GM Service Manual Online
For 1990-2009 cars only
Makes
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Generic
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1998
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Unit Repair
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Transmission/Transaxle
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Automatic Transaxle - 3T40
🢒 Case Seals Disassemble
Notice:
Do not damage the case bore during removal of the manual shift shaft seal.
Using a small flat blade screwdriver, remove the manual shaft seal assembly (113).
Using a small flat blade screwdriver, remove the transmission oil filter seal (32).
Use a drift punch and hammer in order to drive the seal (120) through the case.