oldsmobile Workshop Repair Guides

Oldsmobile Cutlass Supreme V8-307 50L Workshop Service and Repair Manuals

Crankshaft Main Bearing Seal|Service and Repair|Page 978 > < Oil Pressure Warning Lamp/Indicator|Testing and Inspection
Page 1
background image

Crankshaft Main Bearing Seal: Service and Repair

Fig. 18 Packing upper rear main bearing oil seal

Fig. 19 Trimming upper rear main bearing oil seal

    Since the braided fabric seal used on these engines can be replaced only when the crankshaft is removed, the following repair procedure is
recommended.

1.

Remove oil pan and bearing cap.

2.

Drive end of old seal gently into groove, using a suitable tool, until packed tight. This may vary between 1/4 and 3/4 inch depending on amount of
pack required.

3.

Repeat previous step for other end of seal.

4.

Measure and note amount that seal was driven up on one side. Using the old seal removed from bearing cap, cut a length of seal the amount

Crankshaft Main Bearing Seal|Service and Repair|Page 978 > < Oil Pressure Warning Lamp/Indicator|Testing and Inspection