Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2007HHR L4-2.4LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINFLEX PLATESERVICE AND REPAIR
2007 Chevrolet HHR L4-2.4L
Flex Plate: Service and Repair
2007 Chevrolet HHR L4-2.4LSECTION Service and Repair
Engine Flywheel Replacement
Tools Required
* J 38122-A Crankshaft Balancer Holder
* J 45059 Angle Meter
Removal Procedure
1. If equipped with a automatic transaxle, remove the transaxle.
2. If equipped with a manual transaxle, remove the clutch.
3. Using the J 38122-A, hold the crankshaft balancer.
Important: It may be necessary to remove the chamfer (bevel) from the edge of an 18 mm socket in order to get full engagement on the thin-headed flywheel bolts.
4. Remove and discard the automatic transaxle flywheel bolts, if equipped.
Important: Do not orientate the flywheel to the crankshaft. It is balanced separately from the engine.
5. Remove the automatic transaxle flywheel, if equipped.
Important: It may be necessary to remove the chamfer (bevel) from the edge of an 18 mm socket in order to get full engagement on the thin-headed flywheel bolts.
6. Remove and discard the manual transaxle flywheel bolts, if equipped.
Important: Do not orientate the flywheel to the crankshaft. It is balanced separately from the engine.
7. Remove the manual transaxle flywheel, if equipped.
8. Clean the thread adhesive from the flywheel bolt holes. Use a nylon bristle brush to clean the holes in the crankshaft.
Installation Procedure
1. Install the manual transaxle flywheel, if equipped.
Notice: Refer to Fastener Notice.
2. Install the NEW manual transaxle flywheel bolts, if equipped.
Tighten the bolts to 53 N.m (39 lb ft) plus an additional 25 degrees using the J 45059.
3. Install the automatic transaxle flywheel, if equipped.
4. Install the NEW automatic transaxle flywheel bolts, if equipped.
Tighten the bolts to 53 N.m (39 lb ft) plus an additional 25 degrees using the J 45059.
5. Remove the J 38122-A.
6. If equipped with a manual transaxle, install the clutch.
7. If equipped with a automatic transaxle, install the transaxle.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.