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