Radiator Fan/Fan Blade Clutch - Revised Replacement
File In Section: 6 - EngineBulletin No.: 66-62-O8
Date: June, 1996
SERVICE MANUAL UPDATE
Subject:
Section 6B - Cooling and Radiator - Revised Radiator Fan and Blade Clutch Replacement
Models:
1996 Chevrolet and GMC C/K Models
with 4.3L, 5.0L, 5.7L Engines (VINs W, M, R - RPOs L35, L30, L31)
This bulletin revises the radiator fan and fan blade clutch replacement procedure. The revised procedure includes the torque to apply to the fan and clutch bolts when using the J tool to install the fan and clutch assembly onto the water pump stud.
Tools Required:
J 41240 Fan Clutch Wrench
Remove or Disconnect (Figure 1)
Caution:
To help avoid personal injury or damage to the vehicle, a bent, cracked or damaged fan blade or housing should always be replaced.
1. Upper fan shroud. Refer to "Fan Shroud Replacement" in this section.
2. Drive belt. Refer to "Drive Belt Replacement" in this section.
3. Fan and clutch using J 41240.
4. Fan blade from clutch.
Caution:
Do not use or repair a damaged fan assembly. An unbalanced fan assembly could fly apart and cause personal injury and/or property damage. Replace damaged assemblies with new assemblies.
Install or Connect (Figure 1)
1. Fan blade to clutch.
Tighten
Tighten bolts to 23 N.m (17 lb ft)
2. Fan and clutch using J 41240.
Tighten
Tighten fan clutch nut to 56 N.m (41 lb ft)
3. Drive belt.
4. Upper fan shroud.