Installation Procedure

Install the switch to the transmission manual shaft by aligning the switch hub flats with the manual shaft flats.

Fig 1: Installing Switch To Transmission Manual Shaft
Courtesy of GENERAL MOTORS CORP.
Slide the switch onto the transmission manual shaft until the switch mounting bracket contacts the mounting bosses on the transmission.
Important: If a new switch is being installed, the switch will come with a positive assurance bracket. The positive assurance bracket aligns the new switch in it proper position for installation and the use of neutral position adjustment tool will not be necessary.
Install the switch to the transmission with two bolts finger tight.
Position the tool J 41364-A onto the park/neutral position switch. Ensure that the two slots on the switch where the manual shaft is inserted are lined up with the lower two tabs on the tool.

Fig 2: Positioning Tool J 41364-A Onto Park/Neutral Position Switch
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Rotate the tool until the upper locator pin on the tool is lined up with the slot on the top of the switch.
Tighten

Tighten the bolts securing the switch to 25 N.m (18 lb ft).
Remove the J 41364-A from the switch. If installing a new switch, remove the positive assurance bracket at this time.
Connect the electrical connectors to the switch.
Install the transmission control lever to the manual shaft with the nut.
Tighten

Tighten the control lever nut to 25 N.m (18 lb ft).

Fig 3: Installing Transmission Control Lever To Manual Shaft
Courtesy of GENERAL MOTORS CORP.
Lower the vehicle.
Check the switch for proper operation. The engine must start in the P (Park) or N (Neutral) positions only. If proper operation of the switch can not be obtained, replace the switch.