Quote:
Originally Posted by MASTERBrian
Wondering if one or more actuators failed was a concern and part of my initial trouble shooting, but like you say unless they all failed it wouldn't explain no cold air. I also was wondering about the head unit, but again wouldn't explain why no cold I the rear because I do believe the front controls and actuators are totally separate from the rear unit. Correct me if I'm wrong.
|
There are separate actuators in the back too. Had a case where up front was nice and cool, but the rear was throwing hot air. On the plus side, the actuators are very easy to change back there, but I also had to replace the brain controller unit too. Still cheaper than the dealer but that was a little spendy to get.
But at 174k now, truck has a nice HVAC system with a few replacement parts.
Rear Actuators are the same: 89018375 ACDelco (x2)
Rear Controller: 15-73506 ACDelco
__________________
- Jeff
89' K5 Blazer, 2.5" lift, 35" tires
04' GMC Yukon XL, 3/4 ton, 8.1L