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1998 GMC C2500 Repair Question


Topics covered: Door, Blend door, Vents.
Mileage: 21,000 miles.

Asked on July 23, 2011

Air condition

1998 GMC Sierra. Air condition fan sounds like the fan is running strong but not bowing hard out of the vents?
Avatar Asked by Racerx7533

Answer

Replied on July 23, 2011

Check and test the air blend door/actuator

Tiny Answered by rasmataz
68 questions asked
Replied on July 23, 2011

Is it coming out the defrost instead?

Tiny Answered by Wrenchtech (expert)
14,708 answers provided
Replied on July 24, 2011

Yes it's coming out of the defrost also!

Tiny Response from Racerx7533
1 question asked

Replied on July 24, 2011

That means you're having a problem with the mode door actuator mechanism. It's located on the left end of the HVAC housing. Check it while the system is running. It could just be stuck or bound up.

http://i1198.photobucket.com/albums/aa448/Wrenchtech/78936869.gif

Tiny Answered by Wrenchtech (expert)
14,708 answers provided