Lexus RX300 (MCU15). Manual — part 91

I06861

LHD model:

I18278

RHD model:

I06841

AC–32

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AIR CONDITIONING

AIR CONDITIONER UNIT

LEXUS RX300 (RM785E)

10.

REMOVE EVAPORATOR

(a)

Using a hexagon wrench (5.0 mm, 0.20 in.),
remove the 2 bolts and tube and accessory.
Torque: 4.1 N·m (42 kgf·cm, 36 in.·lbf)

NOTICE:
Cap the open fittings immediately to keep moisture or dirt
out of the system.
HINT:
At the time of installation, please refer to the following item.
Lubricate 2 new O–rings with compressor oil and install them
to the tube.

(b)

Remove the 7 screws and cover.

(c)

Pull out the evaporator.

HINT:
At the time of reassembly, please refer to the following item.
If evaporator is replaced, add compressor oil to the evaporator.

Add 40 cc (1.4 fl. oz.)
Compressor oil: ND–OIL 8 or equivalent

(d)

Remove the insulator.

AC3AP–01

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AIR CONDITIONING

AIR CONDITIONER UNIT

AC–33

LEXUS RX300 (RM785E)

INSPECTION

1.

INSPECT EVAPORATOR

(a)

Check the fins for blockage.

If the fins are clogged, clean them with compressed air.
NOTICE:
Never use water to clean the evaporator.
(b)

Check fitting for cracks for scratches.

If necessary, repair or replace.
2.

INSPECT HEATER RADIATOR

Check the fins for blockage.
If the fins are clogged, clean them with compressed air.

AC3AQ–01

AC–34

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AIR CONDITIONING

AIR CONDITIONER UNIT

LEXUS RX300 (RM785E)

REASSEMBLY

Reassembly is in the reverse order of disassembly (See page AC–30).

AC3AR–01

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AIR CONDITIONING

AIR CONDITIONER UNIT

AC–35

LEXUS RX300 (RM785E)

INSTALLATION

Installation is in the reverse order of removal (See page AC–27).