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Jvanner Offline
#1 Posted : Sunday, 21 September 2008 8:14:55 AM(UTC)
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the box in my van was showing its age so i got another M21 to put back in. put a bearing kit thru it. all went back together well. now i have a engine vibration from 2000 to 2500 rpm. either side of this rpm is fine. checked plugs and leads. it doesnt matter if the van is driving or stopped and you just give it a rev and it got a vibration. when i put the box back in. it went in really easily. i didnt rest half way thru. it really has me stumped. any ideas what else i could look for.... thanks.................... Jamie
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#2 Posted : Sunday, 21 September 2008 9:31:02 AM(UTC)
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Did you have the flywheel off?
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#3 Posted : Sunday, 21 September 2008 4:30:48 PM(UTC)
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[blue]Gday Jamie. A bit of cold hard logic required here. What you are describing sounds like an out of balance type vibration. You need to go back over the procedure you followed in replacing the box like - did you remove or loosen anything else - pressu
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#4 Posted : Sunday, 21 September 2008 4:30:48 PM(UTC)
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[blue]G'day Jamie. A bit of cold hard logic required here. What you are describing sounds like an 'out of balance' type vibration. You need to go back over the procedure you followed in replacing the box like - did you remove or loosen anything else - pre
Jacko Offline
#5 Posted : Sunday, 21 September 2008 4:34:11 PM(UTC)
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Gday Jamie. A bit of cold hard logic required here. What you are describing sounds like an out of balance type vibration. You need to go back over the procedure you followed in replacing the box like - did you remove or loosen anything
<b><font color="blue"><h2>Jacko</b></font id="blue"></h2>
Jacko Offline
#6 Posted : Sunday, 21 September 2008 4:34:11 PM(UTC)
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G'day Jamie. A bit of cold hard logic required here. What you are describing sounds like an 'out of balance' type vibration. You need to go back over the procedure you followed in replacing the box like - did you remove or loosen anythi
<b><font color="blue"><h2>Jacko</b></font id="blue"></h2>
Jacko Offline
#7 Posted : Sunday, 21 September 2008 4:35:59 PM(UTC)
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Good at this, aren't I ... NOT

<b><font color="blue"><h2>Jacko</b></font id="blue"></h2>
&lt;b&gt;&lt;font color="blue"&gt;&lt;h2&gt;Jacko&lt;/b&gt;&lt;/font id="blue"&gt;&lt;/h2&gt;
Jacko Offline
#8 Posted : Sunday, 21 September 2008 4:35:59 PM(UTC)
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Good at this, arent I ... NOT

<b><font color="blue"><h2>Jacko</b></font id="blue"></h2>
&lt;b&gt;&lt;font color="blue"&gt;&lt;h2&gt;Jacko&lt;/b&gt;&lt;/font id="blue"&gt;&lt;/h2&gt;
jim Offline
#9 Posted : Sunday, 21 September 2008 8:52:38 PM(UTC)
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Hi .I know this is hard yards but maybe put the other box back in(if you still have it?)and in doing so disturb as little as possible,If the vibration goes its in the BOX ,if not its around the outside.Driving it the way it is will destroy something. just
Jim in Adelaide..
Jvanner Offline
#10 Posted : Monday, 22 September 2008 7:32:07 AM(UTC)
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thanks guys. jacko. i cheated when i did the box. i done up the clutch cable to hold the bearing against the pressure plate and let the clutch and bell housing in place and slipped out the box. and the spigot bush in the crank was renewed 6months ago when
trubluhq Offline
#11 Posted : Monday, 22 September 2008 8:51:43 AM(UTC)
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Could the tailshaft be an issue ?

Cheers John
Jvanner Offline
#12 Posted : Thursday, 25 September 2008 1:02:12 AM(UTC)
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thanks for you help guys. i fixed the problem. i put on a new gear box mount also and the bolts i used were too long. i noticed it when i was ready to drop out the box and seen the box move when i undid the 2 5/8 bolts on the cross member. so i replaced i
playwme Offline
#13 Posted : Thursday, 25 September 2008 6:40:11 AM(UTC)
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Good work. It feels good when its something simple and easy to rectify.
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