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1995 GMC Yukon little heat

Tiny
DERRICK MOORE
  • MEMBER
  • 1995 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 210,000 MILES
I have very little heat I put new heater core new t stat new heater water vale and a water pump and a leak test for a head gasket pleas help
Sunday, November 30th, 2008 AT 2:08 PM

3 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
When you say little heat, you refering to heater blowing cool air or that air flow is not present?
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Sunday, November 30th, 2008 AT 4:03 PM
Tiny
DERRICK MOORE
  • MEMBER
  • 2 POSTS
When I say little heat I mean that the inside of the truck dos not get hot it just get warm it all started when the water pump was replaced so I thought that the water pump was bad so I put a gm pump on last wk the first pump was put in about 3mos ago it was not a gm pump it was from napa I think that the air flow could be bettet
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Sunday, November 30th, 2008 AT 5:42 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
How is the temp. Gauge reading? Running to normal temp? Does the control switch adjust the heat temp. Cooler and warmer or does the heat stay at the same temp?

Could be possible resistor if controls not working, or switch itself is faulty.
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Sunday, November 30th, 2008 AT 6:18 PM

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