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2000 GMC Yukon COOLANT

Tiny
REDMNOND0312
  • MEMBER
  • 2000 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 110,000 MILES
I am loosing a lot of coolant out of radiator, conducted block test came out negative, solution was still blue, so what shall I do, checked oil stick nothing but oil on stick with normal color.
Tuesday, December 15th, 2009 AT 9:45 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

you will need to have a cooling system pressure test done, do this hot with the heater on, this will locate any external coolant leak, and have the pressure cap tested as well.

Mark (mhpautos)
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Tuesday, December 15th, 2009 AT 9:50 PM

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