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1998 Pontiac Grand Prix

Tiny
LEGITMAMI
  • MEMBER
  • 1998 PONTIAC GRAND PRIX
Heater problem
1998 Pontiac Grand Prix

it had a dual heating system. Driver and passenger, The passenger heats fine but the driver blows cold air?
Tuesday, February 16th, 2010 AT 5:15 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Most likely a blend door. This is a door or plate that electrically moves to divert air (hot/cold) to vents.

You will have to remove a portion of dash to replace.

But I would start by checking fuses first.
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Thursday, February 18th, 2010 AT 6:52 AM

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