Fulltext TSBs

Technical Service Bulletins

TSB
96-21-13
  • NOISE – “CLICKING” AND “GRINDING” DURING 4X4 ENGAGEMENT
  • NOISE – “CLICKING” WHILE DRIVING STRAIGHT OR DURING LEFT HAND TURN – 4X2
  • AXLE – “CLICKING” AND “GRINDING” NOISE DURING 4X4 ENGAGEMENT
  • AXLE – NON-ENGAGEMENT OF FRONT AXLE
Publication Date: OCTOBER 7, 1996

LIGHT TRUCK:
1997 F-150

ISSUE:

Non-engagement of the front axle (4X4), “clicking” and “grinding” heard during 4X4 engagement, and/or “clicking” heard while driving straight or in a LH turn in 4X2 engagement may occur on some vehicles. This may be caused by axial thrust loads on the shift fork assembly.

ACTION:

Confirm customer concern and install Front Drive Axle Repair Kit (F75Z-3N139-KT). The kit contains a gear tooth configuration that reduces axial thrust loads on the shift fork. Refer to Instruction Sheet I.S. 7163 included with the repair kit for service procedure details.

The Front Drive Axle Repair Kit (F75Z-3N139-KT) contains the following items:

  • One (1) O-Ring Seal – Shift Lever Shaft
  • One (1) Retainer – Roll Pin
  • One (1) Fork Assembly – Front Axle Drive Clutch
  • One (1) Gear – Coupler Shift Selector
  • One (1) Snap Ring – Front Axle Shaft Retainer
  • One (1) Gear – Front Axle Clutch
  • One (1) Instruction Sheet (I.S. 7163)

PART NUMBERPART NAME
F75Z-3N139-KTFront Drive Axle Repair Kit

OTHER APPLICABLE ARTICLES:

NONE

WARRANTY STATUS:

Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATIONDESCRIPTIONTIME
962113AInstall Front Drive Axle Repair Kit2.2 Hrs.

DEALER CODING

BASIC PART NO.CONDITION CODE
3K14736

OASIS CODES:

509000, 702100