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Loud rattle when cold
  #1  
Old 10-05-2020, 06:18 AM
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Benengel Benengel is offline
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Default Loud rattle when cold

Hey guys,
I know diesel are meant to have a little rattle to them.
But is there anything you can do for it?
It doesnt rattle every time it's cold but when it does it's pretty loud and only goes away once warm.
It's most noticable when accelerating between 1-2k rpms
I do oil and fuel changes every 5-10k depending on money in the bank and how ita been driven
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2011 2.5ltd dble cab d22
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Old 10-05-2020, 05:27 PM
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They're not as bad as the old rodeos with the Isuzu motor in them haha, they were nasty.

Mine is a lot quieter since changing the exhaust, it's not just from the extra noise of the exhaust either haha. It is not bad when cold if you're gentle with it when accelerating, but used to be a lot louder with the factory exhaust.

Some people recommend putting 2 stroke oil in when you put fuel in to help make injectors quieter, the 10ppm sulphur diesel we use now has a lot less lubrication qualities than the older fuels, but the components should be designed with that in mind. Some say the 2 stroke helps, I can't say either way as I've never used it.
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Old 11-05-2020, 07:39 AM
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Benengel Benengel is offline
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Haha yeah cheers for the reply,
I pretty much just "nurse" it if it having a bad morning till it warms up and plays the game.
Don't know how I feel about adding 2t oil into a common rail i can see the benefits but seems a little odd imo.
It can stay in my 250s tank haha
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2011 2.5ltd dble cab d22
Mcc bullbar & rear bar, sherpa 4x4 snorkel, gme uhf, egr blank off, 6.5" front speakers ,2inch efs lift, 180w spotties, custom door cards, 3inch exhaust, and a empty wallet
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Old 11-05-2020, 10:28 AM
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Infernal Infernal is offline
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While this may sound odd, next time you have a rattle, spray your belts and pulleys with water, if the sound goes away then you have found your problem.

Had the same issue with my 22, everyone said Timing Chain, used to tick loudly when it I had been through water.
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Old 12-05-2020, 11:16 AM
someguy360 someguy360 is offline
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I know the belt tensioner can cause loud rattles when it's starting to let go.

Also your glow plugs could be worn and when the engines cold your not getting enough cylinder temperature and your not getting a good clean burn, just an idea.
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