2008 Pathfinder w/275k miles

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beegeezy
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Joined: Mon Apr 25, 2022 8:27 am
Location: Georgetown, TX

Re: 2008 Pathfinder w/275k miles

Postby beegeezy » Sun May 01, 2022 6:27 am

It looks like the original radiator so I'll check the part number after I pick it up. I asked the tech about the SMOD and he said generally it was higher mileage trucks. I don't want to risk it though, so if it's the older SMOD-prone radiator I'll swap it out.


TooMuchControl
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Location: Torontah

Re: 2008 Pathfinder w/275k miles

Postby TooMuchControl » Sun May 01, 2022 7:54 am

If you choose to do so, if you perform the bypass, the risk is eliminated.

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palmerwmd
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Re: 2008 Pathfinder w/275k miles

Postby palmerwmd » Sun May 01, 2022 11:19 am

You can either do the bypass or put in a new radiator.
Either will eliminate the threat to your (otherwise nearly bulletproof) transmission.

There is a school of thought ( to which I also belong) that considers radiator replacement the best practices solution over the bypass
But the other school of thought points out to a great many Pathfinders running on bypass, a nearly free solution, for 100 000 miles with no discernable ill effects.

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smj999smj
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Re: 2008 Pathfinder w/275k miles

Postby smj999smj » Sun May 01, 2022 8:00 pm

If you're going to replace the radiator, you might as well replace the heater pipes on the firewall before they break!

beegeezy
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Location: Georgetown, TX

Re: 2008 Pathfinder w/275k miles

Postby beegeezy » Mon May 02, 2022 6:42 am

I hadn't heard that the heater pipes were failure prone. Any other weak points I should look over? Is this already covered in a sticky or FAQ somewhere? Thanks everyone!

Edit: I know about the SMOD and timing chain as potential weaknesses on 05-~10 VQ40DE engines. I'm mostly concerned with things to be cognizant about...potential catastrophic failure points or things that will leave me stranded. I am aware that all vehicles will have wheel bearings fail, need suspension parts, etc., so if it's not especially failure-prone, no need to mention it. Thanks again!

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palmerwmd
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Re: 2008 Pathfinder w/275k miles

Postby palmerwmd » Wed May 11, 2022 5:33 pm

beegeezy wrote:
Mon May 02, 2022 6:42 am
I hadn't heard that the heater pipes were failure prone. Any other weak points I should look over? Is this already covered in a sticky or FAQ somewhere? Thanks everyone!

Edit: I know about the SMOD and timing chain as potential weaknesses on 05-~10 VQ40DE engines. I'm mostly concerned with things to be cognizant about...potential catastrophic failure points or things that will leave me stranded. I am aware that all vehicles will have wheel bearings fail, need suspension parts, etc., so if it's not especially failure-prone, no need to mention it. Thanks again!
I wouldn't sweat the timing chains too much.
Its only a fraction of vehicles in those years and you get lots of prior warning.


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