mack88
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Everything posted by mack88
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Hi there,i have mack 350 i had new head gaskets put on.I had one back one that was leaking but just to the outside,this was last fall.So i waited until this spring to get that fixed know i now have some blow by. not a lot if i let it idle for say ten minutes it leaves a 3inch spot on the pavement.should i be concerned about this,or what might be the cause of it,or how i might fix it.the heads were fluxed so i asume they should be good.thanks
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I thought i should change the tranny oil in it.I wasen't surprized to find filling and some small chuncks of metal stuck to the drain plugs,so maybe that is why it grinds,but sometimes it will slip ever so nicely into 11 but grind abit into 12th.
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thanks for that link,like i said great site.o by the way i am from up in canada,Saskatchewan.
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Hi there great site. does anyone know why my 12speed grinds in the top two gears up or down but not in the bottom three. split shift or strait shift.truck has close to 500,000 K.M on it. i changed tranny oil there were some fillings in there some small metals to. I have read that these would grind but i don't know if it should grind when you split shift,using the jake helps on the strait shifting. Ithink mack is one of the best trucks around i just don't know about there trannys,but it could just be me to,kind of green on driving truck after 22 year delay.thanks again
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mack88
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