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-   -   Auto transmission upshift problem (http://www.perth-wrx.com/vb/mechanicals/50803-auto-transmission-upshift-problem.html)

knillink 30-08-2012 03:00 PM

Auto transmission upshift problem
 
[FONT=Trebuchet MS]Hi guys, I have been a perth-wrx member (thou I dun own a rex) for a whole, hoping you guys can provide some feedback.[/FONT]
[FONT=Trebuchet MS] [/FONT]
[FONT=Trebuchet MS]My Evo GTA (auto transmission) is having a problem upshifting from 3rd gear to 4th gear under hard acceleration. The RPM will reach redline then drop and goes up again a couple of times before shifting to the next gear.

Its fine during normal driving.[/FONT]
[FONT=Trebuchet MS] [/FONT]
[FONT=Trebuchet MS]Is it some serious transmission problem? The transmission fluid is above the required level.[/FONT]

mattmy99 30-08-2012 03:09 PM

[QUOTE=knillink;705641] The transmission fluid is above the required level.[/QUOTE]

Why?

knillink 30-08-2012 03:13 PM

Meant to mean the fluid level is adequate.

Philbo 30-08-2012 03:14 PM

[url]Www.perth-evo.com[/url] :/

Sent from my GT-I9300T using Tapatalk 2

PoktRokt 30-08-2012 03:18 PM

[QUOTE=Philbo;705644][url]Www.perth-evo.com[/url] :/

Sent from my GT-I9300T using Tapatalk 2[/QUOTE]

Their member base is quite small and not as interactive as pwrx and considering pwrx has quite few current and ex Evo owners it's a legit thread IMO.

Call Jamie at Tokyo Motorsport or maybe take it in! 9358 2829 (I think)

johnvk7 30-08-2012 03:47 PM

Will need someone to look at it, if fluid level is correct, it may be a valve body problem.
But, a workshop will be able to access the control module and get a better idea
Not hitting rev limiter?

Kato 30-08-2012 03:51 PM

[QUOTE=PoktRokt;705645]Call Jamie at Tokyo Motorsport or maybe take it in! 9358 2829 (I think)[/QUOTE]

^^ This.

knillink 30-08-2012 03:52 PM

Just before hitting the rev limiter when the car struggles to up shift. It only occurs during hard acceleration. Normal driving the tranmission has no hiccup.

[QUOTE=johnvk7;705648]Not hitting rev limiter?[/QUOTE]

GTB Liberty 30-08-2012 03:58 PM

[QUOTE=PoktRokt;705645]Their member base is quite small and not as interactive as pwrx and considering pwrx has quite few current and ex Evo owners it's a legit thread IMO.

Call Jamie at Tokyo Motorsport or maybe take it in! 9358 2829 (I think)[/QUOTE]

Says ye who has been takeby the dark side ... :)


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