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Post by paddymk2 on Feb 24, 2021 9:23:31 GMT
Hi All Eventually I got the car back from the automatic transmission mechanic. We struggled to get the park cable engaged and after many a Sherlock mystery he figured that the gaskets we'd got cut were too thick. The gasket was replaced and park engaged. I drove the car home. It still dripped a lot of transmission oil from the large sump gasket. With the advice from Craig at New Port motors (Port Adelaide) I got another gasket and with some fixing my mate got the gasket on and no leaks on that gasket. My mate then gave me the bad news that the next leak is from the torque converter! Indeed the transmission makes a noise like wooden spoon being rattled around an old porridge pot!
The noise goes away after a few minutes, but if I stop the engine running for a few minutes, the noise is back as soon as I start the car. My mate reckons that the seal for the torque converter is not on right and its leaking fluid out of the converter.
But I thought I read from Chris and Dave that the transmission fluid does drain back out of the converter?
So my question is does the transmission fluid quickly flow back out of the converter - is it normal and is that dreadful din on start up normal? Cheers Paddy
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Post by Penguin45 on Mar 2, 2021 0:06:12 GMT
I honestly don't know enough about them, Paddy. The torque converter will drain eventually, but I've no idea how long that is.
Chris.
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Post by dave1800 on Mar 2, 2021 2:11:01 GMT
Hi Paddy
Sorry to her you still have problems. I've never worked on an automatic crab other than to adjust the cables to ensure the parking lock pawl engaged. My understanding is that the fluid drains out of the torque converter slowly say overnight but if it happens rapidly as you indicate this may suggest a leaky valve or pump. There certainly should not be a lot of noise on start up. Do you get any shuddering on taking up drive /idling?
David
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Post by paddymk2 on Mar 4, 2021 2:45:36 GMT
Yes I did read in the manual that the gearbox oil may drain back out of the torque converter if its been sitting for at least 12hrs, (but this seemed to be sucking/scraping as soon as you restarted.) The fella who rebuilt the gearbox come out to have a listen and look at where the oil was dripping from (on start up.) He agreed that it did appear to be the torque converter seal. He agreed to fix it (and Craig Martin has spare parts in stock in Adelaide.) On the positive side when I do get the engine out it would be a good time to renew steering and suspension bushes etc. Hours of fun!
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Post by tonymark3 on Mar 4, 2021 20:01:31 GMT
Good thinking. After restoring mine I had this terrible knock over bumps. Worried to death. Tracked it down to the plastic bush in the steering rack. Amazing difference and steering pretty light after that.
Tony S
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Post by paddymk2 on Mar 5, 2021 2:39:50 GMT
Thanks Tony Yes I wasn't really satisfied when I drove it home - the steering wheel felt every knock. Its a long weekend (Adelaide Cup!) so I can get busy! Cheers Paddy
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