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GOT A PO740 code?

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Old 05-24-2008, 09:26 PM
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GOT A PO740 code?
Tourque Converter Clutch Curcit Malfunction.

How serious is this?
What should I expect from my tranny?
How soon do I need to get this fixed?

Thanks

- Anthony
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Old 05-24-2008, 09:34 PM
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the convertor wouldn't lock?
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Old 05-24-2008, 09:39 PM
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What symptoms do you have? Probably is an electrical issue and not an actual torque converter issue so it shouldn't require the transmission to come out.
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Old 05-24-2008, 09:53 PM
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No symptons just the flashing of the O/D for 1o seconds and the Service engine light.
Shifts sameway if I take it easy, downshifts on point.
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Old 05-25-2008, 08:27 AM
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either an entire valve body, possibly restricted passage within VB or solenoid pack.
Very common on 2k0-1 cars, very rare on 2k2-2k3 trannies
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Old 05-25-2008, 08:47 AM
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Easy repair or whole tranny rebuild?
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Old 05-25-2008, 11:11 AM
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Sounds like valve body removal. Labor shouldn't be too bad, parts could be if nismo_star's diagnosis is correct.
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Old 05-25-2008, 11:55 AM
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Thanks for the help guys im bringin it into the dealer or my mechanic this week.
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