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reaches the "L" mark (1 Qt. low) on the indicator.
4. With engine operating at normal idle, add sufficient
Automatic transmission fluid to bring level to "F" (full) mark
on indicator.
CAUTION: Fluid level should never be higher than "F" mark
on indicator, when fluid is at operating temperature. An ex-
cessive amount of fluid will cause spinning drums to aerate fluid.
Expanding fluid may then be forced out of case around indicator.
Sufficient fluid may be lost to damage the transmission seriously.
5. Reinstall indicator and cover access hole with plate.
DRAINING AND REFILLING THE HYDRA-MATIC
TRANSMISSION. At the 25,000 mile interval the transmission
should be drained and refilled. Approximately 81j2 quarts* of
Hydra-Matic Fluid are required to refill transmission after
torus cover and oil pan have been drained. Drain oil imme-
diately after operation, while fluid is still warm. Do not
,flush
transmission after draining.
1. Turn flywheel until torus cover plug is at lowest point.
fig. 81-Drain Plugs on Transmission
Without Cooler
Remove torus cover drain
plug (fig. 85) and thoroughly
drain torus cover.
2. Remove oil pan drain
plug (fig. 85) and thoroughly
drain oil pan.
3. When drainage is com-
pleted install oil pan drain
plug. Tighten drain plug to
35-45 foot-pounds torque.
4. Coat torus ·t!over plug with sealer (Permatex No.3)
and install in torus cover. Tighten plug to 6-7 foot-pounds
torque.
5. Remove oil breather and indicator assembly (see
"Checking Hydra-Matic Fluid") and wipe it clean. Clean indi-
cator cap air cleaner (fig. 84) in cleaning solvent.
6. Pour six* quarts of Automatic transmission fluid into
transmission. Be sure container and spout or funnel is clean.
7. Set parking brake and position control lever in "N"
position and start engine. Run engine at idling speed for 3 to
5 minutes, to fill coupling.
• 80 •
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