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2003 Cadillac CTS oil cooler

Tiny
CJSTEELE
  • MEMBER
  • 2003 CADILLAC CTS
2003 Cadillac CTS 6 cyl Two Wheel Drive Automatic

How do you replace an oil cooler on the 03 cts? Is there a way to make sure that it's bad and not the head gasket?
Friday, September 10th, 2010 AT 3:50 PM

3 Replies

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
What is your symptom, oil in the cooling system?
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Tuesday, September 14th, 2010 AT 12:33 AM
Tiny
CJSTEELE
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Yes.
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Tuesday, September 14th, 2010 AT 4:24 AM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
The oil cooler is in the valley, under the upper and lower intakes. About the only way I would know of testing, is to block one side, and apply compressed air to the other with it submerged in water, and check for bubbles.
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Tuesday, September 14th, 2010 AT 11:34 PM

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