Shift Modulator: Service and Repair

Vacuum Diaphragm Assembly

Note: This procedure was taken from the Disassembly and Assembly articles of the A4LD Automatic Transmission. For additional information to access this assembly refer to the Disassembly and Assembly procedures. Service and Repair

Removal






Use a 10mm socket to remove one (M6 x 12mm) screw and retainer.

Remove the vacuum diaphragm assembly and throttle valve actuator rod.






Verify that the throttle valve moves freely using flat external snap ring pliers. Then remove the valve with the pliers.

Installation






NOTE: All 4 x 4 and 4.0L applications will use a studded bolt (M6 x 1.0). Tighten stud to 12-16 N-m (106-142 in-lb), screw to 9-12 N-m (80-106 in-lb).

CAUTION: Make sure the valve moves freely in the bore.

Install throttle valve, actuating rod, vacuum diaphragm and retaining clamp. Hold in position by tightening M6 x 12mm screw with a 10mm wrench.