heater core

1994 PONTIAC GRAND AM
16,000 MILES • 6 CYL • AWD • AUTOMATIC
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RTBARNES
  • MEMBER
  • 1 POST
by pass heater core 1993 grand am
Feb 17, 2011 at 9:25 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
You can route the heater hose supply line to the return line fitting on the engine block.

I have done that on other vehicles not yours. That is not the proper fix, if the heater core is leaking?
Feb 17, 2011 at 9:54 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Just so you understand, I'm talking about taking supply line loose from heater core, routing back to return fitting.
Feb 17, 2011 at 9:56 AM
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