Front Crankshaft Seal: Service and Repair

FRONT OIL SEAL REMOVAL / INSTALLATION PROCEDURE

The content of this article/image reflects the changes identified in TSB 01-025/10.

REPAIR PROCEDURE

1. Record the customer's radio station presets and place the vehicle in neutral with the parking brake set.
2. Remove the engine cover.
3. Remove the front suspension tower bar.
4. Remove the battery cover, battery, battery box, and battery tray.
5. Remove the air cleaner component, air hose, and air cleaner insulator.
6. Remove the A/C drive belt and generator drive belt.
7. Rotate the eccentric shaft clockwise and align the eccentric shaft position plate alignment mark (A) to the 9 o-clock position.






8. Remove the starter.
9. Install the SST.

CAUTION: To prevent incorrect installation of the bolts, insert 2 or 3 suitably sized washers between the SST and the bolts, then tighten the bolts.

- A/T - Install the SST using the starter installation bolts (A) and washers (B).






- M/T - Install the SST using the starter installation bolt and nut (A) and washers (B).






10. Remove in the order shown.






1 Pulley lockbolt (See Pulley Lockbolt Installation Note). A breaker bar and possibly an extension may be needed due to high bolt torque.
2 Eccentric shaft bypass valve
3 Spring
4 Pulley component (See Pulley Component Removal Note).
5 Front oil seal (See Front Oil Seal Removal Note and Front Oil Seal Installation Note).

11. Install in the reverse order of removal.

Pulley Component Removal Note

1. Remove the pulley component using a flathead screwdriver (A) to hold the key (B) in place.

CAUTION: The key must be held in place while removing the pulley. Failure to secure key in place will cause severe engine damage.

NOTE: If the key has moved, return it to its original position. If it has not been returned to its original position, remove the front cover and align the component parts, then install the key.






Front Oil Seal Removal Note

1. Remove the front oil seal (A) using a flathead screwdriver with the tip wrapped in a clean rag.






Front Oil Seal Installation Note

1. Apply engine oil to the lip of a new front oil seal.
2. Tap the front oil seal in using the SST and a hammer, making sure the notched part of the tool is up.

NOTE: The SST should bottom out on all sides of the front cover. Confirm the seal is equally installed all the way around.

Pressing distance for the front oil seal (A) from edge of front cover (B): 1.5-2.5 mm {0.06-0.09 in}.






Pulley Lockbolt Installation Note

1. Temporarily tighten the pulley lockbolt.

NOTE: Press in the pulley component by temporarily tightening the pulley lock bolt, and press the part on the eccentric shaft to the normal position.

2. Remove the pulley lockbolt.
3. Measure the position shown between the pulley component (A) and eccentric shaft (B) using Vernier calipers (C).
Standard: 10.34-11.14 mm {0.4071-0.4385 in}
- If not within the specification, perform overhaul service.






4. Apply engine oil to the pulley lockbolt threads.
5. Assemble a new O-ring (A).






6. Apply silicone sealant to the seating face.
7. Tighten the pulley lockbolt.
Tightening torque: 254-294 Nm{25.9-29.9 kgf-m, 188-216 ft-lbf}