DISASSEMBLY
PROCEDURE
1. REMOVE REAR BLOWER MOTOR WITH FAN SUB-ASSEMBLY
(a) Remove the 3 screws and rear blower motor with fan sub-assembly. |
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2. REMOVE BLOWER MOTOR CONTROL
(a) Remove the 2 screws and blower motor control. |
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3. REMOVE REAR NO. 2 COOLING UNIT DAMPER SERVO SUB-ASSEMBLY
(a) Disconnect the connector. |
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(b) Remove the 2 screws and rear No. 2 cooler unit damper servo sub-assembly.
4. REMOVE REAR NO. 1 COOLING UNIT DAMPER SERVO SUB-ASSEMBLY
(a) Disconnect the connector. |
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(b) Remove the 2 screws and rear No. 1 cooler unit damper servo sub-assembly.
5. REMOVE REAR COOLING UNIT EXPANSION VALVE
(a) Disengage the 3 claws to remove the plate. |
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(b) Remove the grommet. |
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(c) Using a 4 mm hexagon socket wrench, remove the 2 hexagon bolts and rear cooling unit expansion valve. |
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(d) Remove the 2 O-rings from the rear evaporator sub-assembly.
NOTICE:
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
6. REMOVE NO. 1 COOLING UNIT BRACKET
(a) Remove the 3 screws and No. 1 cooling unit bracket. |
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7. REMOVE NO. 2 COOLING UNIT BRACKET
(a) Remove the 2 screws and No. 2 cooling unit bracket. |
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8. REMOVE NO. 3 COOLING UNIT BRACKET
(a) Remove the 2 screws and No. 3 cooling unit bracket. |
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9. REMOVE COOLER UNIT CLAMP
(a) Remove the 2 screws and cooler unit clamp. |
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10. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY
(a) Remove the heater radiator unit sub-assembly as shown in the illustration.
![]() | Remove in this Direction |
NOTICE:
Prepare a drain pan or cloth in case the coolant leaks.
11. REMOVE REAR EVAPORATOR SUB-ASSEMBLY
(a) Disengage each clamp.
(b) Remove the 12 screws and rear cooling unit cover LH from the rear cooling unit cover RH. |
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(c) Remove the rear evaporator sub-assembly as shown in the illustration.
![]() | Remove in this Direction |
NOTICE:
When the rear evaporator sub-assembly is removed, make sure to install a new one. The rear evaporator sub-assembly cannot be reused.
12. REMOVE NO. 2 AIR CONDITIONING HARNESS ASSEMBLY
(a) Disengage the 2 claws to remove the No. 2 air conditioning harness assembly. |
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Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > For safety and security: Theft deterrent system
Immobilizer system
The vehicle's keys have built-in transponder chips that prevent the
hybrid system
from starting if a key has not been previously registered in the vehicle's
on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Cylinder Head: Inspection
INSPECTION CAUTION / NOTICE / HINT HINT:
Use the same procedure for bank 1 and bank 2.
The following procedure is for bank 2.
PROCEDURE 1. INSPECT CYLINDER HEAD LH (a) Using a precision straightedge and feeler gauge, check the surfaces which contact the cylinder block sub-assembly and manifo ...