Single Use Fasteners and Components
WARNING: This page is about a different variant/trim than selected.
Flywheel Bolt [8x]
 Courtesy of GENERAL MOTORS COMPANY
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NOTE:
Callouts items in the following chart represent components shown in graphic above.
| Callout |
Component Name |
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Preliminary Procedure
- To prevent crankshaft rotation, install EN-51760
holding tool and starter motor bolts at the starter motor location, engaging the flywheel.
- Install EN-51701-1
aligner to the front secondary mass component of the flywheel.
- Evaluate the flywheel condition prior to removal from the engine. Refer to Dual Mass Flywheel Mounted Inspection in Flywheel Cleaning and Inspection .
Special Tools
- EN-51701
Flywheel Aligner and Holder
- EN-51760
Flywheel Holding Tool
Equivalent regional tools: Special Tools |
| 1 |
Engine Flywheel Bolt [8x] Procedure
- As necessary, rotate the front secondary mass component of the flywheel using EN-51701-1 aligner and a breaker bar to align the holes in the secondary mass with the flywheel bolts in the primary mass.
- Remove and discard the engine flywheel bolts.
- Install EN-51701-2
holder through the secondary mass into the primary mass to lock the flywheel in alignment.
Special Tools
EN-51701
Flywheel Aligner and Holder
Equivalent regional tools: Special Tools |
| 2 |
Engine Flywheel Procedure
- Remove the flywheel.
- If flywheel is suitable for re-installation, leave EN-51701
aligner and holder installed to flywheel for ease of install.
- If flywheel is not suitable for re-installation, remove EN-51701
aligner and holder and discard the flywheel.
- Remove EN-51760
holding tool from the starter mount.
Special Tools
- EN-51701
Flywheel Aligner and Holder
- EN-51760
Flywheel Holding Tool
Equivalent regional tools: Special Tools |