Crankshaft Rear Oil Seal Installation

Special Tools

• EN-658-1  Installer
• EN-235-6  Installer

For equivalent regional tools, refer to Special Tools .

Fig 1: Crankshaft Rear Oil Seal
Courtesy of GENERAL MOTORS COMPANY
1. Slide the crankshaft rear oil seal (2) across the EN-235-6  installer (1).
Fig 2: Crankshaft Rear Oil Seal And Installer
Courtesy of GENERAL MOTORS COMPANY
2. Install the crankshaft rear oil seal (1) with EN-235-6  installer (2) to the crankshaft.
Fig 3: Oil Seal Installer
Courtesy of GENERAL MOTORS COMPANY
3. Use EN-658-1  installer (2) to strike the crankshaft rear oil seal (1)
Fig 4: Check Crankshaft Rear Oil Seal For Proper Seat
Courtesy of GENERAL MOTORS COMPANY
4. Check the crankshaft rear oil seal for proper seat, the EN-658-1  installer must be flush with the cylinder block at the position (1).
Fig 5: Crankshaft Position Sensor Reluctor Ring And Oil Seal Housing
Courtesy of GENERAL MOTORS COMPANY
5. Install the reluctor ring (2).
6. Install the crankshaft rear oil seal housing (1).
Fig 6: Crankshaft Position Sensor And Bolt
Courtesy of GENERAL MOTORS COMPANY
7. Install the crankshaft position sensor (3) to the crankshaft rear oil seal housing (1).
CAUTION:

Refer to Fastener Caution .

8. Install the crankshaft position sensor bolt (2) and tighten to 4.5 N.m (40 lb in).