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Gearbox Gearbox & Clutch Discussion

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Bigbruiseral said:
Well if there reading this not a chance would I anything other then a fully fitted replacement on a non tracked 5000km car I would rather take them to small claims and make sure everyone on social media knew the clutches are not fit for purpose

Hyundai wont allow the demonstrators to be sold for 90 days, I have too wait 8 days even though all the paper work had been done and I had paid in cash lol
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I'm in a similar boat. Bought a demo (couldn't be arsed waiting 6 months for one), but can't receive the car until they get another one in to have on the floor. They said it was something about Hyundai pressuring them to have at least one N on the floor at all times, but we do have an agreement (contracted) that the car will not exceed a certain amount of kilometres. And to be honest, I've driven past quite often and it looks to be in the exact same spot as when I test drove it, with a big sign on the window saying "CAR HAS BEEN PURCHASED, NOT AVAILABLE FOR TEST DRIVE UNLESS UNDER SPECIAL CIRCUMSTANCES"

And they've been pretty good, the car they are getting in to replace is being delayed by a few weeks, but they are still honouring my agreement to receive the car next week.
 
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Man you're game. Don't know how mission critical the "keep it under 3000rpm for 1000km" is but when I took one for a test drive the Hyundai rep said "Yeh just go for it". lol.
 
foamy said:
Man you're game. Don't know how mission critical the "keep it under 3000rpm for 1000km" is but when I took one for a test drive the Hyundai rep said "Yeh just go for it". lol.
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I think there is a huge area between keeping it under 3k rpm and going at hard. Generally the break-in process I treat more as a peace of mind thing, should anything fail etc I won't have the doubt that it's because I mistreated the car going against what manual said. A sporty car as a demo will obviously be ragged around hard, anyone who gets to drive it wants to give it to her, because that's the car's purpose, I still highly doubt such treatment could break the car/engine... I think if at all it might come out in some years tho in higher fuel consumption, maybe some oil consumption... slightly lesser performance perhaps... I don't think it makes much difference if you'll be changing cars in 3-4 years... If all goes well I want to keep mine a little longer, I'm still telling myslef half year wait is worth it...
 
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asd said:
I think there is a huge area between keeping it under 3k rpm and going at hard. Generally the break-in process I treat more as a peace of mind thing, should anything fail etc I won't have the doubt that it's because I mistreated the car going against what manual said. A sporty car as a demo will obviously be ragged around hard, anyone who gets to drive it wants to give it to her, because that's the car's purpose, I still highly doubt such treatment could break the car/engine... I think if at all it might come out in some years tho in higher fuel consumption, maybe some oil consumption... slightly lesser performance perhaps... I don't think it makes much difference if you'll be changing cars in 3-4 years... If all goes well I want to keep mine a little longer, I'm still telling myslef half year wait is worth it...
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As I said. Running in is not all about the engine. Fit new brake pads, bed them in. New tyres, don't launch when they're brand new. New clutch, bed it in. The performance and longevity of all of these parts is enhanced by a thousand miles of restrained driving.
 
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Wow.. A busted clutch at 5000kms is ridiculous, I haven’t seen this at all on the common issues thread so I’m hoping this is only an isolated incident, I’m getting mine in October so I don’t need these kinds of story’s, anyone know how long these clutches are expected to last?
 
Just had a thought regarding this issue and it may be a fault with the car. Could the rev matching not be working properly and instead of matching the revs to the speed in down or up shift, it doesn't monitor or control the rpms and instead keeps it spinning at the same speed possibly causing extra wear? If this happens in launch control it would mean the clutch gets burnt out pretty quickly. Just something you may be able to throw back at Hyundai.

Im not a mechanic so have no idea about anything car related besides what I watch on youtube but just a thought for the mechanic to monitor at the workshop.
 
Riviat said:
Just had a thought regarding this issue and it may be a fault with the car. Could the rev matching not be working properly and instead of matching the revs to the speed in down or up shift, it doesn't monitor or control the rpms and instead keeps it spinning at the same speed possibly causing extra wear? If this happens in launch control it would mean the clutch gets burnt out pretty quickly. Just something you may be able to throw back at Hyundai.

Im not a mechanic so have no idea about anything car related besides what I watch on youtube but just a thought for the mechanic to monitor at the workshop.
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Yeah I considered this same theory the other day. I think it’s viable but I can’t convince myself that it would be the cause.
 
The rev matching should reduce wear on the clutch by matching the speed of both sides so when the clutch engages there is no differential and no wear (perfect set up). Even if the rev matching doesn't work at all then it is no different to a normal gear change so shouldn't cause increased wear.
 
speedking said:
The rev matching should reduce wear on the clutch by matching the speed of both sides so when the clutch engages there is no differential and no wear (perfect set up). Even if the rev matching doesn't work at all then it is no different to a normal gear change so shouldn't cause increased wear.
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Agreed... BUT if you drag the clutch and are not snappy about it, it could wear the clutch but like I said I still can’t convince myself that it’s the culprit.
 
There are other possible causes that may not be a fault of a burnt out clutch which I found below. Section 1 of the first category

https://axleaddict.com/auto-repair/Bad-Clutch-Symptoms

Pasted the appropriate section below:
*Clutch linkage in need of adjustment
*Clutch linkage or cable binding (cable housing filled with rust)
*Clutch linkage bent, misaligned, or damaged
*Blocked master cylinder compensation port
*Pressure plate weakened or warped
*Clutch assembly contaminated with oil (because an engine or transmission oil seal is leaking)
*Broken motor mount
 
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That should fix it....
 

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Eddie Awesome said:
So when I'm idling and in neutral, I press the clutch. No noise.

As soon as I release the clutch, there is a knocking noise.

Possibly gearbox input bearing or clutch ? I have contacted Hyundai so just waiting for them to come back to me.

Just wondering if anyone else got this too :p

6k miles on the clock
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I have the same issue! I showed it to the repairman at the dealership i bought the car from and they said it must be normal as they have not got anything similar report so far.
 
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My mx5 used to do this too so I see it as normal.
Gear wise the only thing I have issue with is occasionally struggle to get 5th gear, but it's getting less often as the miles pile on.
 
Eddie Awesome said:
So when I'm idling and in neutral, I press the clutch. No noise.

As soon as I release the clutch, there is a knocking noise.

Possibly gearbox input bearing or clutch ? I have contacted Hyundai so just waiting for them to come back to me.

Just wondering if anyone else got this too :p

6k miles on the clock
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It's completely normal. I've talked to N engineer on Saturday and it's just matter of how this cluth is constructed. Basically every highly-resistant trasmission makes this knocking noise.
 
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Mine dosn't... And I'm sure the majority of members on here also don't here these "normal" noises on releasing the clutch.
 
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Mick Harris said:
Mine dosn't... And I'm sure the majority of members on here also don't here these "normal" noises on releasing the clutch.
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Without some sort of recording it will always be somewhat hard comparing cars vs ears, does the car make that sound but some people don't hear it or do some cars not make the sound... o_O
 
It's easy when you don't here anything.... Why should the clutch make any noise at all when it's engaged or disengaged... Unless the thrust bearing is suffering from wear.
 
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