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Heater Hose to middle body heater unit leaks.

Tiny
RHS1960
  • MEMBER
  • 2003 CHEVROLET ASTRO
  • 4.3L
  • V6
  • AWD
  • AUTOMATIC
  • 175,000 MILES
The metal lines to the mid body heating unit are rusty and leaking. I would like to replace the 6 outlet heater control valve with a four (and keep the rear heater working) or a two and just use the front heater. Can this be done and where is the heater valve hiding?
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Friday, September 25th, 2015 AT 9:36 AM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
What makes you think you even have a heater valve?

You likely do not.
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Friday, September 25th, 2015 AT 9:47 AM
Tiny
RHS1960
  • MEMBER
  • 2 POSTS
Isn't that what this part is;

Part Number: 2941-07026428

Notes: Heater Valve -- With 4-Port Hose Connection
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Friday, September 25th, 2015 AT 10:26 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
I have no idea what that part number is but your truck did not come with a valve like that, at least not in the US.
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Friday, September 25th, 2015 AT 10:55 AM

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