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Thoughts on cause of intermediate shaft problem
by
jimfoo
on 14 Jul, 2013 17:11
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Now it may, or may not be related to this problem, so I just want to be sure.
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#1
by
TylerDurden
on 14 Jul, 2013 17:41
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First thought: "Well, that sucks..."
Next thought: How much play was in the bearings?
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#2
by
jimfoo
on 14 Jul, 2013 17:56
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On the shaft? None that I could feel. Hoping it was just a metal piece that caused the shaft to be pulled backwards when my main cap/bolds let go, which caused the hole...
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#3
by
CRSMP5
on 14 Jul, 2013 21:15
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the rod hit it.. when poking hole in block.. that broke the flange off..
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#4
by
TylerDurden
on 14 Jul, 2013 21:22
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If that's the case, perhaps there's a witness mark.
I was thinking along the lines of asymmetric load on the flange, causing long term stress fracture.
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#5
by
CRSMP5
on 14 Jul, 2013 21:34
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try using one to install a bearing.. pops it right off 1st smack.. takes no force at all to break it.. think of how a side ways hit would load it.. back in 94 the im shaft bearings becme junk and needed honed to fit properly.. trying to figure out what was going on i broke one..
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#6
by
theman53
on 14 Jul, 2013 23:19
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My 84 had that broke off and it ran for 100,000 after I saw it. It was broken before I bought it. I could see its cause. The PO had pried on the IM pulley and broke pieces off of it. I think he pried on it in the block and it got worked at that time.
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#7
by
jimfoo
on 15 Jul, 2013 09:03
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Just for the record, the rod did not break. the engine ran just fine after the hole happened, just that there was a bit more oil leaking than normal, and a bit more smoke as all that oil hit the exhaust...
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#8
by
CRSMP5
on 15 Jul, 2013 14:10
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thats interesting... ok what ever vibration cracked th eblock to loose that chunk.. in sure did not help that shaft to not break... id also pitch the crank.. something major wrong there..
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#9
by
theman53
on 15 Jul, 2013 18:33
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nah the crank is probably fine, the chunk was his main cap coming apart. This was #2 of 3 right now that I can think of that had the main cap leave the block.
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#10
by
CRSMP5
on 15 Jul, 2013 21:47
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that hit it then....
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#11
by
fatmobile
on 18 Jul, 2013 01:13
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Was the timing belt running to the outer edge on the injection pump sprocket?
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#12
by
jimfoo
on 22 Jul, 2013 19:15
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I have no clue on the belt, but I think it was fairly centered