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Old 03-24-2010, 09:40 AM
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torque convertor replace?

Hey group

I generally hang out on the body exterior forum but I have a question for you experts. I'm having the transmission rebuilt in my 87 Grand wagoneer. What about the torque convertor; do they wear out? Should it be replaced also?

thanks for any & all responses

Ron
64 GTO convertible
79 CJ7
87 Grand Wagoneer

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Old 03-24-2010, 10:49 AM
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In all my years of driving, I've never had a torque converter failure.

If you cooked your tranny and its full of debris, then you'll need to change it for sure.

If it was running fine and you're just freshening it up, you could probably run it.
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Old 03-24-2010, 12:38 PM
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Quote:
Originally Posted by gto_ron
Hey group

I generally hang out on the body exterior forum but I have a question for you experts. I'm having the transmission rebuilt in my 87 Grand wagoneer. What about the torque convertor; do they wear out? Should it be replaced also?

thanks for any & all responses

Ron
64 GTO convertible
79 CJ7
87 Grand Wagoneer
Some shops won't guarantee the tranny w/o a fresh TC installed at the same time. Cheap insurance, IMHO.
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Old 03-24-2010, 01:04 PM
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At least get if flushed
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Old 03-24-2010, 01:29 PM
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Quote:
Originally Posted by gto_ron
Hey group

I generally hang out on the body exterior forum but I have a question for you experts. I'm having the transmission rebuilt in my 87 Grand wagoneer. What about the torque convertor; do they wear out? Should it be replaced also?

thanks for any & all responses

Ron
64 GTO convertible
79 CJ7
87 Grand Wagoneer
With the AW4 transmission, I would say replace the converter. If you got enough miles on it to wear out that trans, then the converter owes you nothing

Also, depending on failure and contamination in the trans. The converter can't be flushed(with solvents) because it has a clutch in it. Besides, getting all the sediment out of it takes cutting it apart and running it through a nice cleaning machine. Wouldn't want the converter to contaminate the fresh trans would you? Same with the trans cooler, buy a couple cans of trans cooler flush, unless the shop has a cooler flush machine. But, like I said, it depends on type of failure the trans has had. But really, the trans rebuilder should be able to make a good judgement call.
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