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10-12-2016, 12:34 PM | #1 |
Drives: 2009 5 Door Automatic Join Date: Oct 2016
Location: Fort Wayne, Indiana
Posts: 3
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New Serptine Belt Squealing
Hi all, I recently purchased a 09 5door with 96,000 miles on it. I had the serpentine belt changed about two weeks ago. The next day it started squealing when I started the car, and when I first start driving for a minute. I've tried turning off the air conditioning like i read about but it didn't help any (the battery is a year old).
I took it back to the mechanic a week ago. He said he looked at it, there was no problem with anything, it's just new and it might take a month to stop squealing. It hasn't been a month but the belt is still just as bad sounding, what would you guys suggest doing? Thank you! |
10-12-2016, 12:37 PM | #2 |
Drives: 06 Polar White 5dr, 13 Soul 4u Join Date: Oct 2008
Location: Georgetown, Ontario, Canada
Posts: 5,761
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Increase the tension. All belts stretch and are often in need of re-tensioning shortly after install.
Sent from my iPhone using Tapatalk
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10-12-2016, 07:12 PM | #3 |
El Huevo
Drives: 2007 Liftback Join Date: Aug 2006
Location: CEN*CAL
Posts: 959
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^yup just increase the tension by adjusting the alternator position.
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10-13-2016, 12:04 AM | #4 |
Drives: 2012 blue 4 door hatchback yar Join Date: Oct 2016
Location: California
Posts: 2
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My 2012 does this every so often. A/C tends to make it louder in my car but it's a simple fix. It just needs to be tightened.
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10-13-2016, 03:14 AM | #5 |
Drives: Sedan 07 Join Date: Oct 2012
Location: Asia
Posts: 478
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Agree with all. Manual says inspect every 20,000km.
And thanks YW (and those who posted on another topic) i changed mine after 80,000km even if it looked fine. ( some mini cracks on the grooves but generally fine) Saved a few bucks by using yarisworld, a 3/8" drive ratchet (1/2" ones have too long sockets) and a pipe. Sent from my G9208SS using Tapatalk |
10-13-2016, 04:19 PM | #6 |
Drives: 2009 5 Door Automatic Join Date: Oct 2016
Location: Fort Wayne, Indiana
Posts: 3
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Thanks for the replies guys, could you guys dumb down how to tighten the belt? I've found a few things buy am pretty amateur when it comes to under the hood.. thanks
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10-13-2016, 06:13 PM | #7 |
Drives: Yaris Sedan 5MT Join Date: Oct 2008
Location: SoCal
Posts: 865
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The alternator is attached at two points... bolts.
1. Loosen only the top bolt. 2. Using a permanent marker just draw a straight line across that top . This is just for reference. 3. Using a long pry bar...or something long that will give you some leverage, you would just barely move the alternator towards you. 4. Tighten and go start the car. The squeeks and initial squelch should be gone. If not, go back through the steps to tighten the belt some more. This is important: You are gradually tightening the belt because the water pump has bearings that could get messed up. You can mess them up if you over tighten. You don't want to turn a 30 dollar job (if replacing the belt) into a 200 dollar job (replacing the waterpump). Here's a video: It's for a 06 Scion XB....pretty much same engine. He did an optional step of adding temporary bolt, watch the full video if you want to do that. Otherwise just try to find a decent spot to put in the pry bar for good leverage. https://youtu.be/E8MLQlK4Q0o?t=113
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10-13-2016, 07:08 PM | #8 |
Drives: 2014 Yaris SE Join Date: Apr 2014
Location: NYC
Posts: 1,076
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Be careful when doing this that you do not damage the Oil Control Valve for the VVTi system. Be aware of what you are using for a pivot when you use the pry bar
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10-14-2016, 09:44 AM | #9 | |
Drives: 06 Polar White 5dr, 13 Soul 4u Join Date: Oct 2008
Location: Georgetown, Ontario, Canada
Posts: 5,761
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Quote:
http://www.yarisworld.com/forums/sho...56&postcount=1
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10-14-2016, 11:32 AM | #10 |
Drives: 2009 5 Door Automatic Join Date: Oct 2016
Location: Fort Wayne, Indiana
Posts: 3
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Thank you so much guys, tightened it this morning it seems to have gone away. You guys were able to figure it out and when I took it back to my mechanic they couldn't, so thank you!
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10-14-2016, 11:35 AM | #11 |
Drives: 2009, auto, 4dr LB Join Date: Nov 2010
Location: S.E. New England
Posts: 292
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Just my 2 cents.
If you are unsure about doing this you can do more harm than good. Take it back to where that belt was replaced and ask them to tighten a bit. Cheers, and welcome to the forum. |
10-14-2016, 11:43 AM | #12 |
Drives: 2009, auto, 4dr LB Join Date: Nov 2010
Location: S.E. New England
Posts: 292
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Lol, well disregard my post.
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serpentine belt |
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