Crankshaft Rear Oil Seal and Housing Installation

Special Tools

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

For equivalent regional tools, refer to Special Tools .

Fig 1: View Of EN 46109
Courtesy of GENERAL MOTORS CORP.
1. 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.
Fig 2: Installing EN-47839
Courtesy of GENERAL MOTORS CORP.
2. Install the EN-47839:  tool with the J-42183:  handle (1, 2) onto the rear of the crankshaft flange.
Fig 3: Identifying Sealant Application Area On Crankshaft Rear Oil Seal Housing
Courtesy of GENERAL MOTORS CORP.
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: Identifying Crankshaft Rear Oil Seal Housing
Courtesy of GENERAL MOTORS CORP.
NOTE: 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
Courtesy of GENERAL MOTORS CORP.
5. Remove the EN-46109:  pin set 6 mm (0.236 in) guides from the engine block.
Fig 6: Locating Crankshaft Rear Oil Seal Housing Bolts
Courtesy of GENERAL MOTORS CORP.
6. Install the crankshaft rear oil seal housing bolts.
Fig 7: Identifying Crankshaft Rear Oil Seal Housing Bolts Tightening Sequence
Courtesy of GENERAL MOTORS CORP.
CAUTION: Refer to Fastener Caution .
7. Tighten the crankshaft rear oil seal housing bolts in sequence and tighten to 10 N.m (89 lb in).
Fig 8: View Of EN-47839 & J-42183
Courtesy of GENERAL MOTORS CORP.
8. Remove the EN-47839:  tool and J-42183:  handle (1, 2) from the crankshaft flange.