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Posted on Aug 23, 2017

1998 Cadillac Deville Northstar engine...when I bought the blower motor was bad...we fixed that... the mechanic said we need an oil pan gasket...but we have no leaks kinda smell something like oil burning...but never anything on the ground. Also, can I drive this car out of town about 800miles? Can I use a stop leak just in case? If so, what's the absolute best kind to use?

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Mshamba

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  • Contributor 22 Answers
  • Posted on Sep 08, 2017
Mshamba
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Joined: Jul 26, 2010
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Keep checking the oil every time you gas up and you will be able to estimate how much oil it uses/100 miles or so. Then you can plan your trip. If the oil gets too low a warning will show up. That engine has about 7 quarts in the pan. As long as you don't run the engine low on oil the leak is just waste.

5 Related Answers

Anonymous

  • 1201 Answers
  • Posted on Mar 24, 2009

SOURCE: 1999 Cadillac Deville 4.6 northstar blown hesd gasket

If your just replacing the head gasket, you don't have to remove the motor. Just remove the top part of the engine.

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emissionwiz

Marvin

  • 85242 Answers
  • Posted on Mar 28, 2009

SOURCE: replacing a radiator in cadillac deville northstar 1997

a drain pan, a hose release tool, flare nut wrenches and simple hand tools, such as a set of wrenches (sae and metric) and sockets with a variety of extensions. it would be helpful to have both 1/4" and 3/8 inch drive sockets and ratchet's

Thomas F. Schneider

  • 2715 Answers
  • Posted on May 06, 2009

SOURCE: 99 Cadillac Deville Coolant Leak

Most likely a cracked block or free plug that came out or loose. Other options are hozes, which I believe the dealer would have fixed. A third option is the water pump itself. 

emissionwiz

Marvin

  • 85242 Answers
  • Posted on May 09, 2009

SOURCE: 1997 cadillac deville water pump

it is on the front of the engine see photo
0648479.jpg

Anonymous

  • 322 Answers
  • Posted on Jul 08, 2009

SOURCE: I have a coolant leak on my 1994 Cadillac Deville.

Yes this models tend to do that, check the coolant mixture after repair, yes is a diy proyect but you at least will have basic mechanic abilities to perform this, make sure you mark all the hoses and cables when dismantling.

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I have a 1998 Cadillac Deville with a northstar engine. I am having an issue with overheating and water not being taken into my radiator. I was told when i first bought it that it had a blown head gas

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Oil leak

Northstar engine, that's about right. They do take about 8 quarts.
The most common place they leak at is at the oil filter housing that attaches to the block of the engine.
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