Manual:HUMMER Hummer H3 Base 2010Page:20412 / 37523



Reverse/5th Gear Synchronizer — 2010 Hummer H3 Base, Automatic Service Manual

Reverse/5th Gear Synchronizer

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Installing 5th/Reverse Synchronizer Sleeve On 5th Countershaft Gear
    GM1526805Courtesy of GENERAL MOTORS CORP.
  1. Install the 5th/reverse synchronizer sleeve (254) onto the 5th countershaft gear with the chamfer side of the teeth up.
    2. Fig 2: Installing 5th Gear Synchronizer Inserts Into 5th Countershaft Gear
    GM1526807Courtesy 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.
    3. Fig 3: Installing 5th Gear Synchronizer Spring
    GM1526809Courtesy 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.
    4. Fig 4: Installing 5th/Reverse Synchronizer Spring
    GM1526812Courtesy 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).
    5. Fig 5: Installing Retaining Ring Onto 5th Countershaft Gear
    GM1526815Courtesy of GENERAL MOTORS CORP.
  5. Compress the 5th/reverse synchronizer spring (249) and install the retaining ring (256) onto the 5th countershaft gear (450).