1998 GMC C2500 Repair Question
Topics covered: Door, Blend door, Vents.
Mileage: 21,000 miles.
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?
Asked by Racerx7533Answer
Replied on July 23, 2011
Check and test the air blend door/actuator
Replied on July 23, 2011
Is it coming out the defrost instead?
Replied on July 24, 2011
Yes it's coming out of the defrost also!
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.
