Extension Case
Extension CaseREMOVAL
1) Remove the transmission assembly from the vehicle.
2) Remove the extension case and transmission hanger.
NOTE:
The total number of extension case mounting bolts is 13.
3) Remove the O-ring.
INSTALLATION
1) Clean the mating surface of extension case and transmission case.
2) Select the transfer drive gear shim.
3) Select the transfer driven gear shim.
4) Attach the selected transfer drive gear shim to extension case with vaseline.
5) Attach the selected transfer driven gear shim to extension case with vaseline.
6) Install the O-ring to the transmission case.
NOTE:
^ Use new O-rings.
^ Apply CVTF to the O-ring.
7) Apply liquid gasket to extension case seamlessly.
Liquid gasket:
THREE BOND 1215 (Part No. 004403007) or equivalent
8) Install the extension case to transmission hanger.
Tightening torque:
25 Nm (2.5 kgf-m, 18.4 ft-lb)
9) Install the transmission assembly.
DISASSEMBLY
1) Remove the dust cover from extension case.
2) Remove the extension case oil seal from the extension case.
3) Remove all plugs.
ASSEMBLY
1) Press-fit the dust cover into extension case.
2) Install the extension case oil seal to extension case.
3) Install all plugs.
NOTE:
^ Use a new O-ring or a gasket.
^ Apply CVTF to the O-ring.
Tightening torque:
T1: 25 Nm (2.5 kgf-m, 18.4 ft-lb)
T2: 35 Nm (3.6 kgf-m, 25.8 ft-lb)
INSPECTION
^ Check there is no leak of CVTF from the joint between extension case and transmission case.
^ Check there is no damage or cracks on the extension case and other parts.
ADJUSTMENT
NOTE:
When replacing the extension case, select the transfer drive gear shim and transfer driven gear shim.