What causes a leak in the front pump seal?

What causes a leak in the front pump seal?

Specifically I have read that a large clearance between the converter snout and pump front bushing can cause a leak through the front seal because the drain hole is small. Should I also look to replace the bushing while the trans is out?

What should I do if my front pump leaks?

This procedure is basically a rebuild of the front pump. The front pump bushing, gasket and o-ring seal should be replaced along with a genuine Ford front pump seal. An excellent modification that can be done with the transmission out is to enlarge the drainback hole in the front section of the pump.

How to repair front pump seal and bushing?

Pump o-ring and gasket, bolt seals, input seal, bushing, and fluid. Sweet – thanks for the concise help. The bushing didnt really seem all that bad and the seal has good engagement all the way around. I am beginning to think the leak was going around the seal where it fits into the pump.

When does a front pump leak a transmission?

When: we don’t know, but most likely it will leak soon after it gets good and hot again. Simply put, it will leak again. The recommended procedure for this would be to remove the transmission.

Specifically I have read that a large clearance between the converter snout and pump front bushing can cause a leak through the front seal because the drain hole is small. Should I also look to replace the bushing while the trans is out?

This procedure is basically a rebuild of the front pump. The front pump bushing, gasket and o-ring seal should be replaced along with a genuine Ford front pump seal. An excellent modification that can be done with the transmission out is to enlarge the drainback hole in the front section of the pump.

Pump o-ring and gasket, bolt seals, input seal, bushing, and fluid. Sweet – thanks for the concise help. The bushing didnt really seem all that bad and the seal has good engagement all the way around. I am beginning to think the leak was going around the seal where it fits into the pump.

When: we don’t know, but most likely it will leak soon after it gets good and hot again. Simply put, it will leak again. The recommended procedure for this would be to remove the transmission.