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DIY: Serpentine belt change on an 09 G37

Old 12-29-2016, 11:49 PM
  #46  
tite_tite
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Originally Posted by G37sGraphite
Ah it aint nothing but a thin breaker bar/socket wrench with attachments necessary for typical belt tensioners.
Changed mine today. Highly recommend you get serpentine kit. I used my breaker bar but had to remove filter box for more room. Use serpentine belt kit to avoid hassle. Finish belt routing on pulley shown.. Makes ur life better

Thanks again 4 great DIY!!
Attached Thumbnails Serpentine belt change on an 09 G37-image.jpeg  
Old 04-08-2017, 10:16 PM
  #47  
tite_tite
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Originally Posted by G37sGraphite
Ah it aint nothing but a thin breaker bar/socket wrench with attachments necessary for typical belt tensioners.

Replaced my belt again. This time I replaced w dealership belt. Had the advance auto part belt, Dayco Carquest. Had it for 3k & it didn't seem smooth or quiet. So far I like da dealership belt. FYI.. Go get one now cause they are trying to raise price. I paid $66 + tax.

Also get serpentine belt tool kit at harbor freight for $13 & change w 20% coupon. Didn't want to hassle w tool rental/loan. Highly recommend it. So much easier than breaker bar.
Attached Thumbnails Serpentine belt change on an 09 G37-serpentine-edit.png  

Last edited by tite_tite; 04-10-2017 at 07:17 AM.
Old 04-08-2017, 10:21 PM
  #48  
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Originally Posted by G37sGraphite
There are groves that show the tensioner is within range when you release it. Once it goes outside of that range good idea to change it. If it is within the range should be fine....
Is this what u referring to??

Mines is right at border/line. What will cause it to get out of line or go bad? Just replaced belt again.
Attached Thumbnails Serpentine belt change on an 09 G37-image.jpeg  
Old 04-09-2017, 12:07 AM
  #49  
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Got my replaced too.

Old 04-09-2017, 03:21 PM
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antirice
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Originally Posted by tite_tite
Replaced my belt again. This time I replaced w dealership belt. Had the oreily belt. Had it for 3k & it didn't seem smooth or quiet. So far I like da dealership belt. FYI.. Go get one now cause they are trying to raise price. I paid $66 + tax.

Also get serpentine belt tool kit at harbor freight for $13 & change w 20% coupon. Didn't want to hassle w tool rental/loan. Highly recommend it. So much easier than breaker bar.
Got my OEM belt on ebay for $45. Part # 11720EY00B. Have not put it on yet. Almost 90K on the original belt so far, still looks to be in very good condition, no noise.
Old 01-03-2018, 01:42 PM
  #51  
ryanwhite74115
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I have 78k on my car and the belt looks good to be honest. Are we really supposed to be replacing these belts every 30-60k miles?
Old 01-03-2018, 10:46 PM
  #52  
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Originally Posted by ryanwhite74115
I have 78k on my car and the belt looks good to be honest. Are we really supposed to be replacing these belts every 30-60k miles?
It is suggested per the INFINITI SERVICE AND MAINTENANCE GUIDE every 30K miles and for under
$30 $30
I dont mind replace it.

When I replaced the belt I found it easy just to remove the splash shield.

Old 01-05-2018, 08:14 PM
  #53  
saywat?
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i wouldnt follow premium maintenance its a bit much but i guess if u got time and money to burn its maintenance over due
Old 01-06-2018, 10:59 AM
  #54  
Bravo at
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Originally Posted by ryanwhite74115
I have 78k on my car and the belt looks good to be honest. Are we really supposed to be replacing these belts every 30-60k miles?
Follow the schedule. And, FWIW, I changed the belt tensioner as well at 90K.
Old 01-08-2018, 11:02 PM
  #55  
JSolo
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Car is a tad over 6 years old (11/2011 build date), 31K miles. Original belt doesn't look too bad. No cracks. From an age point, I think it's time to replace. Will likely go oem for longevity. Thoughts?
Old 01-09-2018, 08:36 AM
  #56  
Bravo at
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Follow the schedule. Also, look at the indicator notches on the belt tensioner to ensure you're in spec. If out of spec, then I would change the belt.
Old 01-09-2018, 08:49 AM
  #57  
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Thanks. Are these notches visible without removing the coolant reservoir tank?
Old 01-09-2018, 09:47 AM
  #58  
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Originally Posted by Jsolo
Thanks. Are these notches visible without removing the coolant reservoir tank?
Yes. Look straight down onto the left side of coolant reservoir.



Last edited by Bravo at; 01-09-2018 at 09:51 AM. Reason: Added pics
Old 01-09-2018, 09:26 PM
  #59  
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After replacing the belt:
Old 01-09-2018, 10:25 PM
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Calg37USMC
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Can someone explain the notches on the tensioner? What’s in compliance and not? Thank you

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