C 2500 Truck 2WD V8-5.7L VIN R (1997)
Control Assembly: All Technical Service Bulletins
A/C - Control Knob Spins Freely
File In Section: 1 - HVAC
Bulletin No.: 76-11-01
Date: October, 1997
Subject:
HVAC Control Knob Spins Freely
(Replace all Three Knobs)
Models:
1996-97 Chevrolet and GMC M/L and G Vans
1995-97 Chevrolet and GMC C/K Trucks
Condition
Some customers may report that one or more HVAC Control Knobs spin freely, resulting in loss of fan, temperature and/or mode operation.
Cause
The knob's plastic inner shaft may crack when forced against its stop.
Correction
If any one of the three HVAC control knobs exhibits this condition, replace all three knobs with new P/N 16268157.
Parts Information
P/N
Description
Qty
16268157
Knob, HVAC Control
3
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Op
Description
Labor Time
D0100
Knobs, Control Assy,
0.2 hr
Replace
