Toyota Sienna Service Manual: 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 the 8 bolts, oil pump cover and oil pump rotor set.
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 ...
Inspection
1. INSPECT OIL PUMP RELIEF VALVE
(a) Coat the relief valve with engine oil and check that it
falls smoothly into the valve hole under its own
weight.
If the valve does not fall smoothly, rep ...
Other materials:
Inspection
1. INSPECT MASS AIR FLOW METER
Visually check for any foreign matter on the
platinum hot wire (heater) of the mass air flow
meter.
OK:
There is no foreign matter.
If the result is not as specified, replace the mass air
flow meter.
Measure the resistance according to the ...
Reassembly
1. INSTALL INPUT SHAFT OIL SEAL RING
(a) Compress a new input shaft oil seal ring from both
sides to reduce dimension A.
Dimension A:
5 mm (0.197 in.)
(b) Coat the oil seal ring with ATF and install it to the
input shaft.
NOTICE:
Do not expand the end gap of the oil seal ring
too much. ...
Diagnosis system
1. DIAGNOSIS FUNCTION
The diagnosis function makes the light and the
multi-information display come on, and the CRUISE
main indicator light blink as shown in the illustration.
When a malfunction occurs in the dynamic laser
cruise control system, the DTCs are stored in the
ECM ...
