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GDI Rod Bearings #5396409 04/07/20 12:38 PM
Joined: Dec 2004
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Triple_Se7en Offline OP
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I have read enough horror stories of Korean 2.4 engines grenading. Most-all threw rod bearings - a minority premature to symptoms and suddenly (within 300 miles of first hearing abnormal engine sounds). Most seem to happen prior to - or near 125K.

My questions are multiple. But your remedy-answers might only be one sentence.:

How do I lessen the chance of this happening to my 2019 Hyundai Santa Fe 2.4 GDI?
Is there a good preventative medicine for it?
Is it oil?.... 4k OCIs using mostly Pennzoil Platinum Ultra and top-tier fuels?
Is it an oil additive I need?
Do I keep the RPMs always below 4?
Do I sell - or trade-in my Hyundai (with only 11k) this year?

I realize most-all of the horror stories were vehicles prior to 2017. But it's still occurring, but in much lesser numbers. As far as I'm concerned no vehicle from 2017-forward should throw rod bearings. That's insane and that's why I might sell my almost new Hyundai, which I currently like tremendously.

Is there some magic potion to guarantee my rod bearings more miles...... like beyond 150-175K at least.


Last edited by Triple_Se7en; 04/07/20 12:44 PM.

2019 Hyundai Santa Fe 2.4 GDI - Pennzoil Ultra Platinum 5w30 / OEM 35504 Filter
2020 Kia Soul X-Line 2.0 MPI - a 50-50 blend of Pennzoil Platinum HM & Pennzoil Gold 5w30 // AC Delco PF1127 Ecore




Re: GDI Rod Bearings [Re: Triple_Se7en] #5396432 04/07/20 12:57 PM
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Ded Mazai Offline
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5W-50 is the answer. The rod insert material is too soft so you can't do much about it. Over time the inserts get deformed.


BRZ | M1 HM 5W-20, FU | PZ Synchromesh.
Re: GDI Rod Bearings [Re: Triple_Se7en] #5396434 04/07/20 12:58 PM
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Posts: 12,250
wemay Offline
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There is nothing you can do. The rod bearing issues (blown engines) seem to happen to a full spectrum of owners...

1. folks who follow the maintenance schedule to a tee. Oil specs, Oil filters and OCI
2. folks who use the recommended oils but always at severe service
3. folks who use boutique oils in the recommended weight at severe service
4. folks who've used higher HT/HS oils at severe service
etc.

It really hasn't made a difference to the issue.

Last edited by wemay; 04/07/20 01:28 PM.

2019 Volkswagen Passat Wolfsburg TSI: STP Euro 5W40, STP S11784XL
2013 Hyundai Santa Fe Sport 2.0T: RGT 5W30, H/K Filter
Re: GDI Rod Bearings [Re: Ded Mazai] #5396458 04/07/20 01:40 PM
Joined: Mar 2007
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hemitom Offline
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Originally Posted by Ded Mazai
5W-50 is the answer. The rod insert material is too soft so you can't do much about it. Over time the inserts get deformed.



Really 5w50 ! doubt that will help anything.


2009 Saturn Vue.
2015 Mustang GT Convertible.
Re: GDI Rod Bearings [Re: Triple_Se7en] #5396462 04/07/20 01:47 PM
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CT8 Offline
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Oil won't fix a problem.


2015 F150 2.7
2018 F350 6.2
Re: GDI Rod Bearings [Re: hemitom] #5396475 04/07/20 01:53 PM
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borgward Offline
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Originally Posted by hemitom
Originally Posted by Ded Mazai
5W-50 is the answer. The rod insert material is too soft so you can't do much about it. Over time the inserts get deformed.



Really 5w50 ! doubt that will help anything.


That may get you down the road. (Some guys gave me a Dodge Dart - quit running on them. I got it started, determined it had a rod knock. I was on foot for several weeks so I put 90 gear oil in it and drove it for 2 weeks. Took an extra battery to get it started. People would blow their horn and yell that I had a rod knocking. I played dumb. Was still running when I had my car running. Left it on the side of the road with the keys in the ignition.)

The real answer is a class action lawsuit if this is happening so often.

