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Timing Chain Game

 
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Al37

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Since: Jul 23, 2004
Posts: 91



(Msg. 1) Posted: Mon Apr 07, 2008 8:50 pm
Post subject: Timing Chain Game
Archived from groups: alt>autos>subaru (more info?)

My '03 6 cyl. 3.0L Outback has only 30K miles on it. Should I be
replacing the timing chain? I don't expect to reach 60K miles for at
least another 5 years.

What's the rule for low mileage Subies?

Al

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Todd H.

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Since: May 04, 2004
Posts: 248



(Msg. 2) Posted: Mon Apr 07, 2008 8:50 pm
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
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Al <no.spam RemoveThis @wanted.com> writes:

> My '03 6 cyl. 3.0L Outback has only 30K miles on it. Should I be
> replacing the timing chain? I don't expect to reach 60K miles for at
> least another 5 years.
>
> What's the rule for low mileage Subies?

Timing chains really shouldn't deteriorate with time like a belt
generally does. I dont' think I'd be thinking about changing that
until at LEAST 60k miles, regardless of age. Of course I'd have it
inspected and would act on anything the inspection found that might
accelerate that schedule.

Are the H6's really scheduled for a new chain at 60k?

--
--
Todd H.
2001 Legacy Outback Wagon, 2.5L H-4
Chicago, Illinois USA

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"Valued Corporate #120,34

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Since: Apr 07, 2008
Posts: 21



(Msg. 3) Posted: Mon Apr 07, 2008 8:50 pm
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
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spamTHISbrp

External


Since: Nov 07, 2005
Posts: 20



(Msg. 4) Posted: Mon Apr 07, 2008 8:50 pm
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
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On Apr 7, 6:03 pm, sub....DeleteThis@toddh.net (Todd H.) wrote:
> Al <no.s....DeleteThis@wanted.com> writes:
> > My '03 6 cyl. 3.0L Outback has only 30K miles on it. Should I be
> > replacing the timing chain? I don't expect to reach 60K miles for at
> > least another 5 years.
>
> > What's the rule for low mileage Subies?
>
> Timing chains really shouldn't deteriorate with time like a belt
> generally does. I dont' think I'd be thinking about changing that
> until at LEAST 60k miles, regardless of age. Of course I'd have it
> inspected and would act on anything the inspection found that might
> accelerate that schedule.
>
> Are the H6's really scheduled for a new chain at 60k?
>
> --
> --
> Todd H.
> 2001 Legacy Outback Wagon, 2.5L H-4
> Chicago, Illinois USA


The H6s have no sched. interval for the chain. The tensioners typ.
wear at 100K, 120K, 150K, or maybe more.

I hear the quality of oil and change interval has a bit to do with the
tensioner/guide life.

http://www.pdxtuning.com/nasioc/PDX-H6-FrontChain2.jpg

http://www.sponaugle.com/nasioc/H6Build/H6Buildup-18.jpg

The chains make a bit of noise, supposedly, when the chain and/or
tensioners need replacement.

Dave
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bigjimpack

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Since: Dec 22, 2007
Posts: 49



(Msg. 5) Posted: Tue Apr 08, 2008 3:01 am
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
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Chains have no maintenance or issues until well after 100k miles. That
is why they are FAR superior to the belts that are forced on us as an
extra moneymaker.

On Apr 7, 4:50 pm, Al <no.s....RemoveThis@wanted.com> wrote:
> My '03 6 cyl. 3.0L Outback has only 30K miles on it. Should I be
> replacing the timing chain? I don't expect to reach 60K miles for at
> least another 5 years.
>
> What's the rule for low mileage Subies?
>
> Al
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Dano58

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Since: Apr 23, 2007
Posts: 75



(Msg. 6) Posted: Tue Apr 08, 2008 7:39 am
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Apr 7, 4:50 pm, Al <no.s....RemoveThis@wanted.com> wrote:
> My '03 6 cyl. 3.0L Outback has only 30K miles on it. Should I be
> replacing the timing chain? I don't expect to reach 60K miles for at
> least another 5 years.
>
> What's the rule for low mileage Subies?
>
> Al

I had heard that the conventional wisdom was to replace the chain the
second time you replaced the water pump.

