Chevrolet Cobalt Service & Repair Manual: Crankshaft Seal R&R

Chevrolet Cobalt Service & Repair Manual / Engine Service / Crankshaft Seal 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. Remove front oil seal using suitable flat bladed tool.
9. Reverse procedure to install, using camshaft front main seal installer tool No. J35268A, or equivalent.
    Crankshaft Rear Oil Seal R&R
    Removal 1. Remove transaxle. 2. Remove flywheel or flexplate. 3. Remove crankshaft rear oil seal using suit ...

    Cylinder Head Overhaul
    It is usually recommended to send head to machine shop for complete overhaul. Cylinder head must be cool before removing it from engine. Cylinder head warpage can result if ...

    See also:

    Chevrolet Cobalt Service & Repair Manual. Noise, Diagnosis
    A visual inspection must always be performed to confirm the presence of aftermarket components, potential collision damage, or areas of concern. A noise produced by a vibration can be diagnosed in the same manner as a vibration. A noise produced by wind, leaks, or ...

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