low oil pressure, revert back to the recommended viscosity.

May 17, 2010 | 1998 Cadillac DeVille

1 Answer

JUST PUT NEW OIL IN IT AND IT DOESNT WANT TO START I DONT KNOW WHY AND I WANT TO KNOW THE MILEAGE TO THE GALLON IN THE CITY AND HIGHWAY


engine oil is different to transmission oil . your engine oil should be sae 40 . dont use gear oil for it is for transmission.

Jul 16, 2009 | 1998 Cadillac DeVille

1 Answer

2003cadillac deville uses to much oil


Regular Oil Changes with the recommended oil type for your car and area are a must or seals will get weak and oil will leak!

You may have a leak!

Do you change your oil regularly?

Even if you haven't put on the miles, you should change your oil every 3 to 6 months to keep the seals renewed.

If you haven't changed your oil on schedule, do so immediately!
Also check for any oil leaks around gaskets, filter, and oil plug.

Get back to me with answers to above so I can assist further.

jackiaria

Feb 27, 2009 | 2000 Cadillac DeVille

1 Answer

How to change starter in my 1998 cadillac deville


Take off the plastic cover with the Cadillac emblem that sits on top of the engine. Take out the intake manifold to get to the starter engine. Put in the starter replacement and when reassembling the manifold use new gaskets. Put back the cover on top of the manifold. It's a rather simple job, but be sure to use new gaskets and do not over tighten. I would also suggest that you get the Haynes manual for this car (notice I said Haynes, the other type manuals that are not from the factory are ****!).

Good luck

Jan 14, 2009 | 1998 Cadillac DeVille

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