Fulltext TSBs

Technical Service Bulletins

TSB
99-3-2
  • TRANSMISSION – M5OD – VEHICLE WILL NOT GO INTO REVERSE – VEHICLES BUILT THROUGH 11/1/1998
Publication Date: FEBRUARY 11, 1999

LIGHT TRUCK:
1997-1999 F-150, F-250 LD

ISSUE:

Some vehicles may experience a no reverse gear condition. This may be due to breakage of the reverse gear.

ACTION:

Install a revised countershaft reverse gear and revised reverse idler gear. The new gears are more robust and should reduce the possibility of breakage of the reverse gear. Refer to the following Service Procedure for details.

SERVICE PROCEDURE

  1. Remove the transmission from the vehicle. Refer to Section 308-03 of the appropriate model year Workshop Manual for the detailed removal procedure.
  2. Remove the reverse idler gear (-7141-) and countershaft reverse gear (-7N040-). Refer to Steps 1 through 14 of the Disassembly Procedure in Section 308-03 of the Workshop Manual for the detailed service procedure.
  3. Install new Countershaft Reverse Gear (-7N040-) and new Reverse Idler Gear (-7141-). Refer to Steps 30 through 49 of the Assembly Procedure in Section 308-03 of the Workshop Manual for the detailed service procedure.
  4. Install the transmission into the vehicle. Refer to Section 308-03 of the Workshop Manual for the detailed installation procedure.

PART NUMBERPART NAME
XL3Z-7N040-AACountershaft Reverse Gear
XL3Z-7141-AAReverse Idler Gear

OTHER APPLICABLE ARTICLES:

NONE

WARRANTY STATUS:

Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATIONDESCRIPTIONTIME
990302AInstall New Transmission Gears3.6 Hrs.

DEALER CODING

BASIC PART NO.CONDITION CODE
714101

OASIS CODES:

505000, 505200, 506000