- Inspect for an obstruction in both of the defroster nozzles.
Perform the following steps, as necessary:
• | Remove any foreign objects. |
• | Repair any loose instrument panel pad that blocks an outlet. |
- Inspect for the proper operation of the defroster air valve.
- Inspect for one of the following conditions.
Replace the defroster vacuum actuator or hose if one of the following
conditions exist:
• | A faulty defroster air valve vacuum actuator |
• | A faulty defroster air valve vacuum hose |
- Inspect for insufficient heating.
Refer to
Heating Insufficient
.