Replacement

1GR-FE ENGINE MECHANICAL: ENGINE UNIT: REPLACEMENT

REPLACEMENT





1. REMOVE TIMING GEAR CASE OR TIMING CHAIN CASE OIL SEAL
(a) Using a screwdriver, pry out the oil seal.
NOTICE: Be careful not to damage the oil pump assembly. Wrap a tip of the screwdriver with tape.





2. INSTALL TIMING GEAR CASE OR TIMING CHAIN CASE OIL SEAL
(a) Using SST and a hammer, tap in a new oil seal until its surface is flush with the timing chain cover edge.
SST: 09226-10010
(b) Apply MP grease to the oil seal lip.





3. REMOVE REAR ENGINE OIL SEAL
(a) Using a screwdriver and hammer, tap the oil seal out.





4. INSTALL REAR ENGINE OIL SEAL
(a) Using SST and a hammer, tap in a new oil seal until its surface is flush with the rear oil seal retainer edge.
SST: 09223-78010
(b) Apply MP grease to the oil seal lip.
5. REMOVE VALVE GUIDE BUSH





(a) Gradually heat the cylinder head to 80 to 100°C (176 to 212°F).





(b) Place the cylinder head on a wooden block.
(c) Using SST, tap out the valve guide bush.
SST: 09201-10000
SST: 09201-01055
SST: 09950-70010
09951-07100
6. INSTALL VALVE GUIDE BUSH





(a) Using a caliper gauge, measure the bush bore diameter of the cylinder head.
Bush bore diameter:
10.295 to 10.315 mm (0.4053 to 0.4061 in.)
If the bush bore diameter of the cylinder head is greater than 10.315 mm (0.4061 in.), machine the bush bore to the dimension of 10.345 to 10.365 mm (0.4073 to 0.4081 in.).
Valve guide bush diameter:










(b) Gradually heat the cylinder head to 80 to 100°C (176 to 212°F).





(c) Place the cylinder head on a wooden block.
(d) Using SST, tap in a new valve guide bush to the specified protrusion height.
SST: 09201-10000
SST: 09201-01055
SST: 09950-70010
09951-07100
Protrusion height:
9.3 to 9.7 mm (0.366 to 0.382 in.)





(e) Using a sharp 5.5 mm reamer, ream the valve guide bush to the standard specified clearance between the valve guide bush and valve stem.
Standard oil clearance::










7. REMOVE CONNECTING ROD SMALL END BUSH
(a) Using SST and a press, press out the bushing.
SST: 09222-30010
8. INSTALL CONNECTING ROD SMALL END BUSH





(a) Align the oil holes of a new bushing and the connecting rod.





(b) Using SST and a press, press in the bushing.
SST: 09222-30010





(c) Using a pin hole grinder, hone the bushing to the standard specified clearance between the bushing and piston pin.
Standard oil clearance:
0.005 to 0.011 mm (0.0002 to 0.0004 in.)
HINT: Check the measurement at room temperature. Coat the piston pin with engine oil, and push it into the connecting rod with a thumb.