TSB's
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136 Posts
Erin Mills Hyundai in the auto mall updated my ECU for the rev hang issue and i have a 2.0T auto, L J u should go check it out it was free to lolWoops, sorry man! Thought you had a 3.8 auto. You're correct, there are none (that we have) out for the 2.0T. Sorry once again.
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133 Posts
Is this the ECU update that was originally posted since winter? or is there a new one again??
I noticed rev hang getting a lil better, but still noticing it after my ecu update in winter.
I noticed rev hang getting a lil better, but still noticing it after my ecu update in winter.
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3,196 Posts
I was there and the service dude gave me a "WTF are you talking about" face. The service tech wasn't taking me seriously at all...this was the same for the last 2 visits. I didn't buy the car from that dealership. Very disappointed with the service. NOT COMING BACK THERE AT ALL!
I think I'm gonna ask 401/Dixie Hyundai, Cooksville Hyundai, or the dealer I bought my car from, Burlington Hyundai (and might as well refill my tires with Nitrogen
)
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3,196 Posts
I got my MTF changed today to the Pentosin 75W-80. It was actually labeled BMW MTF, but it is manufactured by Pentosin and used by BMW in their transmissions. Same part # and specs that Hyundai is using. This fluid is a full synthetic and if so, it's not as likely to loose viscosity in the cold. I've never heard of the stuff before, but BMW, Aston Martin, Bentley, Rolls Royce, etc all use it. Good enough for them, so good enough for a GC I guess.
The dealer I purchased my car from wouldn't take the US TSB and said the tranny shifted normally. I never experienced any grinds or pop-outs, but it was very stiff when the temperature was cold and it took alot of effort to go into gear sometimes. I have a fellow Honda enthusiast who is a Service Advisor at another Hyundai dealer in my area, so I took my car there because they had already performed a few of the MTF fluid changes to other customers GC's. I'm also guessing that because they have access to the correct Pentosin fluid, it makes it alot easier to perform the fluid change.
So, the tranny shifts flawlessly now. It goes into every gear very easily like my Civic Si. Too easily almost and it kind of feels loose or vague compared to the stiff previous fluid. I feel like I have to relearn how to shift it. My wife drove it earlier and said it feels like a different car. I think a set of the TIC bushings will firm it up a bit. I'm very happy with the results and with the service form the dealer.
The dealer I purchased my car from wouldn't take the US TSB and said the tranny shifted normally. I never experienced any grinds or pop-outs, but it was very stiff when the temperature was cold and it took alot of effort to go into gear sometimes. I have a fellow Honda enthusiast who is a Service Advisor at another Hyundai dealer in my area, so I took my car there because they had already performed a few of the MTF fluid changes to other customers GC's. I'm also guessing that because they have access to the correct Pentosin fluid, it makes it alot easier to perform the fluid change.
So, the tranny shifts flawlessly now. It goes into every gear very easily like my Civic Si. Too easily almost and it kind of feels loose or vague compared to the stiff previous fluid. I feel like I have to relearn how to shift it. My wife drove it earlier and said it feels like a different car. I think a set of the TIC bushings will firm it up a bit. I'm very happy with the results and with the service form the dealer.
And you will probably never ever find them at those places.I went everywhere canadian tire, part source, and no pentosin or mutul 75-80
PM'd you.
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67 Posts
Do you have any updated TSB's now? There was a previous post of a Canadian Genesis Coupe getting an ECU update to fix the rev hang on the Automatic transmission 2.0T. I'd like to see that one please.
The issue is noticable when driving in Sport mode and releasing throttle, the RPM stays up before dropping, on my coupe which was built April 2009.
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83 Posts
No new TSB's on the list.
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866 Posts
Just an update, I finally got a response from Hyundai Canada regarding the manual tranny fluid flush. They scheduled me in for a warranty service, which flushed my gear oil with a synthetic blend ATF (yes it's not a typo: Automatic Transmission Fluid). The difference is dramatically noticeable, when cold it's a lot easier to get into gear and not clunky. I'm sure if I put in Pentosin full synthetic gear oil it will be even better (might do that before winter starts).
As for the rev hang issue, most 3.8 should have the latest ECU program which only fix the issue on the electronic side. If you still notice a mild hang for about half a second or so, that would be caused by the dual mass flywheel. The bungee effect of the flywheel causes the hang after hard acceleration (one mass slows down while the other still accelerating due to its momentum = causes the hang) and there's really nothing you can do about it.
On HMAService.com they only labelled the dual mass flywheel on the 3.8 engine, I couldn't find a diagram of the flywheel on the 2.0T side. That's my finding. If you want the tranny flush go email [email protected] <-- customer relations
As for the rev hang issue, most 3.8 should have the latest ECU program which only fix the issue on the electronic side. If you still notice a mild hang for about half a second or so, that would be caused by the dual mass flywheel. The bungee effect of the flywheel causes the hang after hard acceleration (one mass slows down while the other still accelerating due to its momentum = causes the hang) and there's really nothing you can do about it.
On HMAService.com they only labelled the dual mass flywheel on the 3.8 engine, I couldn't find a diagram of the flywheel on the 2.0T side. That's my finding. If you want the tranny flush go email [email protected] <-- customer relations
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1,126 Posts
It's good to hear the flush has helped. If I remember I'll send them an email after work because I hate the chunkiness.
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65 Posts
I went through the Canadian TSB docs (via link provided, p.2) and noticed nothing about misaligned hood (eg. gap over driverside headlight) or manual transmission issues.
Am I to understand we don't have these issues?
Am I to understand we don't have these issues?
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