Accessory Drive Belt - Comes Off Pulleys

Article No.
97-4-8

02/17/97

ACCESSORY DRIVE BELTS - FEAD BELT COMES OFF - VEHICLES WITH 4.9L ENGINE

LIGHT TRUCK:
1987-96 ECONOLINE, F-150-350 SERIES

ISSUE:
The Front End Accessory Drive (FEAD) belt may come off on some vehicles equipped with a 4.9L engine. This may be caused by minor pulley misalignment and FEAD belt vibrations.

ACTION:
Replace the idler pulley with a revised idler pulley which should reduce belt vibration and misalignment by shortening the span between the belt and pulley. Refer to the following text for details.

Install the Idler Service Kit (F6PZ-6K007-AA) per Instruction Sheet 7172, included in the kit.

PART NUMBER PART NAME

F6PZ-6K007-AA Idler Service Kit

OTHER APPLICABLE ARTICLES: 93-25-3, 94-1-10, 94-10-19, 95-13-5

WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATION DESCRIPTION TIME

970408A Install Idler Pulley Kit - 0.5 Hr.
Econoline

970408B Install Idler Pulley Kit - 0.3 Hr.
F-Series

DEALER CODING
CONDITION
BASIC PART NO. CODE
8678 11

OASIS CODES: 499000