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replacing fan clutch/coupling - How to's
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smj999smj
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Joined: 22 Jan 2012
Posts: 5054
Location: Prospect, VA

PostPosted: Wed Oct 28, 2015 8:22 pm    Post subject: Reply with quote

wizeguy wrote:
smj999smj wrote:
Try CourtesyParts.com or NissanPartsDeal.com. It'll probably be $30-40 cheaper.

Cool gonna check it out... BTW I see your a moderator .. Is there a for sale section on here? Wanting to get a used Pathfinder (2008-2012) for the wife


We have a "classifieds" section, but it is mostly parts. Occasionally you might find someone selling the whole vehicle.

http://www.thenissanpath.com/viewforum.php?f=16
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2006 Pathfinder LE VQ40DE AWD, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks, Doug Thorley shortie headers and mid-pipes, Magnaflow 12580 muffler, aFe Momentum GT CAI w/ dry filter, XTP plenum spacer, Superchips Flashpaq tuner
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paintufast



Joined: 06 Nov 2015
Posts: 2

PostPosted: Fri Nov 06, 2015 7:26 pm    Post subject: Reply with quote

Is a symptom of this fan clutch going bad that your fan will appear "loose" i.e. you can grasp it and wiggle it about 1" at the ends of the blades?

My truck is also very loud, sounds like a semi and I just thought this was normal. And I get 15mpg normal, 18hwy, and I am not betting that actually I needed a fan clutch this whole time.

Anyone have input on the fan blade being loose like mine is. Is this ok to drive a few more days while I wait for a part to arrive?
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smj999smj
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Joined: 22 Jan 2012
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Location: Prospect, VA

PostPosted: Fri Nov 06, 2015 7:48 pm    Post subject: Reply with quote

The looseness in the fan could be due to a bad fan bracket assembly; sometimes the bearing will fail and cause play in the shaft, causing the fan to wobble. There have been some issues with aftermarket versions of the fan bracket, so still with genuine Nissan parts.
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2006 Pathfinder LE VQ40DE AWD, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks, Doug Thorley shortie headers and mid-pipes, Magnaflow 12580 muffler, aFe Momentum GT CAI w/ dry filter, XTP plenum spacer, Superchips Flashpaq tuner
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paintufast



Joined: 06 Nov 2015
Posts: 2

PostPosted: Sat Nov 07, 2015 7:46 am    Post subject: Reply with quote

smj999smj wrote:
The looseness in the fan could be due to a bad fan bracket assembly; sometimes the bearing will fail and cause play in the shaft, causing the fan to wobble. There have been some issues with aftermarket versions of the fan bracket, so still with genuine Nissan parts.


FYI, I dug into it today. The issue is entirely my fan clutch. From what I understand this thing is filled with a liquid normally. Clearly that liquid has leaked out all of the clutch and fan. So now the fan is almost entirely locked up and doesn't spin freely at all. Also the fan clutch is 100% where the wobble is coming from.

I am on the way to the dealership shortly to get a replacement part.

Hopefully this info helps someone else!
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paradigm



Joined: 21 Feb 2018
Posts: 54

PostPosted: Wed Jan 09, 2019 9:37 am    Post subject: Reply with quote

I know this is an old thread, but I figured I would try here.

My 2010 with 90k miles has a loud fan on start up, it sounds like the vehicle is "roaring". It gets quieter once warmed up, but then under load when driving, the fan gets louder as engine speed rises.

My fuel mileage has gotten extremely bad, and I suspect that this roaring fan is contributing.


Would the clutch replacement help my issue?
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disallow
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Joined: 13 Aug 2008
Posts: 2683
Location: Winnipeg, Canada

PostPosted: Fri Jan 11, 2019 1:51 pm    Post subject: Reply with quote

I'm going to say the fuel economy issue is separate.

That being said, nobody wants to be driving around the Costco parking lot sounding like a hovercraft. I've tried both aftermarket and OEM Nissan fan clutches, and based on my experience, you have to go with OEM.

Its an easy job, takes about 30 minutes. And it will quiet things down a lot.
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Terry in Winnipeg

'05 Pathfinder SE Premium 4x4 - 315000kms (195000mi) - weekend warrior, Cortex Superchips on 87 Octane Tune, K&N filtercharger, Airlift 1000, Prodigy Brake controller, 7 pin trailer hookup, Prostart Remote Starter, Bilstein 4600 rear shocks, Cooper Discoverer ATw P265/70/16
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paradigm



Joined: 21 Feb 2018
Posts: 54

PostPosted: Tue Jan 22, 2019 8:20 am    Post subject: Reply with quote

Has anyone had any luck with any particular aftermarket clutch? I was hoping to buy a $50-70 aftermarket clutch in lieu of the OEM 21082-EA200 $200 piece.
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smj999smj
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Joined: 22 Jan 2012
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Location: Prospect, VA

PostPosted: Tue Jan 22, 2019 10:43 am    Post subject: Reply with quote

Stick with genuine Nissan. You should be able to get it for $175 from NissanPartsDeal.com or CourtesyParts.com. Aftermarket fan clutches have always had issues on Nissans for whatever reasons, including the pre-2005 trucks.
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2006 Pathfinder LE VQ40DE AWD, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks, Doug Thorley shortie headers and mid-pipes, Magnaflow 12580 muffler, aFe Momentum GT CAI w/ dry filter, XTP plenum spacer, Superchips Flashpaq tuner
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paradigm



Joined: 21 Feb 2018
Posts: 54

PostPosted: Tue Feb 19, 2019 8:22 am    Post subject: Reply with quote

I replaced the fan clutch this past weekend with an OEM unit, and the truck is extremely quiet now. One of the nuts attaching the fan clutch to the pulley was stripped, so I had to go to a mechanic to have him take off that one bolt.

However my heat isn't working. I removed the radiator top hose to wiggle out the upper rad shroud, and in the process spilled some rad fluid. Is it possible I either introduced air in the system, or I am low on rad fluid which is adversely impacting the heating?
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disallow
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Joined: 13 Aug 2008
Posts: 2683
Location: Winnipeg, Canada

PostPosted: Tue Feb 19, 2019 9:35 am    Post subject: Reply with quote

I'd just top it off.
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Terry in Winnipeg

'05 Pathfinder SE Premium 4x4 - 315000kms (195000mi) - weekend warrior, Cortex Superchips on 87 Octane Tune, K&N filtercharger, Airlift 1000, Prodigy Brake controller, 7 pin trailer hookup, Prostart Remote Starter, Bilstein 4600 rear shocks, Cooper Discoverer ATw P265/70/16
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smj999smj
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Joined: 22 Jan 2012
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Location: Prospect, VA

PostPosted: Tue Feb 19, 2019 11:02 am    Post subject: Reply with quote

Top off the coolant and park it uphill (nose uphill). Start the engine, turn front and rear heaters on maximum heat settings and run the engine 2000-3000 RPM for 10 mins. or until hot air comes out of the heater vents.
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2006 Pathfinder LE VQ40DE AWD, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks, Doug Thorley shortie headers and mid-pipes, Magnaflow 12580 muffler, aFe Momentum GT CAI w/ dry filter, XTP plenum spacer, Superchips Flashpaq tuner
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