New belts, and pulley, and bearings - Scion xB Forum
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post #1 of 5 Old 05-09-2019, 07:01 PM Thread Starter
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Before summer comes around im doing some preventative maintenance on my ride. Recently (about 3 months) I've been having a squeal in one of my pulleys when I cold start. Lasts about 45 seconds -1 minute and is extremely disturbing for neighbors in the am. I'm shopping around and im leaning towards lighter components to help with throttle response but I dont want to disrupt the harmonic dampening properties of the existing crank pulley. So here are my questions

1.) Will replacing the existing harmonic dampener with a lightened (not underdrive) pulley have a negative effect on my cars harmonic balancing?
2.) If so, is there an elegant way to correct this?
3.) Is there a product you recommend for swapping out my old bushings (chassis) or should I just get OEM bushings?

If anyone has 80k plus miles of experience on a single engine with a lightened pulley I'd love to hear your input in particular but am open to any experiences. Gathering as much info as possible before I tear into my car.

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Last edited by Cfetchcaviar; 05-09-2019 at 07:26 PM.
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post #2 of 5 Old 05-16-2019, 11:36 PM
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Re: New belts, and pulley, and bearings

I don't have any advice but I'd like to follow this thread. My car just started making this squeal about 2 weeks ago.
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post #3 of 5 Old 05-17-2019, 01:01 AM
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Re: New belts, and pulley, and bearings

Usually, when it starts to squeal, then it is the power steering belt... Not an easy one to change....
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post #4 of 5 Old 05-17-2019, 09:48 AM
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Re: New belts, and pulley, and bearings

Agree with the power steering belt but you ma need the belts adjusted as I had this and took it back and now no squeal any more !!!
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post #5 of 5 Old 05-17-2019, 10:13 AM
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Power steering belt is a PITA to adjust. When mine squeals it is usually the AC belt. I made a DIY adjuster for tightening the AC belt. It's in the DIY section.
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