Chevrolet Silverado / GMC Sierra. Manual - part 309
Fig. 261: Identifying Six Studs & One Bolt Securing Transmission To Engine
Courtesy of GENERAL MOTORS CORP.
51. Remove the automatic transmission bolt/studs.
52. Separate the engine from the automatic transmission.
Install the J 21366 . See Special Tools.
53. Lower the vehicle.
54. Install an engine hoist to the J 41798 . See Special Tools.
55. Install a floor jack under the transmission for support.
NOTE:
Use care while moving the engine assembly in order to avoid
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2
56. Remove the engine.
57. Install the engine to an engine stand.
58. Remove the engine hoist.
Fig. 262: View Of J 41798
Courtesy of GENERAL MOTORS CORP.
59. Remove the J 41798 . See Special Tools.
breaking the MAP sensor locating tabs. Broken MAP sensor
tabs may result in decreased engine performance.
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2
Installation Procedure
Fig. 263: View Of J 41798
Courtesy of GENERAL MOTORS CORP.
1. Install the J 41798 to the engine. See Special Tools.
Tighten:
Tighten the M8 engine lift bracket bolts to 25 N.m (18 lb ft).
NOTE:
Refer to Fastener Notice .
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2
Tighten the M10 engine lift bracket bolts to 50 N.m (37 lb ft).
2. Install an engine hoist to the J 41798 . See Special Tools.
3. Remove the engine from the engine stand.
4. Install the engine to the vehicle.
5. Align the engine and transmission.
Fig. 264: View Of Engine Mount-To-Engine Mount Bracket
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2