Hummer H3. Manual — part 1516

Fig. 190: Installing 5th Gear Synchronizer Inserts Into 5th Countershaft Gear
Courtesy of GENERAL MOTORS CORP.

2. Install the 5th gear synchronizer inserts (247) into the 5th countershaft gear (450) with the

tab down, into the wide slot.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 191: Installing 5th Gear Synchronizer Spring
Courtesy of GENERAL MOTORS CORP.

3. Install the 5th gear synchronizer spring (248) between the inserts, with the locating tabs in

the opening between the inserts.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 192: Installing 5th/Reverse Synchronizer Spring
Courtesy of GENERAL MOTORS CORP.

4. Install the 5th/reverse synchronizer spring (249) retaining clips down, into the wide holes in

the 5th countershaft gear (450).

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 193: Installing Retaining Ring Onto 5th Countershaft Gear
Courtesy of GENERAL MOTORS CORP.

5. Compress the 5th/reverse synchronizer spring (249) and install the retaining ring (256) onto

the 5th countershaft gear (450).

3rd/4th Gear Synchronizer

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3