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02-02-2018, 04:28 PM | #1 |
DWEED
Drives: 3DR 2008 Metorite Metalic Join Date: Oct 2008
Location: Arizona
Posts: 1,161
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100K Water pump and drive belt
Picture of old parts at 100,000 miles. Glad I changed them out. Thanks to this Forum and members for their pictures, procedures and advice. Took three hours.
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02-05-2018, 07:33 PM | #2 |
Drives: Yaris 06 - 5dr hatchback Join Date: Aug 2015
Location: Birmingham, UK
Posts: 390
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Did you use an OEM drivebelt? I had mine replaced at 9 years old when the voltage regulator in my alternator went bad and the mechanic replaced it with a Dayco belt which squealed like crazy for no reason a little over a year later.
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- Yaris 2006, 1.0, 5 door hatchback "Betty" - 240,000 miles UK to Nordkapp in a Yaris
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02-05-2018, 07:55 PM | #3 |
Drives: 2015 yaris le Join Date: Feb 2015
Location: hamilton, on
Posts: 149
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Yes you are right. The aftermarket parts suck on these cars. If you are going to use other than anything from the dealership, stick to bando or mitsuboshi. They make the OE belts.
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02-06-2018, 12:10 PM | #4 |
Bronze bombshell yaris
Drives: 09 Yaris HB 3door Join Date: Sep 2010
Location: Oklahoma City, OK
Posts: 641
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Over the 4-5 years I've owned my current yaris, I have replaced the drive belt 4 times (the 4th one last weekend). Each time because it starts squealing at startup, even after re-tightening. Each time with a different brand from the local shops. Cheap or expensive, it makes no difference. This last time I just took it to the shop and had them do it. At least now if it starts doing it again I can just take it back to them and say "fix your crap". Lets hope 4th time is the charm.
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Now I drive a CARMINE RED METALLIC 09 Yaris 3-door!! I'm Back!!! WooHoo!! Mods done so far: Tinted windows, Viper 211HV Remote Keyless Entry, Atoto Android headunit, backup camera, steering wheel controls Before it was totaled I drove a 2007 Black Sand Pearl 3 Door Lift-Back M/T with 49k miles. Stock Everything except for black tint, all red badges, red dash, and stealth garage door opener. Ultra-Gauge mounted on steering wheel. A1 Electric MES Central Locks and Avital 3100 Alarm system. |
04-20-2018, 06:22 AM | #5 |
Drives: 07 Yaris Liftback Join Date: Nov 2010
Location: Bay Area
Posts: 147
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I was just watching a youtube video about a guy who claims that you can make your drive belts last hundreds of thousands of miles with a product designed to polish tires.
https://www.youtube.com/watch?v=dRXkt6Dgi4k On another note, did you replace the water pump with an OEM Aisin one from Toyota, OP? There was another thread on here where everyone complained that the new OEM waterpump would start leaking every 30k miles. |
09-19-2018, 05:03 AM | #6 | |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Quote:
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04-20-2018, 03:36 PM | #7 |
Drives: 2009 Yaris Join Date: Apr 2015
Location: United States
Posts: 23
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https://www.youtube.com/watch?v=HRrVMtyIqIY
Check this video out and see if it helps with your belt squealing. Last edited by Secretblend; 04-20-2018 at 03:49 PM. |
04-20-2018, 06:27 PM | #8 |
Drives: 2008 Yaris hatchback in white Join Date: Apr 2012
Location: Maui Hawaii
Posts: 38
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very useful, this after having fabricated a belt tensioner from a post on how to solve this extremely annoying problem. It also explains why at times it does not squeal, probably just started the car a little slower...
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09-03-2018, 07:25 PM | #9 |
Drives: 2007 Yaris Sedan Join Date: Jul 2009
Location: Memphis, TN
Posts: 49
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I just installed a new Dayco Poly Rib belt on my 2007 with 75,000 miles. Engine ran much better and so much smoother. I wasn't expecting a better running engine. I just thought I better replace it after 12 years and 75K. My OEM belt never squeaked or chirped ever and this Dayco Poly Rib is silent as well. Before I loosened the alternator bolts I marked around the bolt washer with a sharpie pen. Tension-ed the new Dayco at the exact marking and it seems perfect. Maybe it's the Dayco Poly Cog belts that squeal? My Poly Rib said made in USA on the belt. Good enough for me.
