DIY: Serpentine belt change on an 09 G37

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Dec 29, 2016 | 11:49 PM

#46

tite_tite

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From: Houston, TX

Quote:

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!!

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Apr 8, 2017 | 10:16 PM

#47

tite_tite

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From: Houston, TX

Quote:

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.

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Serpentine belt change on an 09 G37-serpentine-edit.png

Last edited by tite_tite; Apr 10, 2017 at 07:17 AM.

Apr 8, 2017 | 10:21 PM

#48

tite_tite

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From: Houston, TX

Quote:

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.

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Apr 9, 2017 | 12:07 AM

#49

Stachuu

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Got my replaced too.

Apr 9, 2017 | 03:21 PM

#50

antirice

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From: SoCal

Quote:

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.

Jan 3, 2018 | 01:42 PM

#51

ryanwhite74115

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From: Doom

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?

Jan 3, 2018 | 10:46 PM

#52

Gio37

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From: Happiest Place on Earth

Quote:

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.

Jan 5, 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

Jan 6, 2018 | 10:59 AM

#54

Bravo at

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Quote:

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.

Jan 8, 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?

Jan 9, 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.