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| John Deere Tractors Discussion Forum |
Topic: J.D.-70 knock
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| Roy Prins
11-19-2012 16:37:50
96.31.24.201
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My brother has a 70 in the shop that has a knock -- supposedly it was overhauled-and it knocked--so they took off the inspection plate once again and found everything was ok--he ran it that way for years--light duty and not much -- it still knocks for the new owner and he wants the knock fixed-- what could be the knock? i am thinking rings hitting the ridge-- and what should the compression be? this one has 90on the right and 110 on the left-- the noise seems to be on the left-- the flywheel bolts are tight!any thoughts would be helpful-- thank you in advance -- Roys Toys
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| 55deere70
11-20-2012 16:29:36
75.138.191.254
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Re: J.D.-70 knock in reply to Roy Prins, 11-19-2012 16:37:50
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| The flywheel is loose...just because the flywheel bolts are tight, it doesn't mean the flywheel is tight. Sounds just like a knock. Our 70 gas went through two flywheels until I put a taper lock flywheel on it...no more problems.
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| Ol Mo
11-20-2012 04:32:16
204.185.166.101
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Re: J.D.-70 knock in reply to Roy Prins, 11-19-2012 16:37:50
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| What the hell is a rispin? Maybe you mean wrist pin
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| rickdeere
11-20-2012 18:33:27
216.163.13.87
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Re: J.D.-70 knock in reply to Ol Mo, 11-20-2012 04:32:16
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| yell you got it,now whats the answer to knock???
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| rickdeere
11-20-2012 04:01:09
216.163.13.87
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Re: J.D.-70 knock in reply to Roy Prins, 11-19-2012 16:37:50
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| rispin did you ck those ??????
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| buickanddeere
11-19-2012 20:48:25
216.183.155.17
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Re: J.D.-70 knock in reply to Roy Prins, 11-19-2012 16:37:50
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| Until the compression pressure was stated, we had no idea if this was a spark ignition or diesel.
Has anybody checked ignition timing at slow idle and fast idle?
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| 504
11-19-2012 18:50:59
199.127.54.155
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Re: J.D.-70 knock in reply to Roy Prins, 11-19-2012 16:37:50
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| nl00sb
11-19-2012 18:23:13
142.105.177.26
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Re: J.D.-70 knock in reply to Roy Prins, 11-19-2012 16:37:50
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| crankshaft end play? dads puller a had to much endplay and it knocked pritty good till fixed
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| greenday
11-19-2012 17:11:09
216.145.156.69
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Re: J.D.-70 knock in reply to Roy Prins, 11-19-2012 16:37:50
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| Dalet
11-19-2012 16:54:26
184.94.141.146
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Re: J.D.-70 knock in reply to blinwmiaol.com, 11-19-2012 16:37:50
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| Quoting Removed, click Modern View to see
Take it back and I will take if off your hands. I hate seeing issues like this become an issue. Let me know what I need to pay email is open.
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