Replacement

2AZ-FE ENGINE MECHANICAL: ENGINE UNIT: REPLACEMENT

REPLACEMENT

1. REPLACE TIMING CHAIN COVER OIL SEAL
HINT: There are 2 methods to replace the oil seal.

(a) If the timing chain cover is removed from the cylinder block:





(1) Using a screwdriver and hammer, tap out the oil seal.
(2) Apply multi-purpose grease to the lip of a new oil seal.
NOTE: Keep the lip free of foreign objects.





(3) Using SST and a hammer, tap in the new oil seal until its surface is flush with the timing chain cover edge.
SST: 09223-22010
NOTE: Do not tap the oil seal at an angle.

(b) If the timing chain cover oil seal is installed to the cylinder block:
(1) Remove the fan and generator V belt Removal.
(2) Remove the crankshaft pulley Removal.





(3) Using a knife, cut off the lip of the oil seal.
(4) Using a screwdriver with its tip wrapped with tape, pry out the oil seal.
NOTE: After removing, check the crankshaft for damage. If damaged, smooth the surface with 400-grit sandpaper.
(5) Apply multi-purpose grease to the lip of a new oil seal.
NOTE: Keep the lip free of foreign objects.





(6) Using SST and a hammer, tap in the new oil seal until its surface is flush with the timing chain cover edge.
SST: 09223-22010
NOTE: Do not tap the oil seal at an angle.
(7) Install the crankshaft pulley Installation.
(8) Install the fan and generator V belt Installation.
2. REPLACE ENGINE REAR OIL SEAL






(a) Using a knife, cut off the lip of the oil seal.
(b) Using a screwdriver with its tip wrapped with tape, pry out the oil seal.
NOTE: After removing, check the crankshaft for damage. If damaged, smooth the surface with 400-grit sandpaper.

(c) Apply multi-purpose grease to the lip of a new oil seal.
NOTE: Keep the lip free of foreign objects.





(d) Using SST and a hammer, tap in the new oil seal until its surface is flush with the rear oil seal retainer edge.
SST: 09223-15030
SST: 09950-70010
09951-07100
- Wipe any extra grease off the crankshaft.
- Do not tap the oil seal at an angle.

3. REPLACE STUD BOLT (for Cylinder Block)
NOTE: If the stud bolt is deformed or the threads are damaged, replace it.

(a) Remove the 8 stud bolts.
(b) Install the 8 stud bolts into the cylinder block.
Torque:










4. REPLACE TIGHT PLUG (for Cylinder Block)
NOTE: If water leaks from the tight plug or the plug corrodes, replace it.

(a) Remove the 2 tight plugs from the engine front and rear side.






(b) Apply adhesive around new tight plugs.
Adhesive:
Toyota Genuine Adhesive 1342, Three Bond 1342 or equivalent
(c) Using SST, install the 2 tight plugs.
SST: 09950-60010
09951-00200
SST: 09950-70010
09951-07100
Standard depth:










5. REPLACE RING PIN (for Cylinder Block)
NOTE: It is not necessary to remove with head pin unless it is being replaced.

(a) Remove the 12 ring pins.
(b) Using a plastic-faced hammer, install 12 new ring pins.
Standard protrusion height:










6. REPLACE STRAIGHT PIN (for Cylinder Block)
NOTE: It is not necessary to remove with straight pin unless it is being replaced.

(a) Remove the 8 straight pins.
(b) Using a plastic-faced hammer, install 8 new straight pins.
Standard protrusion height: