GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Generic
🢒
1999
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Unit Repair
🢒
Transmission/Transaxle
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Manual Transmission - MM6 (F Car)
🢒 Shift Shaft and Fork Assemblies Assemble
1st/2nd, 3rd/4th Shift Rail Assembly
Tools Required
J 36850
Assembly Lube
Install the selector pin (3) on the shift shaft (4).
Line up the roll pin hole on the selector pin (4) with the roll pin hole on the shift shaft (2).
Install the roll pin (5) through the selector pin (3) and the shift shaft (1).
Install the interlocking plate (2) on the selector pin (1).
Install the shift link (1) in the 3rd/4th shift fork (2).
Install the 3rd/4th shift fork (2) on the shift shaft (1).
Align the notch on the shift link (2) with the selector roll pin (1).
Install the shift link (2) with the 1st/2nd shift fork (1).
Install the 1st/2nd shift fork (1) on the shift shaft (2).
Install the 1st/2nd shift shaft link (1) on top of the 3rd/4th shift shaft link (3) on the interlocking plate and the selector roll pin assembly (2).
5th/6th, Reverse Shift Rail Assembly
Tools Required
J 39437
Bushing Installer
Install the 5th/6th shift shaft lever bushings (1) and (3) in the 5th/6th shift lever (2) using the
J 39437
and a hammer.
Install the retainer ring (1) on the 5th/6th shift lever (2).
Install the 5th/6th shift lever (2) on the shift shaft (1).
Install the reverse shift lever (2) on the shift shaft (1).
Install the reverse lever roll pin (3).
Install the reverse collar (2).
Install the reverse collar roll pin (1).