Brakes - Premature Wear/High Pedal Effort on F 350 4WD Pickup V8-73L DSL
Technical Service Bulletin # 892515
Date: 891213
Brakes (Front) - Premature Wear/High Pedal Effort
Article No. 89-25-15
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BRAKES - FRONT - PREMATURE LINING WEAR
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BRAKES - REAR HEIGHT SENSING PROPORTIONING VALVE ADJUSTMENT
Figure 1
LIGHT TRUCK:
1988-89 F SUPER DUTY
ISSUE
High brake pedal efforts or increased front
brake lining wear may be caused by the height sensing proportioning valve. Front brake sensitivity on extended wheel base trucks may also
be encountered.
ACTION:
Inspect the truck to determine if standard suspension or modified suspension is present. Also see if the height sensing proportioning valve
and linkage are present, Figure 1. Use one of the following methods to correct the condition:
NOTE: A SPECIAL INDEXING TOOL, (T90T-2588-A) WAS SENT TO YOUR DEALERSHIP IN THE MONTH OF NOVEMBER, 1989. THIS
TOOL IS REQUIRED TO PERFORM STEP 6 OF PROCEDURE "C".
