Toyota Tundra 2005 Service - Repair - Maintenance page 3398

AIR CONDITIONING - COOLING UNIT
DISASSEMBLY
1. REMOVE BLOWER RESISTOR
Remove the 2 screws and blower resistor.
2. SEPARATE UPPER AND LOWER UNIT CASES
(a) Disconnect the connector clamp from the upper unit case.
(b) Using a knife, cut off each packing.
(c) Remove the clip and 6 screws.
(d) Separate the upper and lower unit cases, then pull out the
thermistor from the evaporator.
3. REMOVE EVAPORATOR FROM LOWER UNIT CASE
HINT:
At the time of reassembly, refer to the following:
I28074
If the evaporator is replaced, add compressor oil to the com-
pressor.
Add 40 to 50 cc (1.4 to 1.7 fl.oz.)
Compressor oil: ND-OIL 8 or equivalent
4. REMOVE EXPANSION VALVE
Using a hexagon wrench (5.0 mm, 0.20 in.), remove the 2 bolts
and separate the expansion valve, evaporator and tubes.
Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf)
HINT:
At the time of reassembly, refer to the following:
Lubricate 4 new O-rings with compressor oil and install them
to the tubes and valve.
I28075
Author : Date :
AC-33
AC272-03
5060