Lexus ES: Replacement
REPLACEMENT
CAUTION / NOTICE / HINT
HINT:
- Use the same procedure for bank 1 and bank 2.
- The following procedure is for bank 2.
PROCEDURE
1. REPLACE INTAKE VALVE GUIDE BUSH
(a) Heat the cylinder head LH to between 80 and 100°C (176 and 212°F).
(b) Place the cylinder head LH on wooden blocks.
CAUTION:
Be sure to wear protective gloves.
| (c) Using SST and a hammer, tap out the intake valve guide bush. SST: 09201-10000 09201-01050 SST: 09950-70010 09951-07100 |
|
| (d) Using a caliper gauge, measure the intake valve guide bush bore diameter of the cylinder head LH. Standard Intake Valve Guide Bush Bore Diameter: 10.285 to 10.306 mm (0.405 to 0.406 in.) New Guide Bush Selection Chart:
HINT:
|
|
(e) Heat the cylinder head LH to between 80 and 100°C (176 and 212°F).
(f) Place the cylinder head LH on wooden blocks.
CAUTION:
Be sure to wear protective gloves.
| (g) Using SST and a hammer, tap in a new intake valve guide bush to the specified protrusion height. SST: 09201-10000 09201-01050 SST: 09950-70010 09951-07100 Standard Protrusion Height: 9.30 to 9.70 mm (0.366 to 0.382 in.) |
|
| (h) Using a sharp 5.5 mm reamer, ream the intake valve guide bush to obtain the specified oil clearance. Standard Oil Clearance: 0.025 to 0.060 mm (0.000984 to 0.00236 in.) |
|
2. REPLACE EXHAUST VALVE GUIDE BUSH
(a) Heat the cylinder head LH to between 80 and 100°C (176 and 212°F).
(b) Place the cylinder head LH on wooden blocks.
CAUTION:
Be sure to wear protective gloves.
| (c) Using SST and a hammer, tap out the exhaust valve guide bush. SST: 09201-10000 09201-01050 SST: 09950-70010 09951-07100 |
|
| (d) Using a caliper gauge, measure the exhaust valve guide bush bore diameter of the cylinder head LH. Standard Exhaust Valve Guide Bush Bore Diameter: 10.285 to 10.306 mm (0.405 to 0.406 in.) New Guide Bush Selection Chart:
HINT:
|
|
(e) Heat the cylinder head LH to between 80 and 100°C (176 and 212°F).
(f) Place the cylinder head LH on wooden blocks.
CAUTION:
Be sure to wear protective gloves.
| (g) Using SST and a hammer, tap in a new exhaust valve guide bush to the specified protrusion height. SST: 09201-10000 09201-01050 SST: 09950-70010 09951-07100 Standard Protrusion Height: 9.30 to 9.70 mm (0.366 to 0.382 in.) |
|
| (h) Using a sharp 5.5 mm reamer, ream the exhaust valve guide bush to obtain the specified oil clearance. Standard Oil Clearance: 0.030 to 0.065 mm (0.00118 to 0.00256 in.) |
|
3. REPLACE RING PIN
NOTICE:
It is not necessary to remove the ring pins unless they are being replaced.
(a) Using a plastic hammer, tap in new ring pins to the cylinder head LH and cylinder head sub-assembly.
| *A | for Bank 1 | *B | for Bank 2 |
| *C | w/ Ring Pin | - | - |
| *a | Protrusion Height | - | - |
Standard Protrusion Height:
2.5 to 3.5 mm (0.0984 to 0.138 in.)
4. REPLACE STUD BOLT
NOTICE:
If a stud bolt is deformed or its threads are damaged, replace it.
(a) Using E6 and E8 "TORX" socket wrenches, install the stud bolts to the cylinder head LH.
| *A | for Bank 2 | *B | w/ Stud Bolt |
| *a | Intake Side | *b | Exhaust Side |
| *c | Rear Side | *d | 20 mm (0.787 in.) |
| *e | 13 mm (0.512 in.) | *f | 35 mm (1.38 in.) |
| *g | 16 mm (0.630 in.) | *h | 9 mm (0.354 in.) |
| *i | 27 mm (1.06 in.) | *j | 26 mm (1.02 in.) |
| *k | 16.7 mm (0.657 in.) | *l | 51.7 mm (2.04 in.) |
Torque:
Bolt (A), (B) :
10 N·m {102 kgf·cm, 7 ft·lbf}
Bolt (C) :
4.0 N·m {41 kgf·cm, 35 in·lbf}
(b) Using E6 and E8 "TORX" socket wrenches, install the stud bolts to the cylinder head sub-assembly.
| *A | for Bank 1 | *B | w/ Stud Bolt |
| *a | Intake Side | *b | Exhaust Side |
| *c | Rear Side | *d | 20 mm (0.787 in.) |
| *e | 13 mm (0.512 in.) | *f | 35 mm (1.38 in.) |
| *g | 16 mm (0.630 in.) | *h | 9 mm (0.354 in.) |
| *i | 27 mm (1.06 in.) | *j | 26 mm (1.02 in.) |
| *k | 16.7 mm (0.657 in.) | *l | 51.7 mm (2.04 in.) |
Torque:
Bolt (A), (B) :
10 N·m {102 kgf·cm, 7 ft·lbf}
Bolt (C) :
4.0 N·m {41 kgf·cm, 35 in·lbf}
5. REPLACE STRAIGHT PIN
NOTICE:
If a straight pin is deformed, replace it.
(a) Using a plastic hammer, tap in new straight pins to the cylinder head LH as shown in the illustration.
| *A | for Bank 1 | *B | for Bank 2 |
| *a | 34 mm (1.34 in.) | *b | Protrusion Height |
Standard Protrusion Height:
17.5 to 19.5 mm (0.689 to 0.768 in.)
READ NEXT:
Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT:
Use the same procedure for bank 1 and bank 2.
The following procedure is for bank 2.
PROCEDURE 1. INSTALL SPARK PLUG TUBE HINT: When using a new cylind
Repair
REPAIR CAUTION / NOTICE / HINT HINT:
Use the same procedure for bank 1 and bank 2.
The following procedure is for bank 2.
PROCEDURE 1. REPAIR INTAKE VALVE SEAT NOTICE:
While repairing the i
SEE MORE:
Components
COMPONENTS ILLUSTRATION *1 CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY *2 INSTRUMENT PANEL FINISH PANEL END LH *3 INSTRUMENT PANEL FINISH PANEL END RH *4 REAR UPPER CONSOLE PANEL SUB-ASSEMBLY *5 REMOTE OPERATION CONTROLLER ASSEMBLY *6 SHIFT LEVER KNOB SUB-ASSEMB
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the power trunk lid system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, confirm that the problem sym
