Toyota Tundra. Manual — part 2445

Fig. 233: Locating Cooler Compressor Stud Bolts, And Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

DISASSEMBLY

1. REMOVE COOLER BRACKET

a. Detach the clamp.

b. Remove the screw and the cooler bracket.

Fig. 234: Locating Cooler Bracket Screw And Clamp
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. REMOVE MAGNET CLUTCH ASSEMBLY

a. Clamp the cooler compressor in a vise.

b. Using SST, hold the magnet clutch hub.

SST 09985-00270

c. Remove the bolt, magnet clutch hub and magnet clutch washer(s).

HINT:

There is no set number of magnet clutch washers since they are used for adjusting.

2009 Toyota Tundra

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Fig. 235: Removing Magnet Clutch Hub Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d. Using a snap ring expander, remove the snap ring and the magnet clutch rotor.

Fig. 236: Removing Snap Ring
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

e. Disconnect the connector.

f. Using a snap ring expander, remove the snap ring and magnet clutch stator.

Fig. 237: Removing Snap Ring
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:

Do not damage the seal cover of the bearing when removing the snap
ring.

2009 Toyota Tundra

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INSPECTION

1. INSPECT MAGNET CLUTCH ASSEMBLY

a. Check the magnet clutch operation.

1. Confirm that the magnet clutch hub and magnet clutch rotor lock when the battery positive

lead is connected to terminal 3 of the magnet clutch, and the negative lead is connected to the
ground wire.

If the operation is not as specified, replace the magnet clutch assembly.

b. Measure the resistance.

c. Measure the resistance between terminals 1 and 2.

Standard Resistance:

165 to 205 ohms at 20°C (68°F)

If the resistance is not as specified, replace the cooler compressor assembly.

Fig. 238: Measuring Resistance Between Terminals 1 And 2
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

REASSEMBLY

2009 Toyota Tundra

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1. INSTALL MAGNET CLUTCH ASSEMBLY

a. Install the magnet clutch stator with the parts shown in the illustration matched.

Fig. 239: Identifying Magnet Clutch Stator
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Using a snap ring expander, install a new snap ring with the chamfered side facing up.

Fig. 240: Installing Snap Ring
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Connect the connector.

d. Using a snap ring expander, install the magnet clutch rotor and a new snap ring with the chamfered

side facing up.

NOTE:

Do not damage the seal cover of the bearing when installing the snap
ring.

2009 Toyota Tundra

2009 HVAC Air Conditioning - Tundra