FixVault

Differential Shim Selection

Special Tool(s)

GFD57789Courtesy of FORD MOTOR COMPANY
Shim Gauge, Differential/Transfer Gear Bearing 307-591 (includes 307-591/1, 307-591/2 and 307-591/3)

  1. 1.

GFD57790Courtesy of FORD MOTOR COMPANY

  1. 2.

    Special Tool(s): Shim Gauge, Differential/Transfer Gear Bearing 307-591 (307-591/1 and 307-591/2)
GFD57791Courtesy of FORD MOTOR COMPANY

  1. 3.

    Special Tool(s): Shim Gauge, Differential/Transfer Gear Bearing 307-591/3 (studs)
GFD57792Courtesy of FORD MOTOR COMPANY

  1. 4.

    NOTE: Make sure that the silicone has been cleaned off the machined surface of the transmission case and the torque converter housing before installing the Differential/Transfer Gear Bearing Shim Gauge 307-591/3 (4 spacers) or the preload measurement may be inaccurate.

    Special Tool(s): Shim Gauge, Differential/Transfer Gear Bearing 307-591/3 (4 spacers)

GFD57793Courtesy of FORD MOTOR COMPANY

  1. 5.

GFD57794Courtesy of FORD MOTOR COMPANY

  1. 6.

    Special Tools(s): Shim Gauge, Differential/Transfer Gear Bearing 307-591/3 (remaining 4 spacers, bolts and washers)
    • Tighten to 24 Nm (18 lb-ft).
GFD57795Courtesy of FORD MOTOR COMPANY

  1. 7.

    Special Tools(s): Shim Gauge, Differential/Transfer Gear Bearing 307-591/3 (4 nuts and washers)
    • Tighten to 24 Nm (18 lb-ft).
GFD57796Courtesy of FORD MOTOR COMPANY

  1. 8.

    Rotate the transfer shaft and the differential several times to seat the bearing cups.
GFD57797Courtesy of FORD MOTOR COMPANY

  1. 9.

    Measure and record the smallest and largest preload gap on the Shim Gauge, Differential/Transfer Gear Bearing 307-591/1. Average the 2 measurements to get the thickness of the differential bearing preload shim. For additional information, refer to Specifications  for the differential bearing preload shim part number. General Equipment: Feeler Gauge.
GFD57798Courtesy of FORD MOTOR COMPANY

  1. 10.

    Measure and record the smallest and largest preload gap on Shim Gauge, Differential/Transfer Gear Bearing 307-591/2. Average the 2 measurements to get the thickness of the transfer shaft bearing preload shim. For additional information, refer to Specifications  for the transfer gear bearing preload shim part number. General Equipment: Feeler Gauge.
GFD57799Courtesy of FORD MOTOR COMPANY

  1. 11.

    Special Tool(s): Shim Gauge, Differential/Transfer Gear Bearing 307-591/3 (4 nuts, bolts and spacers and 8 washers)
GFD57800Courtesy of FORD MOTOR COMPANY

  1. 12.

    Special Tool(s): Shim Gauge, Differential/Transfer Gear Bearing 307-591/3 (4 spacers)
GFD57793Courtesy of FORD MOTOR COMPANY

  1. 13.

    Special Tool(s): Shim Gauge, Differential/Transfer Gear Bearing 307-591/3 (4 studs)
GFD57792Courtesy of FORD MOTOR COMPANY

  1. 14.

    Special Tool(s): Shim Gauge, Differential/Transfer Gear Bearing 307-591/1 and 307-591/2
GFD57791Courtesy of FORD MOTOR COMPANY

  1. 15.

GFD57790Courtesy of FORD MOTOR COMPANY

  1. 16.

    Assemble the torque converter housing. For additional information, refer to Torque Converter Housing .