Heater problems

GARY HUNT

MEMBER
1998 GMC SONOMA
2.2L
4 CYL
2WD
MANUAL
140,000 MILES

Heater works on defrost and bi level does not work on floor goes to defrost even in heat position.

Tuesday, August 8th, 2017 AT 4:17 PM

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
48,363 POSTS

Hello,

It sound like you have a blend door actuator that has gone out. Here is a guide to help you get ht problem fixed.

https://www.2carpros.com/articles/replace-blend-door-motor

Please let us know what happens.

Cheers, Ken

Please login or register to post a reply.

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