GM Service Manual Online
For 1990-2009 cars only

Object Number: 1223728  Size: SH

Measure the clearance between synchronizer sleeve and shift fork and if the clearance exceeds the limit, replace the shift fork.

Specifications:

    • The standard clearance between the sleeve and shift fork is 0.2-0.6 mm (0.008-0.024 in).
    • The clearance limit between the sleeve and shift fork is 1.0 mm (0.039 in).