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Yaris - It's A Car ! |
09-04-2018, 06:20 AM | #10 | |
Drives: 2007 2-door hatchback Join Date: Jul 2016
Location: USAnotCA
Posts: 750
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Serpentine belt tension adjustment water pump bearings
Quote:
(Serpentine belt tension adjustment water pump bearings) |
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09-06-2018, 08:20 PM | #11 |
Drives: 2007 Yaris Sedan Join Date: Jul 2009
Location: Memphis, TN
Posts: 49
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That was the factory setting dog. It was exactly where the factory tech placed it. I figured it was a good starting point before FINAL tension setting after the new belt stretch. My tension tool is on the way.
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09-07-2018, 08:23 AM | #12 |
Drives: 2007 2-door hatchback Join Date: Jul 2016
Location: USAnotCA
Posts: 750
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Water pump serpentine belt tension tensiometer
No way. Good chance you're killing the water pump bearings. Running too tight wouldn't help the belt either. (How do you think you would be able to know too-tight by observation...when saying "seems perfect?")
By the way. The manual's serpentine belt tension treatment is a Mind of Toyota cluster-fluff. I won't recommend a method for anyone else, but mine is an initial set to not-too-tight by feel, matchmark, and tighten in tiny increments when hearing a chirp at startup. (I'd carry tools if making a trip on a new belt.) I'm tightening by a 13 inch channel lock plier w/ jaws on the end of the curve-slot adjuster bar and the alternator's upper bolt boss. (Toyota manual wants prybar but be careful to miss the critical mechanism right there some where hard to see and same color as the other metal engine parts.) |
09-09-2018, 07:09 PM | #13 | |
Drives: 2007 Yaris Sedan Join Date: Jul 2009
Location: Memphis, TN
Posts: 49
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Quote:
If you don't have a tension gauge, just measure the deflection of the belt in the span area shown in the illustration. When properly tightened, the belt should deflect .410 to .450 inch. I did put the wrenches in my car after the install. Just in case
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Yaris - It's A Car ! Last edited by Tedtalker; 09-09-2018 at 07:23 PM. |
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09-07-2018, 09:14 AM | #14 |
Drives: Yaris 06 - 5dr hatchback Join Date: Aug 2015
Location: Birmingham, UK
Posts: 390
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When I set the tension on mine I set my calipers to 11mm and rested them on the longest run of the belt in the middle with one hand and deflected the belt with my thumb. It was probably a little loose but it didn't squeal. The belt I'm using is a Chinesium Blue Print belt. So far it's been silent unlike the Dayco belt that was on there before which squealed for no reason whatever the adjustment.
Sent from my SM-G900F using Tapatalk
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- Yaris 2006, 1.0, 5 door hatchback "Betty" - 240,000 miles UK to Nordkapp in a Yaris
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09-09-2018, 07:13 PM | #15 | |
Drives: 2007 Yaris Sedan Join Date: Jul 2009
Location: Memphis, TN
Posts: 49
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Quote:
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09-07-2018, 10:18 AM | #16 |
Drives: 2007 2-door hatchback Join Date: Jul 2016
Location: USAnotCA
Posts: 750
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serpentine belt deflection specification Toyota Yaris
Toyota also gives "Deflection" specs for new and used belts. But it is a meaningless number without prescribing the applied perpendicular force that causes the measured belt deflection.
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09-19-2018, 03:25 AM | #17 | |
Drives: 2013 NCP130 Join Date: Nov 2015
Location: Sydney, Australia
Posts: 376
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Quote:
The same measurement is listed for both 1NZ-FE and 2NZ-FE engines.
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Running on standard AU 14" steel wheels (14x5 rims, 175/70R14 tyres). Added reversing camera and touch screen radio, cruise control, 16" rear wiper blade, tow bar and dash cam. |
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09-20-2018, 07:16 PM | #18 |
Drives: 2007 Yaris Sedan Join Date: Jul 2009
Location: Memphis, TN
Posts: 49
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At twelve years and 75,000 miles my factory belt was dry and brittle. Had cracks all over it. Very glad I changed it.
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