Toyota Tundra. Manual — part 2439

Fig. 191: Identifying Evaporator
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

16. REMOVE EVAPORATOR TEMPERATURE SENSOR

a. Remove the sensor.

Fig. 192: Identifying Evaporator Temperature Sensor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

17. REMOVE COOLER EXPANSION VALVE

a. Using a 4 mm hexagon wrench, remove the 2 bolts.

Fig. 193: Identifying Cooler Expansion Valve Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Remove the tube and accessory and 2 O-rings.

c. Remove the cooler expansion valve and 2 O-rings from the cooler evaporator.

2009 Toyota Tundra

2009 HVAC Air Conditioning - Tundra

REASSEMBLY

1. INSTALL COOLER EXPANSION VALVE

a. Sufficiently apply compressor oil to 4 new O-rings and the fitting surface of the hose joint.

Compressor oil:

ND-OIL 8 or equivalent

b. Install the 2 O-rings to the cooler evaporator.

c. Install the 2 O-rings to the tube and accessory.

d. Install the cooler expansion valve and tube and accessory to the evaporator.

e. Using a 4 mm hexagon wrench, install the 2 bolts.

Torque: 3.5 N*m (36 kgf*cm, 31 in.*lbf)

Fig. 194: Identifying Cooler Expansion Valve Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. INSTALL EVAPORATOR TEMPERATURE SENSOR

a. Insert the sensor to a location that is 1 fin to the right or left of its previous location.

EVAPORATOR TEMPERATURE SENSOR DIMENSION

NOTE:

If reusing the evaporator, do not insert the sensor into a location where
the sensor was previously inserted.

Area Standard Dimension

a

48 mm (1.89 in.)

b

9 mm (0.354 in.)

c

34.3 mm (1.35 in.)

d

47.7 mm (1.88 in.)

e

50 mm (1.97 in.)

2009 Toyota Tundra

2009 HVAC Air Conditioning - Tundra

Fig. 195: Installing Evaporator Temperature Sensor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

3. INSTALL NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY

a. Install the evaporator to the blower case (front side).

Fig. 196: Identifying Evaporator
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Install the blower case (back side).

c. Install the 6 screws and attach the 4 claws.

2009 Toyota Tundra

2009 HVAC Air Conditioning - Tundra

Fig. 197: Locating Blower Case Screws And Claws
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d. Install the packing, as shown in the illustration.

Fig. 198: Identifying Packing
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

4. INSTALL HEATER RADIATOR UNIT SUB-ASSEMBLY

a. Install the heater radiator unit.

b. Attach the 3 claws to install the heater clamp.

2009 Toyota Tundra

2009 HVAC Air Conditioning - Tundra