Hyundai: Question for Hyundaitech

To check for proper refrigerant charge, I usually just evacuate the system
to check how much is in there. We don't really have that many a/c
problems, so I don't pay all that much attention to the pressure gauges
anymore. Also, as systems use less and less refrigerant, it becomes more
difficult to diagnose using pressures.

That said, I would look for something in the neighborhood of 90psi with
a/c off and 30psi with compressor running. (Give or take, of course).

What sort of problems have you seen specific to the transmission with the
automatic/2.7L engine combination (as in the Sonata, to be exact).

Estimated lifespan of this transmission?

TIA

Mostly input/output speed sensors and range switches. Very few internal
problems. I left Hyundai shortly after this tranny came out and the
dealer at which I work has only had Hyundai for about a year and a half,
so I haven't seen too many of the higher mileage cars. One of my Hyundai
tech cronies reported some major failures in the 60k to 70k range, but I
haven't seen this. Unfortunately, I haven't seen enough major tranny
issues with this trans to give you a lifespan prediction. (And that's a
good thing).

OK, thanks.

Please do me and the other followers of the group a favor and report back if
you happen to see one come in-





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"hyundaitech" <hotmail.com> wrote in message
news:talkaboutautos.com... 

I didn't mean to imply that none have come in. In various vehicles, I
think there have been about 5 of the design transmission to which you are
referring replaced at my dealer in the past year. They've all been within
the warranty period, there's been no single issue that stands out as a
problem, and they've been at largely varying mileages between a few
thousand and 70k. Comparing with the number of vehicles we service, I
view these transmission replacements as anomalies and not indicative of
the normal expected lifetime.