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pushrod
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Travo View Drop Down
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Joined: 03 May 2015
Location: IOWA
Points: 22 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Travo Quote  Post ReplyReply Direct Link To This Post Topic: pushrod
    Posted: 16 Aug 2015 at 12:38pm
Hello all,

I recently had some performance issues with my D12. I thought that it may have been a stuck valve due to the shotgun sound during operation etc. After removing the valve cover and thumbing around, I noticed that one of my pushrods had broken. My question is, do i complete an engine overhaul since I will be removing the head anyways? Should I just try and replace the single rod, entire set?


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DiyDave View Drop Down
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Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 50602 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 16 Aug 2015 at 4:24pm
I'd try just getting a new push rod and replacing it, then adjusting the valves.  Which valve was it on?
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Joined: 28 May 2014
Location: missouriu
Points: 5976 		Post Options Post Options   Thanks (0) Thanks(0)   Quote pinball Quote  Post ReplyReply Direct Link To This Post Posted: 16 Aug 2015 at 9:10pm
if my memory is correct if you remove the rocker arm and pull your rod out. question is is it broke or bent. heard of them getting bent but never heard of one breaking. let us know. norm
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Joined: 16 Aug 2011
Location: SW New York
Points: 689 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dozer Quote  Post ReplyReply Direct Link To This Post Posted: 17 Aug 2015 at 7:01am
The important question is was the valve with the damaged pushrod functioning? If a valve is stuck open there should be little damage. If an exhaust valve is stuck closed there will be problems if the motor was operated for any period.

Check for stuck valves.
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DiyDave View Drop Down
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Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 50602 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 17 Aug 2015 at 6:12pm
That's why I asked which valve.  Exhaust valves closest to the center, where the exhaust pipe brings in water, if the machine is left out in the weather, are most likely, unless it was not sitting level...
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