Lexus ES: Replacement
REPLACEMENT
PROCEDURE
1. REPLACE INTAKE VALVE GUIDE BUSH
(a) Heat the cylinder head sub-assembly to between 80 and 100°C (176 and 212°F).
(b) Place the cylinder head sub-assembly on wooden blocks.
CAUTION:
Be sure to wear protective gloves.
| (c) Using SST and a hammer, tap out the intake valve guide bush. SST: 09201-01055 SST: 09950-70010 09951-07100 |
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| (d) Using a caliper gauge, measure the intake valve guide bush bore diameter of the cylinder head sub-assembly. Standard Intake Valve Guide Bush Bore Diameter: 10.285 to 10.306 mm (0.405 to 0.406 in.) New Guide Bush Selection Chart:
Standard Bush Length: 41.3 to 41.7 mm (1.63 to 1.64 in.) HINT:
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(e) Heat the cylinder head sub-assembly to between 80 and 100°C (176 and 212°F).
| (f) Using SST and a hammer, tap in the selected intake valve guide bush. SST: 09201-10000 09201-01050 SST: 09950-70010 09951-07100 Standard Protrusion Height: 17.75 to 17.95 mm (0.699 to 0.707 in.) |
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| (g) Using a sharp 5.5 mm reamer, ream the intake valve guide bush to obtain the standard oil clearance. Standard Oil Clearance: 0.025 to 0.060 mm (0.000984 to 0.00236 in.) |
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2. REPLACE EXHAUST VALVE GUIDE BUSH
(a) Heat the cylinder head sub-assembly to between 80 and 100°C (176 and 212°F).
(b) Place the cylinder head sub-assembly on wooden blocks.
CAUTION:
Be sure to wear protective gloves.
| (c) Using SST and a hammer, tap out the exhaust valve guide bush. SST: 09201-01055 SST: 09950-70010 09951-07100 |
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| (d) Using a caliper gauge, measure the exhaust valve guide bush bore diameter of the cylinder head sub-assembly. Standard Exhaust Valve Guide Bush Bore Diameter: 10.285 to 10.306 mm (0.405 to 0.406 in.) New Guide Bush Selection Chart:
Standard Bush Length: 43.3 to 43.7 mm (1.70 to 1.72 in.) HINT:
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(e) Heat the cylinder head sub-assembly to between 80 and 100°C (176 and 212°F).
| (f) Using SST and a hammer, tap in the selected exhaust valve guide bush. SST: 09201-10000 09201-01050 SST: 09950-70010 09951-07100 Standard Protrusion Height: 17.75 to 17.95 mm (0.699 to 0.707 in.) |
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| (g) Using a sharp 5.5 mm reamer, ream the exhaust valve guide bush to obtain the standard oil clearance. Standard Oil Clearance: 0.030 to 0.065 mm (0.00118 to 0.00256 in.) |
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3. REPLACE RING PIN
NOTICE:
It is not necessary to remove the ring pins unless they are being replaced.
(a) Remove the 2 ring pins.
| (b) Using a plastic hammer, tap in 2 new ring pins to the cylinder head sub-assembly. Standard Protrusion Height: 6.5 to 7.5 mm (0.256 to 0.295 in.) |
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READ NEXT:
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL SPARK PLUG TUBE HINT: When using a new cylinder head sub-assembly, the spark plug tubes must be replaced. (a) Apply adhesive to a new spark plug tube as shown in the
Repair
REPAIR PROCEDURE 1. REPAIR EXHAUST VALVE SEAT NOTICE:
While repairing the exhaust valve seat, make sure to constantly check the valve seat width and valve seating position.
Release the cutter gra
SEE MORE:
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for H
Components
COMPONENTS ILLUSTRATION *1 FRONT WHEEL OPENING EXTENSION PAD LH *2 FRONT WHEEL OPENING EXTENSION PAD RH *3 NO. 1 ENGINE UNDER COVER *4 NO. 2 ENGINE UNDER COVER ASSEMBLY N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 OIL PRESSURE AND TEMPERATURE SE
