Crown Victoria V8-4.6L SOHC VIN 6 (1996)
Drive Belt Tensioner: All Technical Service Bulletins
Accessory Drive Belt - Squealing Noise
Article No
96-14-8
07/01/96
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ENGINE - NOISE - "SQUEAL" NOISE COMING FROM FEAD DURING COLD START AT TEMPERATURES BELOW -7 DEGREES C (20
DEGREES F) - 4.6L VEHICLES
^
NOISE - "SQUEAL" DURING COLD START AT TEMPERATURES BELOW -7 DEGREES C (20 DEGREES F) - FEAD IDLER PULLEY
AND/OR FEAD TENSIONER ASSEMBLY - 4.6L VEHICLES
FORD:
1993-96 CROWN VICTORIA, MUSTANG, THUNDERBIRD
LINCOLN-MERCURY:
1993-96 GRAND MARQUIS, MARK VIII, TOWN CAR
This TSB article is being republished in its entirety to revise the warranty statement.
ISSUE:
A squeal" noise may come from the engine compartment in the area of the Front End Accessory Drive (FEAD) during cold start-up (after cold soak at
temperatures below -7°C (20°F)). This may be caused by the FEAD idler pulley or tensioner bearings distorting during cold ambient temperatures.
ACTION:
Replace the FEAD idler pulley and/or tensioner pulley. Refer to the following Service Procedure for diagnostic and replacement procedures
SERVICE PROCEDURE
1.
Using a technician's stethoscope, check for noise at the idler pulley and tensioner pulley bearings.
2.
Remove the FEAD belt and restart the engine. With the engine idling, check to see if the noise is still present. If the noise is not present, proceed to
Step 3.
3.
If the idler pulley bearing was the source of the noise, replace the pulley with a new Pulley (F6AZ-8678-BA) and new Idler Pulley Fastener
(N807599-S2). If the tensioner pulley was the source of the noise, replace the tensioner pulley with a new Pulley (F6AZ-8678-BA). Refer to the
appropriate model/year Service Manual, Section 03-05, for removal and installation procedures.
PART NUMBER
PART NAME
F6AZ-8678-BA
Idler Pulley And Tensioner Pulley
N807599-S2
Idler Pulley Fastener
OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 96-10-11
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage
OPERATION
DESCRIPTION
TIME
961408A
Replace Tensioner
0.6 Hr.
DEALER CODING
CONDITION
BASIC PART NO.
CODE
6B209
56
OASIS CODES: 497000, 702100
