Sienna LE V6-3.0L (1MZ-FE) (1998)
Valve Body: Service and Repair
On-Vehicle Service
ON-VEHICLE REPAIR
1. REMOVE DRAIN PLUG AND DRAIN Automatic Transmission Fluid (ATF)
Using a hexagon wrench, remove the drain plug and drain the fluid into the suitable container.
2. REMOVE OIL PAN AND GASKET
Remove the 17 bolts.
NOTICE:
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Some fluid will remain in the oil pan.
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Remove oil pan bolts, and carefully remove the oil pan assembly.
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Discard the gasket.
3. REMOVE 3 MAGNETS FROM OIL PAN
4. EXAMINE PARTICLES IN PAN
Remove the magnets and use them to collect any steel chips. Look at the chips and particles in the pan and magnet carefully to anticipate what
type of wear you will find in the transaxle.
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Steel (magnetic): bearing, gear and plate wear
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Brass (non-magnetic): bushing wear
5. REMOVE OIL STRAINER AND OIL PIPE BRACKET
a. Remove the 3 bolts and oil strainer.
NOTICE: Be careful as oil will come out of the strainer when it is removed.
b. Remove the 2 bolts and oil pipe bracket.
6. REMOVE MANUAL VALVE BODY
a. Remove the 2 bolts and detent spring.