Ring gear must be heated before
installation. Failure to heat ring
gear before installation could cause
damage to differential case half
because of tight fit.
(10) If removed, install ring gear (13).
Expand ring gear (13) by heating in
a tank of water to a temperature of
160°F - 180°F (71°C - 82°C) for 10 to
Wear gloves and proper clothing while handling hot ring gear. Failure to follow this
precaution could result in serious personal injury.
Use a sling and hoist to lift the ring gear (13) from tank of water.
Install ring gear (13) on flange case half (26) immediately after heating. If ring gear does not
fit easily on flange case half, repeat Step (a).
Align fastener holes of ring gear (13) and flange case half (26) by rotating ring gear as needed.
Do not heat rivets before
installation. Hot rivets could
damage ring gear and flange case
Properly install 12 rivets (27) in
pairs opposite each other (A and B)
from the flange case half (26) side of
the assembly (side opposite gear
Use a riveting machine to press
rivets (27) into place from ring
gear (13) side of the assembly. Press
rivets in pairs opposite each other.
Apply 60,000 lb of pressure.