Previa Van DX 4WD L4-2438cc 2.4L DOHC SC MFI (1997)
a. Tighten the 4 bearing cap bolts to the specified torque, then loosen them to the point where they can be turned by hand.
Torque: 85 Nm (63 ft. lbs.)
b. Fully tighten the 4 bearing cap bolts by hand.
c. Using SST # 09504 - 00011 or equivalent, tighten the adjusting nut on the ring gear back side until the ring gear has a backlash of about 0.2
mm (0.008 inch).
d. With turning the ring gear, use SST # 09504 - 00011 or equivalent to fully tighten the adjusting nut on the ring gear teeth side. After the
bearings are settled, loosen the adjusting nut on the drive pinion side.
e. Place a dial indicator on the top of the adjusting nut on the ring gear back side.
f.
Adjust the side bearing for zero preload by tightening the other adjusting nut until the pointer on the indicator begins to move.
g. Tighten the adjusting nut 1 - 1.5 notches from the zero preload position.
h. Using a dial indicator, adjust the ring gear backlash until it is within the specification.
Backlash: 0.13 - 0.18 mm (0.0061 - 0.0071 inch)
HINT: The backlash is adjusted by turning the left and right adjusting nuts equal amounts. For example, loosen the nut of the left side one
notch and tighten the nut on the right side one notch.
i.
Torque the 4 bearing cap bolts.
Torque: 85 Nm (83 ft. lbs.)
j.
Recheck the ring gear backlash.
Backlash: 0.13 - 0.18 mm (0.0051 - 0.0071 inch)
