2500 4x4 Pickup V8-360 5.9L VIN 5 Magnum (1994)
Fan Clutch: Customer Interest
Cooling System - Overheats/High Coolant Temperature
NO: 07-05-97
GROUP: Cooling
DATE: Nov. 14, 1997
SUBJECT:
High Coolant Temperatures Or Overheating With Snowplow Attached
MODELS:
1994 - 1997 (BR) Ram Truck
NOTE:
THIS BULLETIN APPLIES TO 5.9L 4X4 VEHICLES BUILT PRIOR TO APRIL 25, 1997 (0425XX) WITH SNOWPLOW PREP SALES CODE
AHD.
SYMPTOM/CONDITION:
Engine overheats or exhibits high coolant temperatures during highway operation with a snowplow blade attached to the vehicle.
NOTE:
THIS CONDITION CAN ALSO OCCUR ON VEHICLES THAT HAVE BEEN FITTED WITH SNOWPLOWS WITHOUT SNOWPLOW PREP
PACKAGE AHD.
DISCUSSION:
If a customer describes the above condition, perform the Repair Procedure.
PARTS REQUIRED:
1
5202S837AA
Fan Drive, Viscous
REPAIR PROCEDURE:
This bulletin involves replacing the viscous fan drive with an improved part for snowplow applications.
NOTE:
INSTALLATION OF THE IMPROVED VISCOUS FAN DRIVE WILL CAUSE THE ENGINE COOLING FAN TO OPERATE MORE OFTEN.
1.
Replace the fan drive with p/n 52028837AA. Follow the applicable procedures in the service manual for the vehicle you are working on.
2.
After installing the new fan drive, start the engine and operate it at 2000 rpm for 2 minutes to pump fluid into the new drive assembly.
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No:
07-20-15-96
0.5 Hrs.
FAILURE CODE:
P8 - New Part
