Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during canister (charcoal canister assembly) removal/installation are shown below.

PROCEDURE

1. REMOVE TAIL EXHAUST PIPE ASSEMBLY (w/o Rear No. 2 Seat)

CAUTION:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

(a) Remove the 4 bolts and disconnect the tail exhaust pipe assembly from the center exhaust pipe assembly (TWC: Rear Catalyst) and No. 2 tail exhaust pipe assembly.

(b) Remove the tail exhaust pipe assembly from the 2 exhaust pipe supports.

(c) Remove the 2 exhaust pipe gaskets from the center exhaust pipe assembly (TWC: Rear Catalyst) and tail exhaust pipe assembly.

2. REMOVE TAIL EXHAUST PIPE ASSEMBLY (w/ Rear No. 2 Seat)

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3. REMOVE CHARCOAL CANISTER PROTECTOR

	Bolt
	Nut

(a) Remove the 4 bolts, 3 nuts and charcoal canister protector.

4. REMOVE CANISTER (CHARCOAL CANISTER ASSEMBLY)

(a) Disconnect the vent line hose from the canister (charcoal canister assembly).

*1	Vent Line Hose	*2	Pipe (Canister (Charcoal Canister Assembly))
*a	Retainer	*b	Tab
*c	Tube Connector	*d	O-Ring
	Pinch		Pull off

HINT:

Do not remove the retainer.

(1) Pinch the tabs of the retainer to disengage the lock claws and pull it down.

(2) Pull off the vent line hose.

(b) Disconnect the air line tube from the charcoal canister leak detection pump sub-assembly.

*1	Air Line Tube
*2	Pipe (Canister (Charcoal Canister Assembly))
*a	Tube Connector
*b	O-Ring
	Pinch
	Pull off

(1) Push the air line tube firmly toward the charcoal canister leak detection pump sub-assembly.

(2) Pinch the tube connector as shown in the illustration.

(3) Pull off the air line tube to the pipe (charcoal canister leak detection pump sub-assembly).

(c) Slide the clip and disconnect the purge line hose from the fuel tube.

(d) Disengage the clamp and disconnect the charcoal canister leak detection pump sub-assembly connector.

(e) Remove the bolt, 3 nuts and disengage the clip to remove the canister (charcoal canister assembly) from the vehicle body.

5. REMOVE CHARCOAL CANISTER LEAK DETECTION PUMP SUB-ASSEMBLY

HINT:

Only perform this procedure when replacement of the charcoal canister leak detection pump sub-assembly is necessary.

(a) Before removing the charcoal canister leak detection pump sub-assembly, clean the charcoal canister sub-assembly by blowing air into it to ensure that the charcoal canister sub-assembly is free of foreign matter.

(b) Disconnect the fuel tank vent hose sub-assembly.

*1	Fuel Tank Vent Hose Sub-assembly	*2	Pipe (Charcoal Canister Sub-assembly)
*a	Retainer	*b	Tab
*c	Tube Connector	*d	O-Ring
	Pinch		Pull off

HINT:

Do not remove the retainer.

(1) Pinch the tabs of the retainer to disengage the lock claws and pull it down.

(2) Pull off the fuel tank vent hose sub-assembly.

(c) Remove the 3 nuts and No. 2 charcoal canister sub-assembly.

(d) Remove the charcoal canister cap.

(e) While disengaging the 2 claws as shown in the illustration, push the charcoal canister leak detection pump sub-assembly upwards using a screwdriver with its tip wrapped with protective tape to remove it.

*a Protective Tape

(f) Check if the No. 2 charcoal canister sub-assembly contains foreign matter such as mud or water.

(1) Visually check that the inside of the No. 2 charcoal canister sub-assembly is free of foreign matter.

(2) Hold the No. 2 charcoal canister sub-assembly upside down to make sure that it is free of foreign matter.

If the No. 2 charcoal canister sub-assembly contains foreign matter, replace the canister (charcoal canister assembly).