Toyota Sienna Service Manual: Removal
1. REMOVE NO. 1 ENGINE UNDER COVER (See page EM-26) 2. REMOVE EXHAUST PIPE ASSEMBLY for 2WD:(See page EX-2) for 4WD:(See page EX-8) 3. DRAIN ENGINE COOLANT (See page CO-6) 4. DRAIN ENGINE OIL (See page LU-4) 5. REMOVE NO. 2 MANIFOLD STAY (See page EM-39) 6. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR (See page EM-40) 7. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH (See page EM-40) 8. REMOVE ENGINE OIL COOLER
(a) Remove the bolt, 2 clamps, and 4 clips and disconnect the 2 water by-pass hoses.
(b) Remove the oil cooler union bolt, oil cooler assembly, and O-ring.
INSPECTION
1. INSPECT ENGINE OIL COOLER
(a) Check the engine oil cooler for damage or clogging.
If necessary, replace the oil cooler.
Engine oil cooler
Components
...
Installation
1. INSTALL ENGINE OIL COOLER
(a) Clean the oil cooler contact surface on the cooler
mounting.
(b) Install a new O-ring to the oil cooler.
(c) Install the oil cooler assembly with the uni ...
Other materials:
Disassembly
1. REMOVE AIR REFINER ELEMENT
(a) Release the 2 claw fittings and remove the air filter
sub-assembly.
(b) Remove the air refiner element from the air filter
cover plate.
2. REMOVE COOLING UNIT DAMPER SERVO SUBASSEMBLY
(a) Remove the 3 screws and the cooling unit damper
servo sub-a ...
Rear Blower Motor Circuit
DESCRIPTION
Power to the rear blower motor is supplied from the battery via the RR A/C
relay.
The rear blower motor speed level varies between 0 and 31 based on the voltage
difference measured
between the terminals of the motor.
The voltage difference measured between the terminals of th ...
Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting the cable to
prevent the airbag working.
3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
4. REMOVE STEE ...
