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4t60e got hurt again

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Old Dec 9, 2005 | 02:46 PM
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Default 4t60e got hurt again

yep it is bleeding again when idling and when cooling down. there are 2 drips about 19" apart and will accumlate into 2 small puddles.....about 4" on the one on the driver side of the car and 2" or so on the passenger side. I assume it is a bad gasket, this has started since our temps have got in the negatives...


Will investigate further this evening.

Am I the only one that notices their tranny is gushing out fluid?

I am expecting to see a bad gasket (since I have repalced the lines already on my ssei and that was a no brainer)...if I need to replace the gasket, that is still considered PART of a trans flush right?
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Old Dec 9, 2005 | 02:53 PM
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Check the torque on your bolts. I bet because of the extreme cold one or some aren't up to par any more. I would try retorquing to spec before I would change the gasket.
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Old Dec 9, 2005 | 02:55 PM
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Originally Posted by BillBoost37
Check the torque on your bolts. I bet because of the extreme cold one or some aren't up to par any more. I would try retorquing to spec before I would change the gasket.
oh for sure, on my 89 LE, several bolts were on the verge of falling out ....that leak was an easy fix..


JRs: yep its got the orginal gasket I would assume, not sure if it is the cork variety on this one.... the car has pretty much NEVER EVER been to the shop for anything by myself or the previous oringal owner at least for drivetrain related problems.
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Old Dec 9, 2005 | 10:54 PM
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ok good news and bad news...

bad news: transmission fluid has leaked below the dipstick ...meaning I had to have lost a quart in lets say 4 days.

good news:






Those are good signs...means that the pan is good and the fitting is not dead....

but..


















ouch thats gotta hurt








source of problem, stupid gm hose fittings.
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Old Dec 15, 2005 | 02:22 AM
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after a decent 2 beer job I go the one that connects to the lower part of the radiator...I really hope that is the one becuase it was a pita getting it in there without removing any additional parts...


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Old Dec 15, 2005 | 09:06 AM
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defintally dont want to drive it with that line leaking, it could just basically explode and barf ATF over everything hot under the hood..creating a nice fire..maybe to roast a hotdog or..maybe a 3800..hehe
Mine were leaking, i changed them promptly
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Old Dec 15, 2005 | 10:02 AM
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How are you repairing the connections, for my information?

A little backround info:

Transmission Oil Cooler (TOC) lines were a sore spot for GM for quite a while. I'm not sure if they've worked out the fix yet, since I'm no longer working for that industry. However, during the late '90'*, GM and their suppliers were feverishly working to resolve the problem you just experienced. TOC lines were failing, at the crimped connection, during extremely cold weather.

The source of the problem is the grooved cross-section of the pipe and how it works (or doesn't work sometimes) with the hose liner tube to seal the connection during crimp. There was much design and testing activity to verify and change the groove design, manufacturing methods, and test methods during that period. Not sure what the end result was, as I left before resolution of this problem (to move back to Florida).

Sorry for the windy blah, blah, blah, but thought you might be interested in the root cause of your problem.
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Old Dec 15, 2005 | 10:20 AM
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Replace that oil pan gasket while you're under there!
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