Over heating

Tiny
RDRAWZ
  • MEMBER
  • 1997 CADILLAC ELDORADO
  • V8
  • FWD
  • AUTOMATIC
  • 151,000 MILES
1997 Cadillac only overheats when going up hill, long hills like over the Rockies, why? It never overheats around town, basically flat surfaces.
Tuesday, December 14th, 2010 AT 4:47 PM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Are the cooling fans on when it overheats, or do they come on with A/C request? If the cooling fans are operational, I would recommend a block test for combustion gases in the cooling system.
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Wednesday, December 15th, 2010 AT 5:05 AM

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