IS F (2008-2014) Discussion topics related to the IS F model

Drive belt DIY?

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Old 06-28-19 | 01:33 AM
  #16  
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Originally Posted by 93MSB
Yeah its an old thread, I just need you all to know that I've got ISF #1583 and that belt tensioner lasted 10 years and 110k miles.

*edit p.s. does anyone know the toque spec for the tensioner is so I dont have to get another subscription to the TIS?
23 N·m {235 kgf·cm, 17ft·lbf}
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Old 06-28-19 | 07:28 AM
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Originally Posted by lobuxracer
23 N·m {235 kgf·cm, 17ft·lbf}
Thank you sir!
Old 07-27-19 | 12:30 PM
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So my belt let go yesterday at 75k miles. Should I do the tensioner at the same time for good measure? Or does it last longer. My car is an 2008 and it had the tensioner replaced with the updated part in around 2010-2011 at ~ 30k mi.
Thx.
Old 07-27-19 | 06:17 PM
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Originally Posted by UCrazyKid
So my belt let go yesterday at 75k miles. Should I do the tensioner at the same time for good measure? Or does it last longer. My car is an 2008 and it had the tensioner replaced with the updated part in around 2010-2011 at ~ 30k mi.
Thx.
Honestly if it's not a fortune I'd do them both while I was working on it.
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Old 07-27-19 | 06:19 PM
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Originally Posted by ultimase
Honestly if it's not a fortune I'd do them both while I was working on it.
Parts are $143 so a bargain for peace of mind.
Old 07-27-19 | 07:06 PM
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Originally Posted by UCrazyKid
Parts are $143 so a bargain for peace of mind.
I did the tensioner, water pump, drive belt, and thermostat when I had to replace my radiator earlier this year.
Old 07-28-19 | 12:27 PM
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How the Lexus Dealer can charge $375.00 for that tensioner is really criminal. There is only one and it is a Dayco with a Lexus PN. You can get them for one sixth of $375.00. Wouldn't be so bad if the mechanics got some of that, but they do not.

When, I was 16 my father told me, "you drive it, you fix it". The conversation never went further than that and to this day I do nearly everything my self. Honestly, most of this stuff, including timing belts, I can do myself in half the time it takes to drop the car off at the dealer.

I have an envious lifestyle and I think most of the reason is, "you drive it, you fix it."
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Old 07-28-19 | 04:14 PM
  #23  
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Originally Posted by lorenr
How the Lexus Dealer can charge $375.00 for that tensioner is really criminal. There is only one and it is a Dayco with a Lexus PN. You can get them for one sixth of $375.00. Wouldn't be so bad if the mechanics got some of that, but they do not.

When, I was 16 my father told me, "you drive it, you fix it". The conversation never went further than that and to this day I do nearly everything my self. Honestly, most of this stuff, including timing belts, I can do myself in half the time it takes to drop the car off at the dealer.

I have an envious lifestyle and I think most of the reason is, "you drive it, you fix it."
Yes, it’s highway robbery. I picked up a Dayco tensioner, v-belt and Toyota long life coolant for $115 delivered with tax included.
Old 07-29-19 | 03:05 PM
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I've been running the Dayco unit for a very long time with zero issues.
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Old 07-30-19 | 07:38 PM
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Anyone know the diff btwn part # W0133-1998860 v. #89380 ?
Old 07-31-19 | 01:55 PM
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Regarding changing the tensioner, how many bolts are holding it in place? What size are they? Thanks!
Andy
Old 07-31-19 | 08:34 PM
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It's very easy

1.remove the belt (see pic below)
2. jack car up, remove undertray
3. remove tensioner, its one bolt, 12mm IIRC. Torque to 17ft lbs for installation



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Old 08-01-19 | 03:08 AM
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Originally Posted by 93MSB
It's very easy

1.remove the belt (see pic below)
2. jack car up, remove undertray
3. remove tensioner, its one bolt, 12mm IIRC. Torque to 17ft lbs for installation



The tensioner is held in with an Allen head bolt fyi.
Old 08-01-19 | 09:17 AM
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Originally Posted by 93MSB
It's very easy

1.remove the belt (see pic below)
2. jack car up, remove undertray
3. remove tensioner, its one bolt, 12mm IIRC. Torque to 17ft lbs for installation



Originally Posted by Joker4096
The tensioner is held in with an Allen head bolt fyi.

Thanks for this. Just a single bolt? interesting. Is it in the center of the spring coil assembly or the hole in the lower portion of the whole assembly? Thanks for the heads up on the allen cap head bolt!
Old 08-01-19 | 11:17 AM
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Originally Posted by UCrazyKid
Thanks for this. Just a single bolt? interesting. Is it in the center of the spring coil assembly or the hole in the lower portion of the whole assembly? Thanks for the heads up on the allen cap head bolt!

its in the center there on the body of the spring assembly. A little rust colored in my photo.


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