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1994 Chevrolet S10 Pickup Front Timing Case Cover & Front Seal Removal & Installation

1994 Chevrolet S10 Pickup



1. Disconnect negative battery cable. Remove P/S reservoir from radiator shroud. Remove upper fan shroud. Remove serpentine belt.

2. Remove generator with brackets and lay aside. Using Hub Puller (J-24420-B), remove crankshaft pulley hub. Remove oil pan. See OIL PAN. Remove front timing case cover bolts, and cover.

3. Using large screwdriver, remove crankshaft front seal. DO NOT distort timing gear cover during seal removal.


1. Lubricate seal lips with engine oil. Using Seal Installer (J-35468), install front cover oil seal into front cover and leave installer in position. Apply a 3/8" wide by 5/16 thick bead of RTV sealer to oil pan sealing surface and front cover sealing surface. Apply RTV sealant to crankshaft pulley hub keyway.

2. Install crankcase cover with seal installer in place to front of engine. Install and tighten front cover bolts to specification. See TORQUE SPECIFICATIONS. Position crankshaft pulley hub onto crankshaft.

3. Install crankshaft pulley hub using Hub Installer (J-29113), ensuring at least .24" (6.1 mm) of installer bolt thread is engaged into end of crankshaft.

4. To complete installation, reverse removal procedure. Tighten nuts and bolts to specification. See Fig. 6 . See TORQUE SPECIFICATIONS. Download File PDF

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