Crankshaft Rear Oil Seal and Housing Installation (LF4)

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Fig 1: Identifying Crankshaft Rear Oil Seal And Housing Installation Components With Bolt Tightening Sequence (LF4)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Crankshaft Rear Oil Seal Housing Procedure Install the 6 mm (0.236 in) guides from the EN-46109 pin set into the 2 crankshaft rear oil seal housing corner bolt holes of the engine block. Install the EN-47839 tool with the EN-42183 handle onto the rear of the crankshaft flange. Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant Place a 3 mm (0.118 in) bead of RTV sealant to the NEW crankshaft rear oil seal housing as shown. Adhesives, Fluids, Lubricants, and Sealers (LF4) NOTE: DO NOT allow any engine oil on the area where the crankshaft rear oil seal housing is to be installed. Install a NEW crankshaft rear oil seal housing to the engine block. Remove the EN-46109 pin set 6 mm (0.236 in) guides from the engine block. Install the crankshaft rear oil seal housing bolts and tighten in sequence. Remove the EN-47839 tool and EN-42183 handle from the crankshaft flange. Special Tools EN-42183 Handle EN-46109 Guide Pin Set EN-47839 Crankshaft Rear Oil Seal Installation Tool Equivalent regional tools: Special Tools (LF4) .
2	Crankshaft Rear Oil Seal Housing Bolt CAUTION: Refer to Fastener Caution . Tighten in sequence 10 N.m (89 lb in)

Callout

Component Name

Crankshaft Rear Oil Seal Housing

Procedure

Install the 6 mm (0.236 in) guides from the EN-46109 pin set into the 2 crankshaft rear oil seal housing corner bolt holes of the engine block.
Install the EN-47839 tool with the EN-42183 handle onto the rear of the crankshaft flange.
Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
Place a 3 mm (0.118 in) bead of RTV sealant to the NEW crankshaft rear oil seal housing as shown. Adhesives, Fluids, Lubricants, and Sealers (LF4)
NOTE:
DO NOT allow any engine oil on the area where the crankshaft rear oil seal housing is to be installed.
Install a NEW crankshaft rear oil seal housing to the engine block.
Remove the EN-46109 pin set 6 mm (0.236 in) guides from the engine block.
Install the crankshaft rear oil seal housing bolts and tighten in sequence.
Remove the EN-47839 tool and EN-42183 handle from the crankshaft flange.

Special Tools

Equivalent regional tools: Special Tools (LF4) .

Crankshaft Rear Oil Seal Housing Bolt

CAUTION:

Tighten in sequence
10 N.m (89 lb in)