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#4509410 - 09/06/17 07:45 PM Serpentine belt?
OneEyeJack Offline

Registered: 09/14/10
Posts: 7479
Loc: S California
Anyone do this....?

#4509423 - 09/06/17 07:56 PM Re: Serpentine belt? [Re: OneEyeJack]
Jimzz Offline

Registered: 10/03/14
Posts: 1143
Loc: NoVA
The biggest issue first off is he does not say who made the belts or their age.

Older belts would crack like that on the left. Newer belts are made from EPDM and rarely crack even after they are worn out. That and just because a belt does not have cracks does not mean its good.

#4509447 - 09/06/17 08:21 PM Re: Serpentine belt? [Re: OneEyeJack]
Chris142 Offline

Registered: 06/05/03
Posts: 16818
Loc: Deplorable in apple valley, ca
Belts wear out. The grooves get deeper and eventully dont fit the pullys correctly.
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

#4509478 - 09/06/17 08:48 PM Re: Serpentine belt? [Re: Jimzz]
bbhero Online   content

Registered: 03/20/15
Posts: 4618
Loc: Virginia
How long do you run your serpentine belt for?? I went 150k miles on my OEM belt. Changed it out with another OEM belt.
Nissan Altima 3.5 Coupe Valvoline Advanced Full Synthetic 5w30 Federated Auto 4612ex
"Treat your family like your friends and treat your friends like your family."

#4509496 - 09/06/17 09:02 PM Re: Serpentine belt? [Re: OneEyeJack]
Kestas Online   content

Registered: 06/04/02
Posts: 12327
Loc: The Motor City
I've had an original serpentine belt stretch to the limit of the tensioner after 60K/11yrs. It had no cracks.

#4509498 - 09/06/17 09:05 PM Re: Serpentine belt? [Re: OneEyeJack]
SnowDrifter Offline

Registered: 08/24/14
Posts: 391
Loc: WA
Not a fair comparison between old rubber and EDPM

And as it sits... The "good" belt he's bragging about is worn out. It's down to the cords