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thebradfather

New Member
Sep 2, 2021
10
14
3
UK
Hey everyone,
Over the past few weeks I have experienced this weird sudden juddery loss of power while under hard/medium acceleration only way I can think to explain this is imagine quickly flicking a light switch off and back on a couple times, my first thought was maybe the traction control being overly sensitive but didnt notice any light on the dash. Anyway it wasnt happening everyday so I had rang the garage to get the car booked in on the 20th of December.

Unfortunately while driving home on the 17th of December from work as I drove up the dual carriageway I had the same juddery loss of power followed by a quick sudden crunchy noise from the front end immediately followed by loss of power as the revs slowly dropped, as I came to a stop the engine turned off showing check abs fault? and would only make a clicking sound while trying to restart. So I sit there hazards on and ring the hyundai roadside assistence who arrived in 15 minutes lovelly. Attempted to restart the car 5 minutes later only to cause a huge cloud of white smoke from the exhuast as the engine tried to restart but never succeeded.

Inspection under the bonnett the coolent was non existent not even a drop which im sure was topped up. All the temperatures were fine before this happened oil and coolent temps.

The car is now sat outside Hyundai's garage waiting for inspection Monday. The AA guy suggested the head gasket had gone because the oil dipstick was the wrong colour and not the consistency oil should be as if mixed with the coolent.

Info on the car is a 2019 i30n, 17,000 miles, hasn't missed a service and recently had the bigger service job 3-4 months ago

Will update soon, any suggestions?
 
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Sorry to read about this. Keep the board updated and hope it all works out fine for you
 
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If the OP was in Darwin, he'd have Hyundai Darwin in his corner. There would be no better place to have the car treated with TLC
Seriously though, should be covered under warranty all things being equal. Can only assume the vehicle has been properly maintained and treated with respect. @thebradfather it does indeed sound like a head gasket but why is the big question - this is far from common for this car. Good luck mate, and keep us posted.
 
Warranty Job. They will check the engine logs to make sure nothing went wrong user error wise but should be fine. It's not a quick job getting an engine so be warned.
 
Did the Hyundai mechanic check the coolant level before trying to start the car? Sounds like a big error if not.
I was going to say fuel pump, but even if that failed completely it shouldn't blow the engine. Certainly sounds like headgasket now. Wonder if coolant was changed at service and a hose left off or something?
 
Hi everyone,

Quick update the garage have looked this morning at the car and have said they suspected the head gasket is the cause.

Only been told so far they’ve raised a case with Hyundai and are waiting for a reply to start stripping into the engine, still waiting to see if it’s covered under warranty.

I don’t know a lot about what warranty covers but this has to be a perfect example why we have warranty?

Thanks
 
Hi everyone,

Quick update the garage have looked this morning at the car and have said they suspected the head gasket is the cause.

Only been told so far they’ve raised a case with Hyundai and are waiting for a reply to start stripping into the engine, still waiting to see if it’s covered under warranty.

I don’t know a lot about what warranty covers but this has to be a perfect example why we have warranty?

Thanks

Absolutely should be covered by warranty, particularly seeing as you have been getting it serviced regularly and on time...
 
They’ll run a series of inspections including a compression check that will note any deviations from factory specifications. Hyundai Warranty covers engine mechanical complete. They may charge you for oil and fluids this will be at their discretion.

Any failures such as a head gasket will be covered under warranty as well.👍🇺🇸

Merry Christmas
 
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... waiting to see if it’s covered under warranty.

I don’t know a lot about what warranty covers but this has to be a perfect example why we have warranty?
No such thing, e.g. if a stone has been flung up and damaged a coolant pipe or holed the radiator then not covered.

My Peugeot 205 had a holed water pump (fortunately didn't cause engine failure) at under a year old, one year warranty in those days. They argued stone damage. I argued not fit for purpose as stone is foreseeable and casing should be robust enough to resist one. Went round in circles a few times and then I gave up, wanting my car back. Leaves a bitter taste though.

Only three certainties in life; death, taxes and that warranty claims are never as clear cut as the owner thinks.
 
No such thing, e.g. if a stone has been flung up and damaged a coolant pipe or holed the radiator then not covered.

My Peugeot 205 had a holed water pump (fortunately didn't cause engine failure) at under a year old, one year warranty in those days. They argued stone damage. I argued not fit for purpose as stone is foreseeable and casing should be robust enough to resist one. Went round in circles a few times and then I gave up, wanting my car back. Leaves a bitter taste though.

Only three certainties in life; death, taxes and that warranty claims are never as clear cut as the owner thinks.

Why didn't the car signal that temp is rising or something?
 
Why didn't the car signal that temp is rising or something?
How religiously do you monitor your temperature gauge? Depends how catastrophic the failure was.

I had an Impreza where if you were off boost everything was hunky dory, no loss of coolant, drove as normal. If you exceeded say 4000 rpm and boosted then the head would lift and water temps soared. Never got contaminated oil though. As I knew about it it was quite usable. Could be similar with a step change in behaviour, not a gradual transition.
 
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I had an Impreza where if you were off boost everything was hunky dory, no loss of coolant, drove as normal. If you exceeded say 4000 rpm and boosted then the head would lift and water temps soared. Never got contaminated oil though. As I knew about it it was quite usable. Could be similar with a step change in behaviour, not a gradual transition.

Now you say that about the boost, only when the turbo gauge raised past a certain psi it would show signs the engine wasn’t happy…
 
Hey everyone,
.... I had rang the garage to get the car booked in on the 20th of september.

unfortunately while driving home on the 17th of september from work as I drove up the dual carriageway...
...So I sit there hazards on and ring the hyundai roadside assistence who arrived in 15 minutes lovelly. Attempted to restart the car 5 minutes later only to cause a huge cloud of white smoke from the exhuast.....
Hi BradFather, sorry I could be silly, but I don't understand it exactly.
Something has happened to your car "on the 17th of september", white smokes and things like that. And you shared this story on "Dec 18, 2021 at 4:11PM, Saturday"
What's happened in between ? I don't unsderstand the chronology.
 
Hi BradFather, sorry I could be silly, but I don't understand it exactly.
Something has happened to your car "on the 17th of september", white smokes and things like that. And you shared this story on "Dec 18, 2021 at 4:11PM, Saturday"
What's happened in between ? I don't unsderstand the chronology.

Ohh that’s a huge face palm on my part, I was suppose to say December… is there a way to edit the post? Sorry I can only imagine I was thinking about when we bought the car in September and miss typed
 
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Ohh that’s a huge face palm on my part, I was suppose to say December… is there a way to edit the post? Sorry I can only imagine I was thinking about when we bought the car in September and miss typed
No. You have only 10 minutes to edit, as far as I know. No problem, I understand now.
 
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Fixed! Merry Xmas. Hope they get you sorted soon mate, please do keep us updated.
Thanks, they have had the go ahead to start looking into the engine so will hear in the new year what progress they made. I also hope it wont be too long but it is what it is, I cant say the 1.5 litre mini cooper I now have as a loan car is "exciting" but atleast I have something. Merry christmas!