Preliminary ProceduresRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Drain the transmission, refill when repair is completed.Refer toTransmission Fluid Drain and Fill.Remove the radiator air lower baffle and deflector assembly.Refer toRadiator Air Lower Baffle and Deflector Replacement.Remove the front transmission mount and bracket. Refer toTransmission Front Mount Replacement.Remove the control valve body cover. Refer toControl Valve Body Cover Replacement.Perform the service programming system procedure. Refer toService Programming System (SPS). | |
1 | Input Speed Sensor-(ISS) Wire Harness Procedure Attach theDT-47734tetherto the ISS electrical connector locking tab before removalof old ISS to assist in installation of the new ISS. Special Tools DT-47734Speed Sensor Harness Tether |
2 | Input Speed Sensor Bolt M6 x 25 Caution:Refer toFastener Caution. Procedure Apply threadlocker GM-P/N-12345382(Canadian-P/N-10953489) or equivalent to theinput speed sensor bolt. Tighten9-Y(80-lb-in) |
3 | Input Speed Sensor Tip:After an internal transmission repair or internal partreplacement the service programming system procedure should beperformed. |
4 | Input Speed Sensor Seal |
Diesel Particulate Filter
The engine is equipped with a
Diesel Particulate Filter (DPF) that,
by design, will filter or trap
particulates. The DPF is under the
vehicle in the exhaust system.
Depending on a number of factors
monitored by the engine computer,
the DPF will need to be cleaned of
accumulated solids. Whe ...