2000 GMC Yukon COOLANT

2000 GMC YUKON
110,000 MILES • V8 • 4WD • AUTOMATIC
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REDMNOND0312
  • MEMBER
  • 1 POST
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.
Dec 15, 2009 at 9:45 PM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
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)
Dec 15, 2009 at 9:50 PM
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