Reply to "ZF crack question"

bosswrenchMember

Oh yes- the leak: is it in the bottom of the transmission case, maybe a series of small radial cracks in a little bulge? If one drives a Pantera with the speedo driveshaft laying loose in the bottom of the transmission case, chances are extremely likely that a spinning gear will snag the loose shaft and drive it into the aluminum case like a blunt nail, cracking the case from the inside. I've welded up two cases from this happening, once the ZF is out, stripped from the diff and carefully solvent-cleaned. The gears & shafts were not removed from the trans case section for either repair. A VERY thorough inspection of every single tooth in the trans miraculously showed no damage, but the speedo driveshaft gear-end was so badly mauled it was replaced. A few vendors have used spares available; they are very expensive for a 4" shaft but nothing like replacing transmission gears! Good luck.

3/27/152:34 PM

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