F 350 4WD Pickup V8-6.9L DSL (1983)
Fan Clutch: Technical Service Bulletins
Cooling Fan Clutch - Loose/Rattles
Article No. 91-21-9
10/16/91
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FAN CLUTCH - "LOOSE/RATTLES" - REVISED TORQUE SPECIFICATIONS - 6.9L AND 7.3L DIESEL
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NOISE - "RATTLE" - FAN CLUTCH ASSEMBLY REVISED TORQUE SPECIFICATIONS - 6.9L AND 7.3L DIESEL
LIGHT TRUCK:
1983-92 F-250, F-350
1988-92 ECONOLINE, F-47, F-59
ISSUE:
Fan clutch assemblies may loosen when the bolts are not tightened to the recommended specifications.
ACTION:
Specified torques must be applied when installing a fan clutch assembly. Refer to the following Chart for NEW proper torque specifications.
NEW TOROUE
OLD TORQUE
113-153 N-m (83-113 lb.ft)
54-163 N-m (40-120 lb.ft.)
PART NUMBER
PART NAME
CLASS
E9TZ-8A616-A
Fan Clutch Assembly (1983-92
B
F-Series, 1983-91 Econoline)
F2UZ-8A6l6-C
Fan Clutch Assembly (1992
B
Econoline)
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES:
402000, 497000
