TH700R4 through 4L70E tips and tricks
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== Pump Modifications == | == Pump Modifications == | ||
− | Early 700r4-4L60 pump covers (stator support) have an extra bleed hole in the 3-4 clutch circuit that can be plugged off. GM eliminated this hole in the 1990's. | + | Early 700r4-4L60 pump covers (stator support) have an extra bleed hole in the 3-4 clutch circuit that can be plugged off. GM eliminated this hole in the 1990's. |
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+ | Drain back holes from behind the converter hub seal should be enlarged in some pumps. This is year dependent since GM did enlarge the holes in the late 1980's. The matching hole on the pump cover (stator support) should be enlarged too. | ||
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+ | Photos needed... server will not upload at this time - July 3 - 2010 | ||
== Reference and reading Material == | == Reference and reading Material == |