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Old 05-24-2019, 01:43 AM   #71
sepudo
 
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Default Re: Serpentine belt

While I can understand gasoline on a belt being not a good thing to get on a belt if I'm not mistaken diesel is a lubricant and not corrosive in and of itself...

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Old 05-24-2019, 01:48 PM   #72
Aqua Puttana
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Default Re: Serpentine belt

Quote:
Originally Posted by sepudo View Post
...

Comments, thoughts...?

#drivingdharma
It's not just the reduced friction.

Many of the newer design serpentine belts use EPDM rubber. EPDM is also used for roof membranes. I have used EPDM rubber scraps to make many different seals. I've learned that fuel and oils cause EPDM rubber to expand/swell. It doesn't play well with oil based solvents.

A bit of fuel here and there probably isn't a problem, but soaking/spray over time will likely take a toll.

vic
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Old 05-26-2019, 02:01 PM   #73
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Default Re: Serpentine Belt Replacement

Depending on the rubber, diesel can degrade it rapidly. Especially if its a bio blend. There is a large range of rubbers used under the hood, and even serp belts have a few different types in there construction.
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