Dan D
'99 Impreza 2.5 RS (son's)
Central NJ USA
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spamTHISbrp

External


Since: Nov 07, 2005
Posts: 20



(Msg. 7) Posted: Tue Apr 08, 2008 10:56 am
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
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On Apr 8, 10:39 am, Dano58 <dan.dibi....TakeThisOut@gmail.com> wrote:
> On Apr 7, 4:50 pm, Al <no.s....TakeThisOut@wanted.com> wrote:
>
> > My '03 6 cyl. 3.0L Outback has only 30K miles on it. Should I be
> > replacing the timing chain? I don't expect to reach 60K miles for at
> > least another 5 years.
>
> > What's the rule for low mileage Subies?
>
> > Al
>
> I had heard that the conventional wisdom was to replace the chain the
> second time you replaced the water pump.
>
> Dan D
> '99 Impreza 2.5 RS (son's)
> Central NJ USA


Well, how often does *that* go?

Does it leak first, or make noise first?

Dave
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John A.

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Since: Mar 01, 2008
Posts: 3



(Msg. 8) Posted: Wed Apr 09, 2008 7:27 am
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
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"Al" <no.spam DeleteThis @wanted.com> wrote in message news:GOvKj.907$NM.897@trnddc01...
> My '03 6 cyl. 3.0L Outback has only 30K miles on it. Should I be
> replacing the timing chain? I don't expect to reach 60K miles for at
> least another 5 years.
>
> What's the rule for low mileage Subies?
>
> Al

I've read that the chain is supposed to last for the life of the engine. I
believe I've read this in Subaru's "Drive" magazine or on their website.
John

FYI: My '02 VDC H6 Sedan is currently at 102,500; no problems
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Dano58

External


Since: Apr 23, 2007
Posts: 75



(Msg. 9) Posted: Wed Apr 09, 2008 8:16 am
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Apr 8, 1:56 pm, spamTHIS....TakeThisOut@yahoo.com wrote:
> On Apr 8, 10:39 am, Dano58 <dan.dibi....TakeThisOut@gmail.com> wrote:
>
>
>
> > On Apr 7, 4:50 pm, Al <no.s....TakeThisOut@wanted.com> wrote:
>
> > > My '03 6 cyl. 3.0L Outback has only 30K miles on it. Should I be
> > > replacing the timing chain? I don't expect to reach 60K miles for at
> > > least another 5 years.
>
> > > What's the rule for low mileage Subies?
>
> > > Al
>
> > I had heard that the conventional wisdom was to replace the chain the
> > second time you replaced the water pump.
>
> > Dan D
> > '99 Impreza 2.5 RS (son's)
> > Central NJ USA
>
> Well, how often does *that* go?
>
> Does it leak first, or make noise first?
>
> Dave

They generally leak or make a rotational 'noise' when they want
attention.

Dan D
'99 Impreza 2.5 RS (son's)
Central NJ USA
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Clifford Heath

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Since: Aug 23, 2004
Posts: 55



(Msg. 10) Posted: Wed Apr 09, 2008 11:51 pm
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

John A. wrote:
> I've read that the chain is supposed to last for the life of the engine.

This of course is necessarily true, because a broken chain
instantly ends the life of the engine it's in. Smile
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spamTHISbrp

External


Since: Nov 07, 2005
Posts: 20



(Msg. 11) Posted: Thu Apr 10, 2008 6:40 am
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Apr 10, 7:23 am, "John A." <jamason56 at windstream.net> wrote:
> "Clifford Heath" <n... RemoveThis @spam.please.net> wrote in message
>
> news:47fcbbe0$0$20842$afc38c87@news.optusnet.com.au...
>
> > John A. wrote:
> >> I've read that the chain is supposed to last for the life of the engine.
>
> > This of course is necessarily true, because a broken chain
> > instantly ends the life of the engine it's in. Smile
>
> Hah! Funny! However only in an interference engine... and I don't know if
> the 3.0 H6 is interference or not.
> John


I've been told yes, it is.


Dave
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John A.

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Since: Mar 01, 2008
Posts: 3



(Msg. 12) Posted: Thu Apr 10, 2008 7:23 am
Post subject: Re: Timing Chain Game [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Clifford Heath" <no.DeleteThis@spam.please.net> wrote in message
news:47fcbbe0$0$20842$afc38c87@news.optusnet.com.au...
> John A. wrote:
>> I've read that the chain is supposed to last for the life of the engine.
>
> This of course is necessarily true, because a broken chain
> instantly ends the life of the engine it's in. Smile

Hah! Funny! However only in an interference engine... and I don't know if
the 3.0 H6 is interference or not.
John
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