1999 GMC Yukon

1999 GMC YUKON
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AVALAC88
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  • 1 POST
Engine Cooling problem
1999 GMC Yukon

Name of the part where hose's from the radiator connect to pump or vacum other end hoes's go threw the fire wall what part is the one 4 connectors for heating system.
May 18, 2010 at 9:51 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
the radiator hoses connect to the water pump and the vacuum hose for the heater connects to what is called a vacuum block or router.
May 26, 2010 at 9:38 AM
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