Service manual
181 CID (3.0L) 4 CYLINDER GM ENGINE
SERVICE MANUAL NUMBER 26
90-861329--1 MARCH 1999 Page 3A-43
Rear Main Oil Seal
The rear crankshaft oil seal can be replaced without removing the oil pan or rear main
bearing cap from engine.
Removal
1. Remove seal by using a screwdriver to pry it out of retainer as shown.
72355
c
a
b
a-Rear Seal
b-Seal Retainer
c-Slots (Three)
Cleaning and Inspection
1. Clean crankshaft/seal running surface and seal retainer.
2. Clean gasket material from mating surfaces.
3. Inspect oil seal retainer for cracks or scored surface.
4. Inspect oil seal for worn, dry or torn rubber. Replace if necessary (refer to “Rear Main
Oil Seal” as outlined).
5. Inspect alignment pin for damage; replace if necessary.
IMPORTANT: Correct rotation oil seal must be used to prevent oil leak.
Installation
1. Apply Quicksilver Perfect Seal to seal retainer mating surface. Apply grease to seal lips.
2. Install seal using rear main seal installer.
72356
a
a-Rear Main Seal Installer (J-26817-A)
Index