DIY: Replace Serpentine Belt 07+ G35 (and probably G37)

  #16  
Old 02-22-2011, 11:05 AM
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Originally Posted by RemmyZero View Post
it's very odd that the service manual and owners manual are both silent on these two things.....unless i missed the section entirely. maybe i'm wrong but i would imagine they recommend it around 125k miles at least.

i also just downloaded the service interval manual from infiniti and it doesn't even mention plugs at 105k (although the service manual does) and it stops at 120k so whether they recommend the timing belt after that is unknown. this is very vague....very....
My guess is that Nissan never intends to have that chain replaced. FWIW, both our old VQ's went up to 150k (and going, new owners now) without issues to the chain or show signs of needing replacement.

As for the service intervals, you're supposed to just repeat from 3k.
 
  #17  
Old 02-22-2011, 11:22 AM
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My old maxima went 200k on the same chain.... mechanic said I shouldn't have to replace it
 
  #18  
Old 02-22-2011, 11:37 AM
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RedBaron - thats what i'm hearing on the chain the more i look. i guess you just do the pump if it ever leaks, but i'd hate to have that fail on me while i was on the highway.

the plugs were listed in the service interval guide, not the owner's manual, my mistake.

oh and the service manual says they are 60k intervals for the drive belt, i thought it was 30k.
 
  #19  
Old 02-22-2011, 11:51 AM
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Originally Posted by polo708 View Post
$22 on Amazon.com... hell yeah. Great DIY by the way, thanks.

http://www.amazon.com/Dayco-5070810-...ar=1&carId=008
Strange... when I enter my make/model on Amazon's "Check if it fit's" section, it says this won't fit.
Amazon is suggesting the Dayco 5040810 belt instead.
Stupid website...

If I go through the steps of finding it myself, it says it fits.
If I use the link above, it says it doesn't
 
  #20  
Old 02-22-2011, 05:10 PM
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according to the autozone site it's definitely a dayco #5070810. i'll double check my receipt if you want.
 
  #21  
Old 02-22-2011, 06:53 PM
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No, I believe that's right... Amazon's site is a bit messed up, that's all.
 
  #22  
Old 02-23-2011, 09:22 PM
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7 grooves, 81 inches. 5070810 is correct
 
  #23  
Old 04-13-2011, 11:27 AM
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Replaced my belt this weekend..... just a few comments.

1) 7mm allen wrench doesn't fit in the G.... 6mm was the correct size

2) There is less room in our G's than the pics above from the Z. You literally need to push back on the fan motor in order to get the breaker bar in that slot

3) Found it easiest to get belt back on by removing the plastic cover under the car (same one for changing the oil) and starting with the auto tensioning pulley and then completing the rest of the lower pulleys and finishing up top. (extra pair of hands helps a lot for this)

Just my 2 cents... hope this helps!!
 
  #24  
Old 04-13-2011, 02:22 PM
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i have a skweaky noise when i first start my car but then it goes away after the car warms up a little, does anyone know if this belt is the problem??
 
  #25  
Old 04-13-2011, 08:14 PM
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Replaced my belt just now. Have an 07+ G35 4dr sedan V36.
I followed the great directions and pics from above and have the following to add -
1.) 6mm is correct on allen wrench as noted by TomPeters above.
2.) Used a 1" box aluminum 36" long piece of tubing as a pry bar to push the fan motor back - it needed to go over an inch (moved it towards the front of the car away from the engine) to get the 1/2" breaker bar to go into the slot.
3. It was easiest to remove the passenger side air box (1x10mm bolt and it pulls right up out of the way) to get room on that side to route the belt properly around the power steering and alternator (#1 & 2 in diagram) pulleys. No need to remove the plastic splash shield under the car. My wife held the belt in place on those pulleys while i finished routing the belt around the other pulleys.
4. Did everthing from above and took about 30 minutes...with help from an extra set of hands by my wife.......

 
  #26  
Old 04-14-2011, 01:40 PM
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Originally Posted by treacherous View Post
IIRC my breaker bar for pulley just fit and didn't require me to push in on fan motor. Using some ramps, an electric screwdriver and pulling bottom shield off makes this a quick an easy solo job IMO.

EDIT: I would have waited until 60K miles but I was getting some belt chirp at startup that went away with belt replacement.
ahh thank u for that edit! thats what it sounds like i have! belt chirp!
 
  #27  
Old 05-05-2011, 03:40 PM
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Originally Posted by max2 View Post
Replaced my belt just now. Have an 07+ G35 4dr sedan V36.
I followed the great directions and pics from above and have the following to add -
1.) 6mm is correct on allen wrench as noted by TomPeters above.
2.) Used a 1" box aluminum 36" long piece of tubing as a pry bar to push the fan motor back - it needed to go over an inch (moved it towards the front of the car away from the engine) to get the 1/2" breaker bar to go into the slot.
3. It was easiest to remove the passenger side air box (1x10mm bolt and it pulls right up out of the way) to get room on that side to route the belt properly around the power steering and alternator (#1 & 2 in diagram) pulleys. No need to remove the plastic splash shield under the car. My wife held the belt in place on those pulleys while i finished routing the belt around the other pulleys.
4. Did everthing from above and took about 30 minutes...with help from an extra set of hands by my wife.......

good adds! although i didn't have to do #2 or #3 to get it in there. do you have after market air boxes? (sounds like a dumb question but i was just surprised you had to move them)
 
  #28  
Old 05-05-2011, 04:35 PM
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Originally Posted by RemmyZero View Post
good adds! although i didn't have to do #2 or #3 to get it in there. do you have after market air boxes? (sounds like a dumb question but i was just surprised you had to move them)
Nope, stock air boxes. And they didn't have to be removed....it just made it easier to get the fan belt over the passenger side pulleys.

.
 
  #29  
Old 05-12-2011, 06:22 PM
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Originally Posted by max2 View Post
Replaced my belt just now. Have an 07+ G35 4dr sedan V36.
I followed the great directions and pics from above and have the following to add -
1.) 6mm is correct on allen wrench as noted by TomPeters above.
2.) Used a 1" box aluminum 36" long piece of tubing as a pry bar to push the fan motor back - it needed to go over an inch (moved it towards the front of the car away from the engine) to get the 1/2" breaker bar to go into the slot.
3. It was easiest to remove the passenger side air box (1x10mm bolt and it pulls right up out of the way) to get room on that side to route the belt properly around the power steering and alternator (#1 & 2 in diagram) pulleys. No need to remove the plastic splash shield under the car. My wife held the belt in place on those pulleys while i finished routing the belt around the other pulleys.
4. Did everthing from above and took about 30 minutes...with help from an extra set of hands by my wife.......

So was the 5070810 part number correct for 07'?
 
  #30  
Old 05-12-2011, 09:02 PM
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Originally Posted by rdeol View Post
So was the 5070810 part number correct for 07'?
I used the factory 2007-2008 Nissan belt. Correct Nissan P/N is: 11720-JK20A.

I bought mine brand new for $39.95 (+6.95 S&H) on fleabay:
http://cgi.ebay.com/ebaymotors/ws/eB...K%3AMEWNX%3AIT
 

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