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#1
02-11-2013, 07:23 PM
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Kohler 22HP knocking noise
This rebuilt Kohler 22 HP has approximately 50 hrs and ran flawless all summer long last year. I warmed the engine up to change the oil and filter,restarted and it ran fine. Today I did some rewiring and started it up but now has a loud knocking sound,pulled the V/C's and found no bent P/R's and the lifters do seem to be pumping up as there was no excessive play in the R/A's. Has anyone ever run into this situation just by changing the oil or am I looking at reopening this engine again?
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#2
02-11-2013, 07:37 PM
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Did you use the correct oil filter..??
Are you sure you don't have a bad hydro idler pulley or a chunk out of the belt..?? Is it a horizontal engine.??? Describing noises on the internet can be a challenge.... Knocks...ticks...clacks...clunks..etc....
__________________
If You Have All The Answers...Except The One You Need...You're Not Trying Hard Enough... Do The Work
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#3
02-11-2013, 07:52 PM
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Kohler filter and it's belt drive. It's has a rough exhaust pulse at idle and slightly higher RPM. Both plugs are firing. Is there a oil pressure tap on the block? Vertical.
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#4
02-11-2013, 07:54 PM
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Quote:
Your slip'n Slapper...... You left out the most important one...... Rattle ! 
__________________
Quote:
 "Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!
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#5
02-11-2013, 08:29 PM
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If it ran ok after the oil change and then didn't after the wiring, maybe the wiring is the cause. What did you rewire?
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#6
02-12-2013, 06:59 AM
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Without knowing the nature of the electrical work you perfomed...here's a guess...
The only electrical repairs that I can think of that can give you a knock are... While replacing the stator...the flywheel magnets came loose..making the flywheel out of balance.. While replacing the clutch..the bracket that keeps the clutch assy from spinning with the engine ...wasn't tightened and came loose.. The clutch is banging against everything it can reach... This stuff is easier to diagnose with mower and engine numbers....
__________________
If You Have All The Answers...Except The One You Need...You're Not Trying Hard Enough... Do The Work
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#7
02-12-2013, 06:14 PM
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Quote:
I read all the horror stories of these commands with lifter pumping issues,so now I can officially call these command engines APOS  Can't believe I dumped all this money in getting it rebuilt but now I know better and will be replacing it with a vanguard. What's the going price for used 22 command with lifter issues?Thank you all for giving some assistance on this matter.
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#8
02-12-2013, 06:50 PM
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Quote:
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#9
02-12-2013, 07:08 PM
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Quote:
You have the first lifter that caused an engine to KNOCK....they tick and click..but never KNOCK.. You don't have a Kohler problem...just a problem with the guy that doesn't know how to rebuild a Command Twin...
__________________
If You Have All The Answers...Except The One You Need...You're Not Trying Hard Enough... Do The Work
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