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Re: Official pulley replacement club!!!!
Quote:
BMThiker previously said:
The "sealed" bearings on the idler pulleys get grit in them from going thru muddy water and then start squealing. You'll definitely notice if they start making noise. Worst case scenario is you ignore it and the dirt/grit accumulates with more and more muddin' trips, then it locks up on you and you break a serpentine belt.
I changed mine out a couple months ago and the silence (from my engine compartment) is golden. I kept the old pulleys and cleaned them out using Dragon's tech article as a guide. One was really bad, you could see visible pits and gouges in the ball bearings so it got thrown out, but the second one I kept cleaned up pretty well and serves as a trail replacement in my kit of spares.
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Can the OEM bearings be pressed out and a high quality sealed bearing be pressed back? If Toyoto won't do it looks like we should do it on our own.
I have never been a huge fan of mud so the odds of it happening to me are slimer than many others. I think it would be a good idea to put better bearings in simply as a preventative measure.
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