2004 Hummer H2 Engine cooling disapearing

Tiny
CHRISDEL
  • MEMBER
  • 2004 HUMMER H2
  • V8
  • AWD
  • AUTOMATIC
  • 80,000 MILES
Anti freeze resevior drops down a bit now and then, had to add maybe 2 pints in the last month and a half. No external leaks to be found, Truck runs fine.
Tuesday, March 9th, 2010 AT 1:17 PM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Try looking down around the right and left sides of the front of the engine, see if there is pink dexcool residue. Most often the water pump leaks at the block mating seals, this can be slow enough that it is able to crystallize and not be readily noticed as an external leak.
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Tuesday, March 9th, 2010 AT 10:18 PM

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