5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

aluminum pulleys failed

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Old Feb 7, 2024 | 08:47 AM
  #1  
uptownsamcv's Avatar
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From: Kissimmee FL
aluminum pulleys failed

just thought I would post this up and get some opinions. the lightweight pulleys came off and were ruined so I put stock ones back on. the 2J crank pulley is fine though. I'm glad I kept the stock pulleys cause it seems as if no one sells the alternator pulley on it's own. I have had alternator pulleys come off many times before so this time I used ultra gray to stick the stock pulley to the shaft mounting surface and the mounting surface on the nut that contacts the pulley.

the power steering pulley which was actually for the QR25DE came off within a few days of first start up, even with the OEM nut and lock washer. the pump is a non remanufactured aluminum SKP unit I got from Rockauto.





the alternator pulley came off 2 weeks ago which was 7 months after the swap was complete. it was actually one that's for the 350Z. as you can see in the pic the threads don't go all the way through the nut but I used loctite orange on it. the alternator is a non remanufactured WAI Global 125 amp 4th gen alternator I got from Rockauto.





2J crank pulley has no issues so far. I used Loctite orange on the crank pulley bolt and so far no issues. I also had this pulley on the original engine for a bit over a year before swapping it over to the 2014 engine.




Last edited by uptownsamcv; Feb 12, 2024 at 04:08 PM.
Old Feb 7, 2024 | 07:21 PM
  #2  
Child_uv_KoRn's Avatar
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I use red thread locker on small pulleys and they never come off. But I also put on with impact lol.
Crank pulley doesn't need anything, b/c it should be torqued to 175+ ft lbs.
Old Feb 8, 2024 | 05:12 AM
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uptownsamcv's Avatar
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the only thing I've used red on so far was on my HLSD differential. the JWT flywheel said to use red but I used orange. I picked up brand new allen bolts from fastenal when I installed it, I hate torx bolts. as for the crank pulley I just put orange Loctite on it and hit it with the electric impact.


Last edited by uptownsamcv; Feb 8, 2024 at 05:15 AM.
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