Bonneville V6-231 3.8L VIN 3 SFI (1988)
Air Duct: All Technical Service Bulletins
A/C - Insufficient Heat on Driver's Side
Bulletin Number:
88-1-13
Reference Number:
811207
Publish Date:
4/88
Subject:
DRIVER'S SIDE INSUFFICIENT HEAT
Models
Affected:
1987-88 BONNEVILLE
Some 1987-88 Bonnevilles may experience insufficient heat on driver's side. This condition may be a result of an imbalanced delivery of hot air through
the floor heater distribution duct. To repair this condition follow the procedure below to remove the floor heater distribution duct and replace it with a
new heater duct, P/N 25533710.
1.
Remove a wing nut and four screws to lower close out panel.
2.
Pull down close out panel.
3.
Remove two screws holding ALDL connector and heater distribution duct in place.
4.
Remove heater duct.
5.
Replace with heater duct, P/N 25533710.
6.
Reverse steps 1-4.
For warranty purposes use the appropriate labor operation.