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Chrysler 4.0 liter - Timing chain or belt?

 
ngpost1
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      01-17-2008
Does the Chrysler 4.0 liter that you can get in the 2008 Town and
Country and Dodge Grand Caravan have a timing chain or belt?
 
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maxpower
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      01-17-2008

"ngpost1" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Does the Chrysler 4.0 liter that you can get in the 2008 Town and
> Country and Dodge Grand Caravan have a timing chain or belt?


Belt


Glenn Beasley
Chrysler Tech


 
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Steve
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      01-17-2008
ngpost1 wrote:
> Does the Chrysler 4.0 liter that you can get in the 2008 Town and
> Country and Dodge Grand Caravan have a timing chain or belt?


Belt. That engine is based on the 3.5L v6, so it shares the same belt
arrangement. The good news is that the 3.5 very rarely breaks a timing
belt, even when people go past the recommended change mileage.
 
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maxpower
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      01-17-2008

"Steve" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> ngpost1 wrote:
> > Does the Chrysler 4.0 liter that you can get in the 2008 Town and
> > Country and Dodge Grand Caravan have a timing chain or belt?

>
> Belt. That engine is based on the 3.5L v6, so it shares the same belt
> arrangement. The good news is that the 3.5 very rarely breaks a timing
> belt, even when people go past the recommended change mileage.


The other good news is if the belt does break before the replacement is due
on the belt. The lifetime powertrain warranty would kick in

Glenn Beasley
Chrysler Tech


 
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Ted Mittelstaedt
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      01-19-2008

"maxpower" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
>
> "Steve" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
> > ngpost1 wrote:
> > > Does the Chrysler 4.0 liter that you can get in the 2008 Town and
> > > Country and Dodge Grand Caravan have a timing chain or belt?

> >
> > Belt. That engine is based on the 3.5L v6, so it shares the same belt
> > arrangement. The good news is that the 3.5 very rarely breaks a timing
> > belt, even when people go past the recommended change mileage.

>
> The other good news is if the belt does break before the replacement is

due
> on the belt. The lifetime powertrain warranty would kick in
>


That isn't going to help people buying them used, which is going to
affect resale value I would think - is this an interference engine or not?

Ted


 
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maxpower
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      01-19-2008

"Ted Mittelstaedt" <(E-Mail Removed)> wrote in message
news:newscache$g7iwuj$kei1$(E-Mail Removed)...
>
> "maxpower" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
> >
> > "Steve" <(E-Mail Removed)> wrote in message
> > news:(E-Mail Removed)...
> > > ngpost1 wrote:
> > > > Does the Chrysler 4.0 liter that you can get in the 2008 Town and
> > > > Country and Dodge Grand Caravan have a timing chain or belt?
> > >
> > > Belt. That engine is based on the 3.5L v6, so it shares the same belt
> > > arrangement. The good news is that the 3.5 very rarely breaks a timing
> > > belt, even when people go past the recommended change mileage.

> >
> > The other good news is if the belt does break before the replacement is

> due
> > on the belt. The lifetime powertrain warranty would kick in
> >

>
> That isn't going to help people buying them used, which is going to
> affect resale value I would think - is this an interference engine or not?
>
> Ted
>
>

I have never seen a timing belt break on one of these vehicles due to
mileage. This engine does not have a free wheeling valve train


 
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Steve
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      01-22-2008
Ted Mittelstaedt wrote:
> "maxpower" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
>
>>"Steve" <(E-Mail Removed)> wrote in message
>>news:(E-Mail Removed). ..
>>
>>>ngpost1 wrote:
>>>
>>>>Does the Chrysler 4.0 liter that you can get in the 2008 Town and
>>>>Country and Dodge Grand Caravan have a timing chain or belt?
>>>
>>>Belt. That engine is based on the 3.5L v6, so it shares the same belt
>>>arrangement. The good news is that the 3.5 very rarely breaks a timing
>>>belt, even when people go past the recommended change mileage.

>>
>>The other good news is if the belt does break before the replacement is

>
> due
>
>>on the belt. The lifetime powertrain warranty would kick in
>>

>
>
> That isn't going to help people buying them used, which is going to
> affect resale value I would think - is this an interference engine or not?
>
> Ted


Its not freewheeling (the first-gen 3.5 was, but the 2nd gen and 4.0 are
not). However, it really does appear that the belt nearly never breaks
on these engines. Its sorta like the opposite of the Spirit R/T engine
that ate a belt every 10,000 miles, I guess ;-) I've seen one 3.5L belt
fail due to extreme neglect (well over 150k miles) combined with the
water pump failing and chewing up the belt. But I've also seen a
waterpump fail and the belt *not* fail despite getting smoking-hot on
the seized water pump pulley. The engine started to overheat due to the
stopped waterpump and the driver (my wife) pulled over before the belt
or the engine was damaged.
 
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