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'01 Pathfinder - weird whistling engine sound

9 messages,  Last post on Jun 09, 2008 at 9:18 AM

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#5 of 9 Re: '01 Pathfinder - weired whisteling engine sound [rafay] by joehanson1984 Mar 11, 2007 (9:00 pm)
Replying to: rafay (Aug 18, 2006 6:52 am) Im having the same problem with my 00' Pathfinder LE 4x4 except Im getting the noise from about 45-65 and from 75-90..... Replies to this message: khurram (Jul 04, 2007 1:10 pm)
#6 of 9 Re: '01 Pathfinder - weired whisteling engine sound [joehanson1984] by khurram Jul 04, 2007 (1:10 pm)
Replying to: joehanson1984 (Mar 11, 2007 9:00 pm) I am having similar problems. Anyone found any solution yet. Waiting for warranty to transfer so I can take the car to the dealer.   Hello, I just bought a used pathfinder 20001 se, with 60k miles on it. Nearly Everything works fine, as it is still under extended warranty.    There is one thing which is driving me crazy. If I am driving at low speed at 40 mph and let go of accelerator, then if I slightly tap the accelerator instead of pressing it down hard as I just want to increase the speed slightly, it makes at lound whirring noise at 1500 rpm and 45-50 mph. If I keep the accelerator pressed hard, then it does not happen as it shifts from 2-3-4. When it is whirring, I think the response goes down also. I am thinking it is a timing belt or transmission issue. Before I got the car, the dealer had installed a new transfer case, harness wiring. Any help on this would be appreciated as do not trust the dealer to much to really take an effort to replicate the problem in the workshop. thanks Khurram
#8 of 9 Re: '01 Pathfinder - weired whisteling engine sound [rafay] by pmatteau May 05, 2008 (4:18 pm)
Replying to: rafay (Aug 18, 2006 6:52 am) Has anyone gotten an answer for this yet?? I have the same exact problem. It isn't coming from the antenna or the AC or the water pump... It is coming from the drive train (transfer case, transmission, drive shaft). Any help! It's deafening at 45 mph!
#9 of 9 Re: '03 Nissan Pathfinder with the same whistling sound by nandia Jun 09, 2008 (9:18 am)
Replying to: rafay (Aug 18, 2006 6:52 am) I also had this hissing sound on my Pathfinder for quite sometime. I took it to the dealer and he sprayed some water on the 2 belts in the front that run around the engine. When sprayed with water the hissing sound was practically eliminated. The belts needed lubrication, so in order to fix I had to get the 2 belts replaced. Doesn't cost much but now I no longer have the sounds when driving. And yes, the sound became higher pitched when accelerated. Try to locate the belts towards the front of the engine and just spray directly on the belts while running and see if the noise is eliminated, this might save you some money before any other suggested repairs to the sound.

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