Re: lifepan of a 4.0?
 

"D&LBusch" <diver@frontiernet.net> wrote in message
news:UCjTi.19669$B25.17656@news01.roc.ny...
> I'm looking to purchase an older Cherokee (95-2001). Assuming proper
> maintenance, what is a reasonalbe lifespan of the 4.0 engine? Is there
> anything unusual to look out for?
> Thanks, David
>

The 4.0 in my YJ is at 220K km and the 4.0 in my ZJ it is at 291K km.

Re: lifepan of a 4.0?
 

"D&LBusch" <diver@frontiernet.net> wrote in message
news:UCjTi.19669$B25.17656@news01.roc.ny...
> I'm looking to purchase an older Cherokee (95-2001). Assuming proper
> maintenance, what is a reasonalbe lifespan of the 4.0 engine? Is there
> anything unusual to look out for?
> Thanks, David
>

The 4.0 in my YJ is at 220K km and the 4.0 in my ZJ it is at 291K km.

Re: lifepan of a 4.0?
 

"D&LBusch" <diver@frontiernet.net> wrote in message
news:UCjTi.19669$B25.17656@news01.roc.ny...
> I'm looking to purchase an older Cherokee (95-2001). Assuming proper
> maintenance, what is a reasonalbe lifespan of the 4.0 engine? Is there
> anything unusual to look out for?
> Thanks, David
>

The 4.0 in my YJ is at 220K km and the 4.0 in my ZJ it is at 291K km.

Re: Re: lifepan of a 4.0?
 

On Tue, 23 Oct 2007 06:22:28 -0500, "DougW"
<I.only.read.usenet@invalid.address> wrote:

>139,382 miles here, all but the first 50,000 under a blower.
>So as ufatbastehd says, "with proper maintenance."
>
>The timing chain is the only b


Crank Position Sensor can stop on cold suddenly when it goes bad with
age.
-----------------
TheSnoMan.com

Re: Re: lifepan of a 4.0?
 

On Tue, 23 Oct 2007 06:22:28 -0500, "DougW"
<I.only.read.usenet@invalid.address> wrote:

>139,382 miles here, all but the first 50,000 under a blower.
>So as ufatbastehd says, "with proper maintenance."
>
>The timing chain is the only b


Crank Position Sensor can stop on cold suddenly when it goes bad with
age.
-----------------
TheSnoMan.com

Re: Re: lifepan of a 4.0?
 

On Tue, 23 Oct 2007 06:22:28 -0500, "DougW"
<I.only.read.usenet@invalid.address> wrote:

>139,382 miles here, all but the first 50,000 under a blower.
>So as ufatbastehd says, "with proper maintenance."
>
>The timing chain is the only b


Crank Position Sensor can stop on cold suddenly when it goes bad with
age.
-----------------
TheSnoMan.com

Re: Re: lifepan of a 4.0?
 

On Tue, 23 Oct 2007 04:18:23 -0700, ufatbastehd <ufatbasted@gmail.com>
wrote:

>I cannot speak from experience my 4.0 only has 127,000 miles, but
>others have said mine is just broken in and over 200,000 is common
>WITH PROPER MAINTENANCE.

Yes, proper maintainance is key here

>
>If that rig has the AX-15 that will go before the engine


People that have trouble with AX15's generally either beat them or
never change the lube in them. You "should" change the lube in it
every 30 or 40K if max life is your goal.
-----------------
TheSnoMan.com

Re: Re: lifepan of a 4.0?
 

On Tue, 23 Oct 2007 04:18:23 -0700, ufatbastehd <ufatbasted@gmail.com>
wrote:

>I cannot speak from experience my 4.0 only has 127,000 miles, but
>others have said mine is just broken in and over 200,000 is common
>WITH PROPER MAINTENANCE.

Yes, proper maintainance is key here

>
>If that rig has the AX-15 that will go before the engine


People that have trouble with AX15's generally either beat them or
never change the lube in them. You "should" change the lube in it
every 30 or 40K if max life is your goal.
-----------------
TheSnoMan.com

Re: Re: lifepan of a 4.0?
 

On Tue, 23 Oct 2007 04:18:23 -0700, ufatbastehd <ufatbasted@gmail.com>
wrote:

>I cannot speak from experience my 4.0 only has 127,000 miles, but
>others have said mine is just broken in and over 200,000 is common
>WITH PROPER MAINTENANCE.

Yes, proper maintainance is key here

>
>If that rig has the AX-15 that will go before the engine


People that have trouble with AX15's generally either beat them or
never change the lube in them. You "should" change the lube in it
every 30 or 40K if max life is your goal.
-----------------
TheSnoMan.com

Re: Re: lifepan of a 4.0?
 

SnoMan wrote:
> On Tue, 23 Oct 2007 06:22:28 -0500, "DougW"
> <I.only.read.usenet@invalid.address> wrote:
>
>> 139,382 miles here, all but the first 50,000 under a blower.
>> So as ufatbastehd says, "with proper maintenance."
>>
>> The timing chain is the only b
>
>
> Crank Position Sensor can stop on cold suddenly when it goes bad with
> age.

rilly. :) no kiddin.

Mine gave me a warning by cutting out every time I slowed to a stop.

--
DougW