TH700R4 through 4L70E tips and tricks
(→Stake the pump bushing (for pre-1987 model year 700R4 )) |
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[[Image:Stakebush.jpg]] | [[Image:Stakebush.jpg]] | ||
| − | ;{{Note1}} The #732 pump (manfactured since October 1986 which includes some early 4L60Es without the 2 piece bellhousing) has a cast in step to help retain the bushing. The early pump had an issue with the pump bushing walking out, requiring staking and/or Loctiting it in place. Also, the #732 pump has an additional oil drain hole which is a connection for the oil transfer tube used with the auxillary valve body. The early and late pumps do not interchange (same with the pre- and post-October 1986 transmission cases (the late 1988-1993 cases have a "St. Louis Gateway" arch casting and the absence of 3 oil pressure fittings) | + | ;{{Note1}} The #732 pump (manfactured since October 1986 which includes some early 4L60Es without the 2 piece bellhousing) has a cast in step to help retain the bushing. The early pump had an issue with the pump bushing walking out, requiring staking and/or Loctiting it in place. Also, the #732 pump has an additional oil drain hole which is a connection for the oil transfer tube used with the auxillary valve body. The early and late pumps do not interchange (same with the pre- and post-October 1986 transmission cases (the late 1988-1993 cases have a "St. Louis Gateway" arch casting and the absence of 3 oil pressure fittings). |
===Pump rotor clearance check=== | ===Pump rotor clearance check=== | ||
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