Crankshaft Rear Oil Seal and Housing Installation

Tools Required

• EN 46109  Guide Pin Set
• EN-47839 Crankshaft Rear Oil Seal Installation Tool
• J-42183 Handle

Fig 1: View Of EN 46109
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1. Install the 6 mm (0.236 in) guides from the EN 46109  into the 2 crankshaft rear oil seal housing corner bolt holes of the engine block.
Fig 2: Installing EN-47839
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2. Install the EN-47839 with the J-42183 (1, 2) onto the rear of the crankshaft flange.
Fig 3: Identifying Sealant Application Area On Crankshaft Rear Oil Seal Housing
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3. Place a 3 mm (0.118 in) bead of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, to the NEW crankshaft rear oil seal housing as shown (1).
Fig 4: Installing Crankshaft Rear Oil Seal Housing
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IMPORTANT: DO NOT allow any engine oil on the area where the crankshaft rear oil seal housing is to be installed.
4. Install the crankshaft rear oil seal housing to the engine block.
Fig 5: View Of EN 46109
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5. Remove the EN 46109  6 mm (0.236 in) guides from the engine block.
Fig 6: Locating Crankshaft Rear Oil Seal Housing Bolts
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NOTE: Refer to Fastener Notice in Cautions and Notices.
6. Install the crankshaft rear oil seal housing bolts.

   Tighten:  Tighten the crankshaft rear oil seal housing bolts to 10 N.m (89 lb in).

Fig 7: View Of EN-47839 & J-42183
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7. Remove the EN-47839 and J-42183 (1, 2) from the crankshaft flange.