Are better bearings available to retrofit these engines? That's a lot of work unless you can easily drop the pan to replace the rod bearings.
.

Re: GDI Rod Bearings [Re: Triple_Se7en] #5396487 04/07/20 02:04 PM
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Posts: 12,250
wemay Offline
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There's been a settlement that includes extending the powertrain warranty to 200K miles and free engine replacements for all subsequent owners.


2019 Volkswagen Passat Wolfsburg TSI: STP Euro 5W40, STP S11784XL
2013 Hyundai Santa Fe Sport 2.0T: RGT 5W30, H/K Filter
Re: GDI Rod Bearings [Re: Triple_Se7en] #5396502 04/07/20 02:14 PM
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Chris142 Offline
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The engineers need to get engineering a fix.


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: GDI Rod Bearings [Re: Triple_Se7en] #5396521 04/07/20 02:42 PM
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Cujet Offline
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I dispute the claim that oil won't help. It seems that a more viscous oil is at least part of the solution. Here in South Florida, some have gone to synthetic 10W-30 with no reported problems.


People who count on their fingers should maintain a discreet silence.
Re: GDI Rod Bearings [Re: Cujet] #5396532 04/07/20 02:48 PM
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wemay Offline
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Originally Posted by Cujet
I dispute the claim that oil won't help. It seems that a more viscous oil is at least part of the solution. Here in South Florida, some have gone to synthetic 10W-30 with no reported problems.


Makes no difference. Some folks on the H/K boards have gone the route you propose and suffered the same fate. Many with the 2.0T going with Xw-40 oils have also suffered this fate. It really is the luck (or lack there of) of the draw.

But, all this being said. We've owned a few Hyundai and one Kia since 2010 and all have been impressively reliable and durable. I wouldn't hesitate to purchase another.

Last edited by wemay; 04/07/20 02:56 PM.

2019 Volkswagen Passat Wolfsburg TSI: STP Euro 5W40, STP S11784XL
2013 Hyundai Santa Fe Sport 2.0T: RGT 5W30, H/K Filter
Re: GDI Rod Bearings [Re: Triple_Se7en] #5396539 04/07/20 02:58 PM
Joined: Sep 2006
Posts: 274
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stroked93 Offline
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spark knock is a major contributing factor in rod bearing failures where lubrication is not at fault. The small cubic inch, low rpm engine load is suspect in many newer GDI engines.

Re: GDI Rod Bearings [Re: Triple_Se7en] #5396562 04/07/20 03:32 PM
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atikovi Offline
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Originally Posted by Triple_Se7en
Do I sell - or trade-in my Hyundai (with only 11k) this year?


Don't they come with a 100k warranty?

Re: GDI Rod Bearings [Re: Triple_Se7en] #5396607 04/07/20 04:11 PM
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Lolvoguy Offline
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Originally Posted by Triple_Se7en
Do I sell - or trade-in my Hyundai (with only 11k) this year?

Bingo!
And next time make sure to do your homework before throwing good money down the toilet.
spank


06 Lexus IS350- Wife
88 BMW 325is- Mistress
Say "no" to Turbo!
Re: GDI Rod Bearings [Re: Lolvoguy] #5396612 04/07/20 04:16 PM
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wemay Offline
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Originally Posted by Lolvoguy
Originally Posted by Triple_Se7en
Do I sell - or trade-in my Hyundai (with only 11k) this year?

Bingo!
And next time make sure to do your homework before throwing good money down the toilet.
spank


The histrionics are always on display when visiting BITOG LOL


2019 Volkswagen Passat Wolfsburg TSI: STP Euro 5W40, STP S11784XL
2013 Hyundai Santa Fe Sport 2.0T: RGT 5W30, H/K Filter
Re: GDI Rod Bearings [Re: Triple_Se7en] #5396624 04/07/20 04:25 PM
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csandste Offline
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You hear about the ones that gernade not the ones that don't. Relax, at least the 2.4 has an extended warranty. Family and I have had a whole slew of HyunKia's without problems.


2017 Kia Soul+ Valvoline Daily Protection 5w30+ a bit of Harvest King syn 5w30-- 75,000 miles
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