MR2 L4-1587cc 1.6L DOHC SC (4A-GZE) (1988)
h. Align the matchmarks on the differential cases.
i.
Using plastic hammer, carefully tap the differential case.
j.
Using a torx wrench, install and torque the sixteen torx screws.
Torx wrench T50 09042-00040
Torque: 640 kg-cm (46 ft-lb, 63 N-m)
7. INSTALL RING GEAR
a. Clean the contact surface of the differential case.
b. Heat the ring gear to about 100 °C (212 °F) in an oil bath.
CAUTION: Do not heat the ring gear above 110 °C (230 °F)
c. Clean the contact surface of the ring gear with cleaning solvent.