Chevrolet Cobalt Service & Repair Manual: Crankshaft Damper R&R
Removal
| 1. |
Raise and support vehicle. |
| 2. |
Remove front tire and wheel assembly. |
| 3. |
Remove front fender liner. |
| 4. |
Turn drive belt tensioner clockwise. |
| 5. |
Remove serpentine drive belt. |
| 6. |
Prevent crankshaft from rotating by
install harmonic balancer holder tool No. J38122A, or equivalent. |
| 7. |
Remove mounting bolt and crankshaft
balancer. Discard bolt. |
| 8. |
Reverse procedure to install. |
|
1.
Rotate the crankshaft to a position
where the connecting rod bolts are the most accessible, Fig.
1.
2.
Mark the connecting rod an ...
Method A
1.
Measure the crankshaft bearing journal
diameter with a micrometer in several places, 90 degrees apart.
Average the measurements.
...
See also:
Chevrolet Cobalt Service & Repair Manual. Engine Leak Inspection
A visual inspection must always
be performed to confirm the presence of aftermarket components, potential
collision damage, or areas of concern.
Before moving the vehicle inspect
underneath for signs of oil on the ground to aid in identifying the leaks
location.
...
Connecting Rod R&R
Crankshaft Main Bearing Clearance Measure