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by oreogaborio
Wed Feb 26, 2014 3:42 pm
Forum: 2005-2012 Pathfinder (R51)
Topic: Check engine light, code P0340
Replies: 26
Views: 67511

Just wanted to post an update to my issue... I replaced the OEM sensor with one from NAPA. It went from a p034 error to a p0011 error and a really bad ~2k rpm stumble under load. I put the old (bad) oem back in and the p0011 & 2k rpm stumble disappeared (p0340 reappeared). Returned the NAPA sens...
by oreogaborio
Wed Feb 26, 2014 3:36 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: 2005 Pathfinder Check Engine Code P0340 *NOW P0011*
Replies: 11
Views: 17380

Yup, I did that. I put the original sensor back in and the p0011 code and 2k rpm stumble disappeared... went back to the p034 and illuminated "VDC Off" and "SLIP" lights.
by oreogaborio
Wed Feb 26, 2014 1:44 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: 2005 Pathfinder Check Engine Code P0340 *NOW P0011*
Replies: 11
Views: 17380

Update: Think the OEM sensor did the trick :)

Best part? After a little practice it only took me 4 minutes to change the sensor... again. 8)
by oreogaborio
Wed Feb 26, 2014 10:58 am
Forum: R51 Engine, Driveline and Powertrain
Topic: 2005 Pathfinder Check Engine Code P0340 *NOW P0011*
Replies: 11
Views: 17380

Nope. Severe hesitation under load when the RPM's are around 2k. Gets worse as it warms up.

Really hoping it's the sensor I got from NAPA as these symptoms didn't occur w/ the original.

Part from dealer is $116.93. Prob gonna head there soon.
by oreogaborio
Tue Feb 25, 2014 3:57 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: 2005 Pathfinder Check Engine Code P0340 *NOW P0011*
Replies: 11
Views: 17380

Bump for a 2 year old thread..... The EXACT same thing happened to me. I had the P0340, then I replaced the sensor and it starts MUCH easier, runs better, sounds better.... And now I have the P0011 :? I'm HOPING that the ECU just needs to re-learn how to adjust the timing now that it actually knows...
by oreogaborio
Mon Feb 10, 2014 5:48 am
Forum: R51 Engine, Driveline and Powertrain
Topic: Horrible rattle under the hood. Diagnosis? NOT water pump.
Replies: 37
Views: 27435

Yeah I replaced the belt to be safe while I was at it & it's definitely the right one.

I'm also leaning towards poor bearing/seal quality, but I wanna make sure I'm not missing anything before I ream out the supplier.
by oreogaborio
Mon Feb 10, 2014 4:35 am
Forum: R51 Engine, Driveline and Powertrain
Topic: Horrible rattle under the hood. Diagnosis? NOT water pump.
Replies: 37
Views: 27435

UPDATE: after 100 miles the part I got off ebay failed... Just got a replacement covered under warranty... 40 miles and it's still okay. Update #2: After another 1200 miles the SECOND part I got off ebay failed. Third is on the way :? :? :? Anyone have any experience with this part failing? Any pos...
by oreogaborio
Tue Jan 28, 2014 4:43 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: Exhaust and catalytic conv.
Replies: 8
Views: 6049

I've got the same issue. Planning on replacing them myself before inspection in a few months. I've been able to find both front cats for about 4-600 dollars shipped online.

Looks like a fairly straight forward install... hoping I'll just need plenty of PB blaster and some elbow grease.
by oreogaborio
Sun Jan 26, 2014 9:28 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: Horrible rattle under the hood. Diagnosis? NOT water pump.
Replies: 37
Views: 27435

What does this sound like... My engine bay is awfully noisy. I hope I have the same issue as you indicate on my truck. My mind was swirling with possible engine damage... It sounds like horrible death... Squeaking, rattling, scraping. As SMJ said above, you can grab the fan and feel/see significant...
by oreogaborio
Sun Jan 19, 2014 7:37 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: water pump replacement
Replies: 2
Views: 2744

Re: water pump replacement

eieio wrote:stick a ratchet into the square hole in the tensioner arm, and pivot the tensioner arm downward to release the tension on the belt
Sounds like he's asking about the timing chain, not the belt.
by oreogaborio
Fri Jan 17, 2014 2:36 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: Horrible rattle under the hood. Diagnosis? NOT water pump.
Replies: 37
Views: 27435

And here's another side-by-side shot of the back of the unit. You can see the old one is clearly missing a seal over the bearing. The new unit is also assembled/designed very differently.

Image
Untitled by Peter Gaboriault, on Flickr
by oreogaborio
Fri Jan 17, 2014 2:30 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: Horrible rattle under the hood. Diagnosis? NOT water pump.
Replies: 37
Views: 27435

Finally got around to installing and buttoning everything up. Turns out the part I got off ebay wasn't quite 100% compatible with the fan clutch I have in there. Luckily the fix was easy. Here was the issue... You can see that the axle protrudes further past the mounting surface on the new part due ...
by oreogaborio
Mon Jan 13, 2014 1:47 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: Horrible rattle under the hood. Diagnosis? NOT water pump.
Replies: 37
Views: 27435

Still waiting on the replacement. Should be here in a day or three. The bearings most certainly are not supposed to be exposed like that. There's definitely a missing seal. Close-up pic of the new part online shows a washer type seal held in place by what looks like a press-on cap. Here you go... Pu...
by oreogaborio
Sun Jan 12, 2014 1:41 pm
Forum: R51 Engine, Driveline and Powertrain
Topic: Horrible rattle under the hood. Diagnosis? NOT water pump.
Replies: 37
Views: 27435

smj999smj wrote:Yup....another, quality "made in Mexico" part!
lol
smj999smj wrote:The black cover plate you see behind that bracket is the cover for the water pump access.
Yeah, that's what I figured.


Thank you very much for the help. :)
by oreogaborio
Sun Jan 12, 2014 11:22 am
Forum: R51 Engine, Driveline and Powertrain
Topic: Horrible rattle under the hood. Diagnosis? NOT water pump.
Replies: 37
Views: 27435

Woot! So as you guys said, the cooling fan is what was causing the noise and it is NOT connected to the water pump and driven by the same pulley as almost every other design out there. So the death rattle coming from my cooling fan is just due to the bearing housed in a 50 dollar bracket that bolts ...

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