TH700R4 through 4L70E tips and tricks
(→Pump Modifications: 3-4 clutch mods) |
(→Pump Modifications) |
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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. | + | 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 shown in yellow circle) should be enlarged too. |
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+ | [[image:Drain_back_hole.jpg]] | ||