Subject: | Inconsistent Airflow From Side Defrost Vent When Compared Left to Right |
Models: | 2004-2007 Chevrolet Colorado |
2004-2007 GMC Canyon |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Some customers may comment that air flow from the left IP defrost vent may have more/less air flow that the right defrost vent. This may be due to that length the HVAC duct traveling from left to right across the IP compartment.
This is normal operation. Compare operation to a like vehicle.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.