Pontiac Workshop Service and Repair Manuals

Gasket Leak

Replace Gasket

Porosity

Repair Per Service Manual

1

2

Case

Cracked

Replace Case

1

3

Cooler Fittings

Low Torque

Reseal & Retorque

or Pressure Plugs

1

4

T.V. Cable

Connector Cocked &

Remove Connector & Reinstall

Connector

Interfering With
Mount
Seal Damaged

Replace Seal

Connector Cracked

Replace Connector
Cable

1

5

Servo Cover

Porosity

Replace (See Figure 2)

2

1 & 2

"O" Ring Damage

Replace (See Figure 2)

1

6

Fill Tube

Seal Missing or

Remove Fill Tube & Replace Seal

Damaged

Tube Bent Above

Replace Tube

Transmission

1

7

Converter Seal

Seal Damaged

Replace Seal

3

-

Seal Blown Out

(see Figure 3) Check For
Oversized Seal Bore or Restricted Drainback Passage.

1

8

Pump Assembly

Pump Bolts Loose

Retorque & Recheck

Pump To Case Ring

Replace Ring & Recheck.

Cut or Damaged

If Leak Persists, Replace
Oil Pump Body With Part Number 8642986 or Repair (See
Figure 3).

3

-

Pump Porosity

Replace Oil Pump Body Part
Number 8642986

1

9

Converter Assembly

Hub or Seam Weld

Replace Converter.

1

10

Vent

Leaking

Check for Oil Overfill &
Correct As Necessary

REPAIR PROCEDURE:

POSSIBLE LEAK POINT

FIG- 
URE

ITEM

NO.

NO.

PART NAME

LEAK CAUSE

CORRECTION

1

11

Electrical Connector

"O" Ring Missing

Remove Connector & Replace

Or Damaged

"O" Ring

Connector Damaged

Replace Connector

1

12

Manual Shaft

Seal Assembly

Replace Seal

Damaged

1

13

Governor Cover

Gaps in Sealant

Reseal with Loctite

1

14

Speedo Fitting

Low Bolt Torque

Retorque & Recheck

Seal Damaged

Replace Seal

1

15

Rear Extension

Porosity

Repair Per Service Manual

Cracked

Replace

Low Bolt Torque

Retorque & Recheck

Extension to Case

Replace Seal

Seal Damaged
Extension Seal

Replace Seal

Assembly Torn Or Damaged