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Serpentine belt #5274463 11/22/19 10:50 AM
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Grambo Offline OP
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I have a 2015 kia Optima turbo and I was wondering when to change the serpentine belt, I have almost 50k on the clock. Called kia they said 100k isn't that a little late?

Thanks in advance guys Graham


2015 KIA OPTIMA SXL 2.0T Liquimoly Leichtlauf 5W-40 soon to be AMSOIL
Re: Serpentine belt [Re: Grambo] #5274471 11/22/19 11:04 AM
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Char Baby Offline
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Hmmm, I went over 100K miles on the last 3 cars before changing the serpentine belts. And I only changed them due to time/miles as they all still looked good.


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic 1.8 LX
Re: Serpentine belt [Re: Grambo] #5274474 11/22/19 11:06 AM
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Gebo Offline
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I'd go with Kia's recommendation but also look at the how many months they suggest to go with.

If you research alot, I think you will find more belts go back based on years of service vs miles.


That rubber belt on a car 10 years old with only 10K needs to be changed asap. Rubber deteriorates over time more than mileage. IMHO.


If you see my '05 LS430 with only 85K. It's almost 15 years old. I changed the belts as soon as I purchased it 15K ago. I changed on time, not mileage.

Last edited by Gebo; 11/22/19 11:09 AM.

'98 LEX LS400 300K
'02 4Runner 245K
'05 Lex LS430 85K
'07 Lex GX470 65K

Shell Gas and Truck & Pennzoil Full Syn HM
Toyota ATF's and Coolant
Amsoil Gear Oil and Grease
Re: Serpentine belt [Re: Grambo] #5274480 11/22/19 11:17 AM
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nthach Offline
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Check the belt for any excessive cracking or chunks out of it. If Hyundai-Kia used a spring-loaded tensioner there might be a scale with two ranges, an normal one and one indicating to replace the belt.

OEM belts can go a long time, but replacing one out of PM can't hurt. EPDM belts doesn't exhibit the same modes of failure as an neoprene belt does.

Re: Serpentine belt [Re: Grambo] #5274526 11/22/19 11:56 AM
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WyrTwister Offline
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Thank God , I have never had a serpentine belt fail . I have always tried to observe their condition and replace them when they became " cracked " .

I always try to keep an old belt in the trunk , just in case one does go bad . To use in such a case , as a spare , until I could source a new one .

You might consider doing that .

We purchased our 2006 Buick Lacrosse 3.8l , a couple of years ago , with ~ 36,000 true miles on it . I knew this was not enough miles to justify replacement of the " rubber products " , under the hook . But it was over 10 years old and I am getting old enough that I do not wish to do emergency repairs , out in the middle of nowhere . And there is a lot of open road in Texas . ( Especially if it could be avoided by aggressive preventative maintenance . )

I made a list and started ordering parts from RockAuto.com and purchasing parts locally . I sourced DEXCOOL , both radiator hoses , both heater hoses , serpentine belt , tstat , PCV valve , PS fluid , brake fluid , ATF Dexron 6 , hood and trunk lift struts . Dealer had changed the engine oil before we accepted delivery of the car .

Looking on the internet , I discovered the potential of the 2 plastic coolant elbows . Sourced / installed metal replacements for them , too . The old ones still looked good . ) The hoses would have probably been fine , also , but I replaced them anyway .

Replaced almost all of those parts . The tires still had good tread , so have not messed with them , yet . Turns out the serpentine belt still looked pretty good , so I re-used it & put the new one in the trunk .

Used a suction pump to suck out fluids and replaced with new fluids . Added 1 gallon of DEXCOOL , after replacing the radiator hoses .

Brake pads seem fine , have not messed with them . A/C still working fine , as of a few weeks ago . No work done on that system . Same with tires . Oil / filter has been changed a few times with dino oil ( DEXOS is not required / indicated ) at around 3000 - 4000 miles .

So far , we have made several trips in the Buick and had no problems , thankfully . I consider it money and labor well spent , DIY , for preventive maintenance .


Wyr
God bless
Re: Serpentine belt [Re: Grambo] #5274565 11/22/19 12:34 PM
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TmanP Offline
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As a point of reference, our 2010 Sienna is on its original serpentine belt at 205k miles. It looks perfectly fine; I'm not the slightest bit worried about it.
I'd say 100k would be plenty conservative, and you could likely go far longer than that!


