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View Poll Results: What Oil Filter Choices Have You Made?
I've never had a timing chain fail 47 75.81%
My timing chain has failed, only ever had genuine oil filters 6 9.68%
My timing chain has failed, used aftermarket oil filters 9 14.52%
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Timing Chain Failures and Oil Filters
  #1  
Old 16-02-2015, 08:06 AM
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Default Timing Chain Failures and Oil Filters

I'm looking to see if there's a trend with timing chain failures - are they related to oil filter choice?

If you have had a timing chain fail on you, this poll is for you!

Comments/extra discussion is welcome.
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Old 16-02-2015, 08:13 AM
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Tony are your thoughts that the aftermarket filters are restricting the oil flow to this area?.
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Old 16-02-2015, 08:32 AM
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I think it's more that the non-return valve on aftermarket filters may not be suitable for the 'upside down' mounting on the YD25, allowing the oil to drain out overnight and thus causing the chain to run without tension for a while every time you start it up.

Unfortunately there are not really actually that many timing chain failures, and a lot of the failures would be on second hand vehicles, so the current owner would have no idea about past service parts.

But a good idea to try and see if there is any correlation!
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Old 16-02-2015, 09:41 AM
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It's less a case of possible restriction but more a case as kernels says that there's a 'dry running' period on cold start because the filter empties out. The actual failure of the timing chains seems to be caused by a tensioner that's not doing its job and I'm wondering if the choice of oil filter is causing the damage to the tensioner, which has the obvious consequences.
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Old 16-02-2015, 09:51 AM
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Interesting thought. I had put it down to a crappy design over all. I wonder if there is some issue with the oil leaking out of the tensioner while at rest and running and perhaps causing a lower pressure in the tensioner allowing the chain to run a bit slacker than ideal.
Perhaps the chain setup is not all that bad and the tensioner is the weak link...?
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Old 16-02-2015, 12:22 PM
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I had a normally running thai d40...i fitted a ryco and i had top tensioner noise on cold startup...changed to a gen nissan and its perfect again.enough said for me never to use ryco on my d40
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Old 16-02-2015, 08:11 PM
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As far as I know my navara was only ever serviced at the dealer so my guess is it has had original oil filters used chain failed at 130 ish
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Old 17-02-2015, 02:30 AM
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Quote:
Originally Posted by camo.b View Post
I had a normally running thai d40...i fitted a ryco and i had top tensioner noise on cold startup...changed to a gen nissan and its perfect again.enough said for me never to use ryco on my d40
I do remember reading somewhere ( don't remember where or what type of cars ) that there was a batch of aftermarket filters that had faulty bypass valves that were causing problems.
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Old 17-02-2015, 02:43 AM
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Hmm very interesting...few blokes from queensland had the same issues i had with ryco but some do not..they always run ryco....still off my list.not worth the risk id say
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Old 17-02-2015, 04:06 AM
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I first discovered this with ryco and tried several other brands, Sakure, Donaldson all with the same results, noisy tensioner on start up. Nissan filter fixed it every time.
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