Toyota Sienna Service Manual: Removal
1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE
HINT: See page EM-26
2. REMOVE OIL LEVEL GAUGE GUIDE SUBASSEMBLY (See page EM-39) 3. REMOVE NO. 1 OIL PIPE (See page EM-77) 4. REMOVE OIL PIPE (See page EM-77) 5. REMOVE CRANKSHAFT PULLEY (See page EM-79) 6. SEPARATE OIL COOLER PIPE
(a) Remove the bolt and 2 nuts, and disconnect the oil cooler pipe from the oil pan sub-assembly.
(b) Remove the gasket from the oil pan sub-assembly.
7. REMOVE WATER INLET HOUSING (See page CO-12) 8. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY (for Bank 1) (See page EM-82) 9. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY (for Bank 2) (See page EM-82) 10. REMOVE NO. 2 OIL PAN SUB-ASSEMBLY (See page EM-82) 11. REMOVE OIL STRAINER SUB-ASSEMBLY (See page EM-83) 12. REMOVE OIL PAN SUB-ASSEMBLY (See page EM- 83) 13. REMOVE TIMING CHAIN COVER SUB-ASSEMBLY
(a) Remove the 23 bolts and 2 nuts as shown in the illustration.
(b) Remove the timing chain cover by prying between the timing chain cover and cylinder head or cylinder block with a screwdriver.
| NOTICE: Be careful not to damage the contact surfaces of the cylinder head, cylinder block and chain cover. |
HINT: Tape the screwdriver tip before use.
(c) Remove the gasket.
14. REMOVE TIMING CHAIN CASE OIL SEAL
(a) Using a screwdriver, pry out the oil seal.
HINT: Tape the screwdriver tip before use.
Oil pump
Components
...
Disassembly
1. REMOVE OIL PUMP RELIEF VALVE
(A) using a 27 mm socket wrench, remove the relief
valve plug.
(B) remove the valve spring and oil pump relief valve.
2. REMOVE OIL PUMP COVER
(a) Remove ...
Other materials:
Intake Air Temperature Sensor Gradient Too High
DESCRIPTION
The Intake Air Temperature (IAT) sensor, mounted on the Mass Air Flow (MAF)
meter, monitors the IAT.
The IAT sensor has a built-in thermistor with a resistance that varies according
to the temperature of the
intake air. When the IAT becomes low, the resistance of the the ...
Removal
1. REMOVE EXHAUST PIPE ASSEMBLY
(a) Remove exhaust pipe assembly (See page EX-8).
2. REMOVE PROPELLER W/CENTER BEARING SHAFT ASSEMBLY
(a) Depress the brake pedal and hold it down.
(b) Using a hexagon wrench (6 mm), loosen the cross
groove joint set bolts a half turn.
HINT:
Place a cloth ...
How to proceed with
troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
Interview the customer and confirm the trouble.
Confirm the problem by duplicating the conditions
described by the customer
3 BASIC INSPECTION
Basic inspection.
Measure the battery voltage.
Standard voltage:
11 ...
