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Old 07-24-2012, 04:41 PM
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4L60E transmission case damage

Working on a 1998 Chevy k1500 5.7 350. 4L60E trans. There appears to be some cracks in the rear of the trans case. Also, some pretty large spots slightly smaller than a bb out of the valve side of the case. Does any of this mean I need a new case? Can or should I repair any of these areas?
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Old 07-25-2012, 02:04 AM
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The first pic is nothing to worry about.

In the second pic, those do not look like cracks to me.
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Old 07-25-2012, 01:43 PM
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So no need to worry about any sealing issues with the valve body? Should I file those spots and round them off a little. They are pretty rough spots. That second picture with the cracks look almost like the case coating of some sort if peeling. Thanks for the input!!
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Old 07-25-2012, 01:52 PM
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Take a piece of glass with fine wet/dry sand paper & make sure the Vbody & Case is flat, no high/low spots. 2nd Pic looks fine, just from casting etc..
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