1–10 Copyright © 2004 General Motors Corp.
1000 AND 2000 PRODUCT FAMILIES SERVICE MANUAL
1–7. RESTORING TRANSMISSION
TO SERVICE
a. Transmission Exterior. Wash all external grease
from the transmission with mineral spirits.
b. Sealed Vent Assembly and Openings. Remove
all tape from openings and the vent assembly.
c. New Transmissions. If the transmission is new,
drain the residual preservative oil. Refill the
transmission to the proper level with TranSynd™ or
DEXRON
®
-III transmission fluid.
d. Stored Without Fluid. If the transmission was pre-
pared for storage without fluid, drain the residual fluid
and replace the oil filter elements. Refill the transmission
to the proper level with TranSynd™ or DEXRON
®
-III
transmission fluid.
e. Stored With Fluid. If the transmission was pre-
pared for storage with fluid, it is not necessary to drain
and refill the transmission with new transmission fluid.
Check for proper fluid level. Add or drain transmission
fluid, as required, to obtain the proper level.
1–8. OPERATING INSTRUCTIONS
Detailed transmission operation information is in the
1000 and 2000 Product Families Principles of Operation
Manual, PO3065EN, or the 1000 and 2000 Product
Families operator’s manuals. Refer to the latest edition.
1–9. SPECIFICATIONS AND DATA
The following specifications and data provide a quick
reference to the major characteristics of the transmis-
sion. More detailed information may be obtained from
Tech Data Book SA3018EN.
CAUTION:
When a transmission has been stored, the TCM
must be reset to unadapted shifts. Resetting to
unadapted shifts erases previous shift adapta-
tions and allows the transmission to begin using
Fast Adaptive mode to regain adapted shifts. Use
Allison DOC™ to reset to unadapted shifts.
WARNING!
Operation with excessive loads can cause trans-
mission damage and unexpected vehicle move-
ment. To help avoid injury, property damage,
and/or transmission damage, do not exceed
11 800 kg (26,000 lbs) GCW or the OEM vehicle
rating, whichever is less.
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