Lexus NX: Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE INTAKE VALVE
| (a) Using SST and wooden blocks, compress the inner compression spring and remove the valve spring retainer locks. SST: 09202-70020 SST: 09202-00021 |
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(b) Remove the valve spring retainer, inner compression spring and intake valve.
HINT:
Arrange the removed parts in the correct order.
2. REMOVE EXHAUST VALVE
| (a) Using SST and wooden blocks, compress the inner compression spring and remove the valve spring retainer locks. SST: 09202-70020 SST: 09202-00021 |
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(b) Remove the valve spring retainer, inner compression spring and exhaust valve.
HINT:
Arrange the removed parts in the correct order.
3. REMOVE VALVE STEM OIL SEAL
| (a) Using needle-nose pliers, remove the valve stem oil seals. |
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4. REMOVE VALVE SPRING SEAT
| (a) Using compressed air and a magnet hand, remove the valve spring seat by blowing air onto it. |
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5. REMOVE NO. 1 STRAIGHT SCREW PLUG
NOTICE:
If coolant leaks from a No. 1 straight screw plug or a plug is corroded, replace it.
| (a) Using a 10 mm hexagon wrench, remove the 3 No. 1 straight screw plugs and 3 gaskets. |
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6. REMOVE NO. 2 STRAIGHT SCREW PLUG
NOTICE:
If coolant leaks from a No. 2 straight screw plug or the plug is corroded, replace it.
(a) Using a 14 mm hexagon wrench, remove the No. 2 straight screw plug and gasket.
7. REMOVE CYLINDER HEAD STUD BOLT
NOTICE:
If a stud bolt is deformed or its threads are damaged, replace it.
READ NEXT:
Inspection
INSPECTION PROCEDURE 1. INSPECT CYLINDER HEAD SUB-ASSEMBLY (a) Using a precision straightedge and feeler gauge, measure the warpage of the contact surfaces where the cylinder head contacts the cylinde
Replacement
REPLACEMENT PROCEDURE 1. REPLACE INTAKE VALVE GUIDE BUSH (a) Heat the cylinder head sub-assembly to approximately 80 to 100°C (176 to 212°F). (b) Place the cylinder head sub-assembly on wooden block
Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repairs" after replacing the cylinder head sub-assembly. Click here PROCEDURE 1. INSTALL CYLINDER HEAD STUD BOLT NOTICE: If a stud
SEE MORE:
Components
COMPONENTS ILLUSTRATION *1 COOLING FAN ECU *2 COOLING FAN MOTOR *3 COOLING FAN WIRE *4 FAN *5 NO. 2 COOLING FAN MOTOR *6 NO. 2 FAN *7 COOLING FAN MOTOR INSULATOR - - N*m (kgf*cm, ft.*lbf): Specified torque - -
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. REMOVE REAR WHEEL Click here 2. DISCONNECT REAR SPEED SENSOR LH (a) w/ AVS: Click here (b) w/o AVS: Click here 3. DISCONNECT PARKING BRAKE W
