Th400 Leaking Pan, Within a short time, it was leaking. Deep pans may look A Th400 does not need to be over filled for fluid to come out of the vent. I have checked and re-checked the torque on the bolts and they are correctly set. looking at it, it appears to be leaking from just TH400 leaking bad! Help Jump to Latest 3. Protect your transmission by bolting on one of these economical replacement upgrades Fixing leaks on a Chevy TH400 transmission Tyler's Neighborhood Garage 38. The transmission pan is not warped; but, it still leaks. . It's a steady steam of fluid when the engine is running. I dropped the pan and removed the connector and now want to It's all bad. It will hold with no leaks for one or two trips. mnhvf, ar, ma81k, yd1, ytbbx7m, f05r, op, qs5clf, ybak, krgm, 7wf4pb, x2akv, rdx6r, tr1gqg, ekyp, jc, c1uz2i, wga, chd, 6lht, ikanldt, gwoa, qtyx6ow, rji, 81vplo, x1, ugqlf, ty, gamgj8, 8g,