Service Manual
10 T2® / T2-HP
TM
/ T3 HD
TM
This transaxle is factory lled, sealed and does
not require oil maintenance. However, in the
event of oil contamination or degradation, oil
addition or change may alleviate certain per-
formance problems.
1. Remove the transaxle from the vehicle.
2. Clean the expansion tank and oil ll port
areas of any debris.
3. Remove the oil ll port tting.
4. Position the transaxle so the oil will drain
completely out of the housing.
5. After all the oil is drained from the transaxle,
remove the expansion tank by removing the
self tapping bolt (10-32 x ½) and ratchet
fastener that holds the tank to the hous-
ing.
6. Remove the tank and drain the oil from the
tank. DO NOT remove the vent cap from the
tank. DO NOT remove the tank hose or
o-ring unless a replacement is needed.
7. Install the tank by rst inserting the hose
into the opening in the expansion tank.
Push the tank opening over the o-ring to
ensure a proper seal.
8. Install the tank and self tapping bolt making
sure not to cross thread the bolt. Torque the
bolt to the lower value of the torque speci-
cation listed in the Table on page 15.
9. Fill the transaxle at the oil ll port according
to Figure 3.
10. Install the oil ll port tting.
EXPANSION TANK FUNCTION
The expansion tank allows the T2
®
, T2-HP
TM
and T3 HD
TM
to operate free of air entrain-
ment and provides maximum lubrication to the
mechanical and hydraulic components in the
transaxle.
As the T2, T2-HP or T3 HD transaxle is oper-
ated, oil in the transaxle housing heats up which
causes the oil to expand. The oil ows through
an internal hose to the bottom of the vented
expansion tank. As the oil cools, the oil in the
transaxle housing contracts, causing the oil
level to go down in the housing. This creates a
negative pressure in the housing causing the
oil to be drawn back into the case. This keeps
the transaxle housing full of oil at specied
operating temperatures.
FLUID CHANGE PROCEDURE
Figure 3, Expansion Tank
Fluid Description
Type: 20W50 motor oil
Fluid Volume (per transaxle)
10 Bolt Housing: 69.3 - 65.9 . oz. (2050 - 1950 ml)
14 Bolt Housing: 68.1 - 64.8 . oz. (2015 - 1915 ml)
Expansion Tank
1.25”
.50”
Oil Level
Top of Fill Port