2012 Toyota Camry 2.5 30,000 mi
2015 Chevy Silverado LT Z71 5.3 V8 30,000 mi
2010 Toyota Sienna 3.5 V6 150,000 mi
Re: Serpentine belt [Re: Grambo] #5274576 11/22/19 12:48 PM
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Chris142 Offline
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Most belt manufacturers recommend 90K.


02 Wrangler Napa high milage 10w40
87 F250 Valvoline 15w40
07 fjcruiser Car lube plus 10w30
Z400 castrol T 10w40
Can am Maveric edge 5w40
57 case tractor Chevron sae30
Re: Serpentine belt [Re: Grambo] #5274653 11/22/19 02:47 PM
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Tman220 Offline
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Since the introduction of EPDM rubber belts, I think serp belts are way over engineered (this is a good thing) Replacement at 100,000 miles for me would fall under special circumstances if it obviously needed it.

I had a 2004 GMC Sierra, still had a mechanical clutch fan that year and I got rid of that truck at 195,000 miles with the original GM belt still looking fine, no cracking, also the original AC belt, no cracking. Currently the wife drives a 2007 Camry still rocking the original belt at 242,000 miles and counting. Zero cracks, the ridges aren't even sharp indicating a worn out belt.


2012 Regal GS Turbo PP 5w30 90k
1994 Camaro Z28 LT1 355 CI, 430 RWHP PP 5W30 165k
2005 GMC Sierra 1500 5.3 160k
2004 Civic LX M5 178k
2007 Camry 2.4 232k
2016 Victory Vegas
Re: Serpentine belt [Re: Grambo] #5274657 11/22/19 02:50 PM
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dtownfb Offline
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Serpentine belts today are not like the belts from the 70's and 80's. they are much more durable and last much longer. 100k miles seems right although I didn't change the belt in my 2006 Camry until well after 150k miles, that was only because there was cracking.

I would have your mechanic check your belt when you have your car serviced so you have peace of mind.


2006 Toyota Camry
2013 Toyota Sienna
2015 Toyota Camry
Re: Serpentine belt [Re: Grambo] #5274885 11/22/19 07:15 PM
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super20dan Offline
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the belt on my 99 silveradoi still the orig and looks fine still at 90k


99 silverado 5.3
2003 tundra v6
1981 toyota cressida wagon
2003 kia sorento
04 toyota highlander 4cyl 2013 toyota rav4
Re: Serpentine belt [Re: super20dan] #5274915 11/22/19 07:47 PM
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Grambo Offline OP
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Thanks for the advice guys I really appreciate it. I'll have the condition of the belt checked when I'm in for my next service. I looked at the belt its basically in great shape no cracks or damage.


2015 KIA OPTIMA SXL 2.0T Liquimoly Leichtlauf 5W-40 soon to be AMSOIL
Re: Serpentine belt [Re: Grambo] #5275043 11/22/19 10:19 PM
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K20FA5 Offline
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I changed mine along with the tensioner on my old 2010 Frontier just over 100,000 miles. It looked brand new, but I changed it due to miles. I’m sure it could have gone longer.


Mine-2018 Chevy Silverado LT Z71 5.3L-M1 AFE 0W-20 / Wix WL10255
Wife-2017 Volvo XC90 T6 Inscription Polestar Tuned 2.0L- Dealer 5W-30
Re: Serpentine belt [Re: Grambo] #5275064 11/22/19 11:13 PM
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BlueOvalFitter Offline
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First of all, what does the owners manual state about it?
Second, check the belt for cracks and excessive wear. Change if any are found.


"One Filter, One OCI!"
2007 F150, 4.2 V6
Havoline HM 5W20, MC FL-400S
"One Box, One OCI!"
Re: Serpentine belt [Re: BlueOvalFitter] #5275165 11/23/19 07:00 AM
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Grambo Offline OP
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Originally Posted by BlueOvalFitter
First of all, what does the owners manual state about it?
Second, check the belt for cracks and excessive wear. Change if any are found.


I called the dealership they said 100k the car is 5 years old already so i dont know what im going to do.


2015 KIA OPTIMA SXL 2.0T Liquimoly Leichtlauf 5W-40 soon to be AMSOIL
Re: Serpentine belt [Re: Grambo] #5275178 11/23/19 07:15 AM
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D1dad Offline
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The dealer wanted $129 to change a $30 ac delco belt on my 08 impala. I changed it myself but at 111k the original was in almost new condition. Literally took 10 minutes. I think I need to start a shop that just changes belts only for $69. I’d be rich.

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