Likelyhood of engine failure soon? - Hyundai Elantra Forum
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post #1 of 4 (permalink) Old 07-13-2019, 11:40 AM Thread Starter
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Likelyhood of engine failure soon?

We bought a 2013 Elantra for my son with 90K. The car runs and seems great. I started reading more about it after the purchase (bad on me) but we got it very low cost. I now have read horror stories about engine failures. I also read 1 woman drove hers 1 million miles. I'm wondering how concerned I should be or what my odds are for a failure. I normally maintain my cars well and drive them over 200K.

I'm wondering if I should trade it in before the engine goes kaput. Or if I'll probably be okay. I'm wondering how many high mileage ones are here and what the odds are of having the engine knock and engine failure. I hope to keep it for 200K.
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post #2 of 4 (permalink) Old 07-17-2019, 01:21 PM
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I hope to keep my 2016 Elantra for 200k also. I got mine with last year with 78k miles and now have 104k with no major problems. The only thing I would do immediately would be to do a drain/refill of the transmission fluid and coolant if not already done. I also changed the spark plugs on my car along with routine maintenance such as oil changes every 4k to 5k miles and replaced the air filter.
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post #3 of 4 (permalink) Old 07-24-2019, 12:34 PM
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The auto trans fluid interval on the Elantra MDs w/1.8L engine is 120K. The dealer is equipped to do it and it is not a DIY job (speaking as someone that has pulled engines, replaced gas tanks, etc.) The procedure is quite focused, requiring certain temperature(s) and such. There is no transmission dipstick from which to add or draw out fluid.

Believe it or not, Amazon and WalMart both carry synthetic engine oils that rival the best of the best for quite a bit less cost. Translation: the company(ies) making the oils are the same sources for very high end synthetic oils, and in head-to-head testing you can look up on the InterWeb, perform at the same levels or are just barely edged out by far more expensive alternatives.

Iridium spark plugs are likely to last the longest while operating at a high level of performance the whole service period.

You may wish to invest in an oil-less, reusable air filter.
post #4 of 4 (permalink) Old 07-24-2019, 12:56 PM
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Did the car come w/oil change receipts or at least receipts for oil/filter purchases? If there isn't a history of oil changes to draw from, that's not awesome for any vehicle w/90K miles. Might want to do a compression check--if you can change spark plugs, you can do a compression check. Results are as much about even readings as they are about total compression--all cylinders should be within 5% to 10% of each other. Low compression would certainly signal possible poor oil maintenance, which could lead to many other issues.

Checking vacuum is another easy but valuable diagnosis procedure to help determine engine health--plenty on the subject on the InterWeb.

Checking spark plug lower insulators for sandy-tan coloring and dry (not oily) condition is another easy and fantastic way to check engine function.

90K is a good place to splurge on high-mileage synthetic engine oil. FIX ANY LEAKS IMMEDIATELY or sell the car, or fix any leaks AND sell the car. Seriously.

Engine flushing could be a great idea, or a terrible idea, depending on whom you ask. One school of thought is that the deposits that accumulate over time help keep things 'glued' in place and loosening those deposits could be asking for trouble. My take: the 'gluing' theory is the worst kind of idiocy and if anything, may be slightly masking seals and sealing surface failures that need repair.
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