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7A3-20
1977 PONTIAC SER
3
the spacer plate to dase gasket.
4. Remove spacer support plate (Fig. 7A3-23).
Fig.
7A3-23
Removing Support Plate
5. Remove valve body spacer plate and valve body spacer
plate to case gasket (Fig. 7~3-24). Be sure to note position
of the four (4) plastic check balls so they are assembled
correctly (Fig. 7A3-25).
CASE POROSITY REPAIR
Turbo Hydra-matic 350 transmission external oil leaks
caused by case porosity can be successfully repaired with the
transmission in the car by using the following recommended
procedures:
'ICE MANUAL
Fig.
7A3-24
Removing Spacer Plate and Gasket
Fig.
7A3-25
Location of Check Balls
3. Shut engine off and thoroughly clean area to be
repaired with a suitable cleaning solvent and a brush
-
air dry.
A clean, dry soldering acid brush can be used to clean
the area and also to apply the cement.
4. Using instructions of the manufacturer, mix a
sufficient amount of epoxy (or equivalent) to make the repair.
Make certain the area to be repaired is fully covered.
5. Allow cement to cure for 3 hours before starting
engine.
6. Road test and check for leaks.
1. Road test and bring the transmission to operating
temperature, approximately 190°F. (85°C.).
2. Raise car on hoist or jack stand, engine running, and
locate source of oil leak. Check for oil leaks in Low, Drive
and Reverse.
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