K 2500 Suburban 4WD V8-454 7.4L (1994)
Control Assembly: All Technical Service Bulletins
Manual Temp Control Lever - Slips From Hot To Cold
Group Ref.: HVAC
Bulletin No.: 461101
Date: May, 1994
SUBJECT:
MANUAL TEMPERATURE CONTROL LEVER SLIPS FROM HOT TO COLD
(INSTALL E RING)
MODELS:
1988-94 CHEVROLET AND GMC TRUCK C/K TRUCKS
1990-94 CHEVROLET AND GMC TRUCK TOPKICK/KODIAK AND P6, B7 CHASSIS MODELS WITHOUT AIR CONDITIONING (C60)
CONDITION:
Some owners may comment that the temperature control lever slips from hot to cold, usually when blower motor is on high speed.
CAUSE:
Too much vertical movement at the lever arm pivot shaft (Figure 1).
CORRECTION: