GM Service Manual Online
For 1990-2009 cars only

Problem

Action

The shift linkage is improperly adjusted.

Adjust the shift linkage.

The shift fork pads or groves in the sliding gear are worn excessively.

Overhaul the transmission.

The taper is worn on the clutch gear teeth.

Overhaul the transmission.

The transmission is out of alignment.

Align the transmission.

The shift rod poppet springs are broken.

Overhaul the transmission.

The shift rod poppet springs are worn.

Overhaul the transmission.

The shift rod is bent or out of line.

Overhaul the transmission.

The shift pad fork pads are not square with the shift rod bore.

Overhaul the transmission.

There is excessive end play in the drive gear, mainshaft, or countershaft.

Overhaul the transmission.

The thrust washers or faces are worn excessively or missing.

Overhaul the transmission.