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trimatic pump problems

hi all i have a problem i dont understand. i have a 308 in my hx wagon with trimatic transmission. the pump in the tranny blew,after 6 years trouble free removed tranny had rebuilt and reinstalled done 300 meters up the road and back.while tuning carby tranny made all sorts of grinding and squeeling noises then a bang while idling in park,no forward gears or revers pump has gone again.what would make a tranny blow 2 pumps in a short period.

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Compare the oil level with engine stopped to when the engine is running. There must be a noticeable drop when the engine is running.

If there is no drop, the pump is not working.

If there is a drop, the pump is working.

If the pump is working, but there are no gears, the converter splines will be stripped.

If the pump is not working, the converter hasn't engaged the pump correctly ...

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Holdenpaedia, they're the brakes Mate.

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