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25th November 2021, 05:06 PM
#1
TD42ti bad knocking on warm up
Every morning when I start my td42ti motor I get a bad knocking sound which becomes a very faint knocking sound when warm. Had a heap of stuff looked at and so far no success. Tappets, injectors, timing, crank, big end bearings, looked in the bell housing but all of these appear spot on. Any other ideas on what it could be.
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25th November 2021 05:06 PM
# ADS
Circuit advertisement
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25th November 2021, 07:13 PM
#2
The master farter
Mine does it too. Done it since the new motor. Never really worried about it to be honest.
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25th November 2021, 07:49 PM
#3
Originally Posted by
mudski
Mine does it too. Done it since the new motor. Never really worried about it to be honest.
How many kms have you done and by new do you mean rebuilt? If so this has also been rebuilt
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25th November 2021, 07:53 PM
#4
The master farter
Originally Posted by
Mitch_11
How many kms have you done and by new do you mean rebuilt? If so this has also been rebuilt
Maybe 40 thou on it. And yes fully rebuilt motor.
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25th November 2021, 08:04 PM
#5
Ahh yep, sounds like a proper knock? If so exactly same circumstance
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25th November 2021, 08:53 PM
#6
The master farter
Yeah not sure what it is but I did hear it on another TD a while back and they weren't concerned about it. I'll worry about it if the engine breaks. :P
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25th November 2021, 09:21 PM
#7
.........
Far from a mechanic me Gents but could it be possible that our old TD42 donks may need some Pushrod cleaning internally?
Just thinking with symptoms described like blocked human arteries that oil may not make its way up to the rocker, or two maybe, until warmer and more viscous flowing possibly, honestly dunno?
Sent from my iPhone using Tapatalk
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26th November 2021, 05:53 AM
#8
What could be a possible test to that?
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26th November 2021, 08:52 AM
#9
mmm will just throw in what I know ...
I do machine work for a local Injection shop . The set up specifications for the pump dont seam to be right . to much advance !
After my pump was done up its so much Quieter on start up . Huge difference . doesn't sound like a Bomb .
and it gets cold here ..
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The Following User Says Thank You to Tip12345 For This Useful Post:
mudski (26th November 2021)
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26th November 2021, 10:43 AM
#10
Originally Posted by
Tip12345
mmm will just throw in what I know ...
I do machine work for a local Injection shop . The set up specifications for the pump dont seam to be right . to much advance !
After my pump was done up its so much Quieter on start up . Huge difference . doesn't sound like a Bomb .
and it gets cold here ..
Have had the timing looked at and injectors checked, unfortunately both are good!
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