Question about 2008 Cadillac STS

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Coolant leaking on my 2008 cadillac sts - 2008 Cadillac STS

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  • JEM Nov 27, 2014

    Hi Mark Burdette, I want to help you with your question, but I need more information from you. Can you please add details in the comment box? You say ON your car... I suspect you mean IN. Where is it leaking from? Can you see where at all?

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  • 19 Answers

1. Look for where it is leaking from.
2. If the leak is not visible or is very slow try a radiator stop leak fluid.
3. Otherwise replace seal, hose, or whatever is leaking.

Posted on Nov 27, 2014

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SOURCE: my 2000 cadillac sts sunroof leaks on the

Chances are its the seals or rust. Check the top and see if it has any gaps... It may just be able to be repaired with a bead of caulk

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SOURCE: leaking power steering fluid in a 2005 cadillac

i just had one in the shop last wed, replaced the high pressure power steering hose. but it can also leak from the pump, the return line , or the steering gear, you will have to have it looked at to be certain

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SOURCE: 1993 cadillac sts has a coolant problem with no

What is the problem? Overheats? 4.6 or 4.9?

Posted on Apr 07, 2010

Kravcar
  • 192 Answers

SOURCE: I Have a 1997 cadillac sts over heating problem

The most common overheating problem with the Northstar engine is a blocked purge line(small hose).The purge line is designed to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank (not the cap) ,this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.
If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.
The hose goes in to the engine to a crossover and comes out the other side close to the thermostat housing,the blockage may be there.

Posted on Jul 02, 2010

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