Mitsubishi 3000GT Service Manual page 54

GENERAL - Maintenance Service
5. Check to see if fluid level is in "HOT' range on dipstick.
If fluid level is low, add ATF until level reaches "HOT
range. Low fluid level can cause a variety of conditions
because it allows pump to take in air along with fluid.
Air trapped in hydraulic circuit forms bubbles which make
fluid spongy. Therefore, pressures will be erratic.
Improper filling can also raise fluid level too high. When
transaxle has too much fluid, gears churn up foam and
cause same conditions which occur with low fluid level,
resulting in accelerated deterioration of ATF transmission
fluid.
In either case, air bubbles can cause overheating, fluid
oxidation, which can interfere with normal valve, clutch,
and servo operation. Foaming can also result in fluid
escaping from transaxle vent where it may be mistaken
for a leak.
6. Be sure to examine fluid on dipstick closely.
(Change fluid)
Drain the fluid and check whether there is any evidence of
contamination.
Replenish with new fluid after the cause of any contamination
has been corrected. .
(1) Remove drain plug at transaxle case bottom to let fluid
drain.
(2) Place a drain container with large opening under the
transaxle oil pan.
(3) Loosen oil pan bolts and tap pan at one corner to break
it loose allowing fluid to drain, then remove oil pan.
(4) Check the oil filter for clogging and damage and replace
if necessary.
(5) Clean drain plug and tighten drain plug with gasket.
Drain pulg: 30-35 Nm (22-25 ft.lbs.)
(6) Clean both gasket surfaces of transaxle case and oil
pan.
(7) Install oil pan with new gasket and tighten oil pan bolts.
Oil pan bolt: lo-12 Nm (7.5-8.5 ft.lbs.)
(8) Pour 4.5 dm3 (4.8 qts.) of specified ATF into case through
dipstick hole. rotal quantity of ATF required is approx.
7.5 dm3 (7.9 qts.). Actually however, approx. 4.5 dm3
(4.8 qts.) of fluid can be replaced because rest of fluid
remains in torque converter.]
Transmission fluid: DIAMOND ATF SP or equivalent
(9) Start engine and allow to idle for at least two minutes.
Then, with parking brake on, move selector lever momen-
tarily to each position, ending in "N" Neutral position.
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