Fulltext TSBs

Technical Service Bulletins

TSB
96-14-21
  • FEAD – “MOAN/WHINE” COMING FROM FRONT OF ENGINE AT IDLE – VEHICLES BUILT FROM 6/95 THROUGH 6/96 WITH 4.9L ENGINE
  • NOISE – “MOAN/WHINE” COMING FROM FRONT OF ENGINE AT IDLE – VEHICLES BUILT FROM 6/95 THROUGH 6/96 WITH 4.9L ENGINE
Publication Date: JULY 1, 1996

LIGHT TRUCK:
1996 F-150-350 SERIES

ISSUE:

A “moan/whine” noise may be coming from the front of the engine at an idle. This may be caused by the tensioner pulley belt surface being rough.

ACTION:

Replace the tensioner pulley with a new pulley which has an improved surface finish which should reduce the possibility of noise. Refer to the following Service Procedure for details.

SERVICE PROCEDURE

  1. Verify the concern while the engine is idling. The noise will be most noticeable at idle. The noise can be significantly reduced by either increasing engine speed or by adjusting belt tension. Belt tension can be adjusted by rotating the tensioner with a ratchet in a clockwise direction.
  2. If the noise has been confirmed as coming from the tensioner, replace the tensioner with a revised Tensioner (F4TZ-6B209-AA). Refer to the 1996 F-150 Powertrain/Drivetrain Service Manual, Section 03-05 for removal and installation procedures.
  3. Verify the repair.

PART NUMBERPART NAME
F4TZ-6B209-AATensioner Pulley

OTHER APPLICABLE ARTICLES:

NONE

WARRANTY STATUS:

Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATIONDESCRIPTIONTIME
961421AReplace Tensioner Assembly0.3 Hr.

DEALER CODING

BASIC PART NO.CONDITION CODE
6B20956

OASIS CODES:

497000, 499000, 702000, 702100


Copyright © 1996 Ford Motor Company