Re: idle rev b/t manual shifting

Re: idle rev b/t manual shifting - Saab 9-5 Bulletin Board - Saabnet.com

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Re: idle rev b/t manual shifting Posted by Douglas (more from Douglas) on Tue, 17 Jun 2003 11:36:13

In Reply to: idle rev b/t manual shifting, crispin, Mon, 16 Jun 2003 12:25:08 Members do not see ads below this line. - Help Keep This Site Online - Signup

My car does the same. This is my biggest complaint about the 9-5. Seems to be most noticible on the 1-2 gear change when you shift below 4K RPM. If you shift quickly, then when you engage 2nd the engine is still spinning faster than the rest of the drivetrain and the car "lurches". I noticed this on the initial test drive, but thought I'd get used to it. Well I haven't, because it is not natural. Trying to be "predictive" by releasing the throttle before pressing the clutch can help a little, but doesn't always work. Bottom line is that you have to either rev the engine high before shifting, or else shift slowly (keep the clutch disengaged long enough to allow the engine to slow down). I've driven plenty of other (older, cheaper) manual transmission cars, and none of them had this issue.

I'd love to find a solution to this annoying trait. I suspect that it is programmed into the ECU though. Perhaps an aftermarket ECU would help? Can anyone with an aftermarket ECU comment on their experience?

posted by 216.36.6...

Posts in this Thread:

idle rev b/t manual shifting, crispin, Mon, 16 Jun 2003 12:25:08
- Re: idle rev b/t manual shifting, Douglas, Tue, 17 Jun 2003 11:36:13 <-- Viewing This Message
- Re: SMG, John Stedman, Tue, 17 Jun 2003 08:22:11
- Problem with modern drive-by-wire design, T Randell, Tue, 17 Jun 2003 05:23:47
  - Problem is not the drive by wire or the electronics, Lou, Tue, 17 Jun 2003 07:23:54
    - Just how do you do a heal-toe down-shift with automatic, J, Thu, 19 Jun 2003 21:56:43
      - Do not understand your thoughts on this, Lou, Fri, 20 Jun 2003 11:49:23
    - Is Lou right ? Manual trannies doomed?, Charles, Wed, 18 Jun 2003 16:55:43
      - Re: Is Lou right ? Manual trannies doomed?, Lou, Thu, 19 Jun 2003 04:17:51
      - nah..., Jason 0W-40, Wed, 18 Jun 2003 18:34:52
        Re: Let's face it..., AeroLady, Thu, 19 Jun 2003 06:40:16
        Re: Let's face it..., Lou, Thu, 19 Jun 2003 13:48:14
        Re: Let's face it..., AeroLady, Thu, 19 Jun 2003 14:48:55
        Yes I did, Lou, Fri, 20 Jun 2003 11:25:43
        My stick shift Aero gets 33-34 mpg hwy. Touche!! (n/m), Jason 0W-40, Sat, 21 Jun 2003 13:53:02
        high five to ya, AeroLady! :-) (n/m), Jason 0W-40, Thu, 19 Jun 2003 13:26:37
        Re: Thanks Jason! n/m, AeroLady, Thu, 19 Jun 2003 14:43:42
        Keep high fiving, Lou, Thu, 19 Jun 2003 13:50:40
        Fingertips, John Stedman, Thu, 19 Jun 2003 21:38:53
        Shifting while cornering?, Lou, Fri, 20 Jun 2003 05:13:59
    - Because I enjoy it!!! (n/m), T Randell, Tue, 17 Jun 2003 20:06:09
    - disagree with that-problem is NOT transmission choice, Jason 0W-40, Tue, 17 Jun 2003 17:27:17
      - Think you missed my point, Lou, Tue, 17 Jun 2003 18:53:35
        Re: Think you missed my point, Jason 0W-40, Tue, 17 Jun 2003 23:09:37
        Lou, WTF are you talking about???, John Stedman, Tue, 17 Jun 2003 21:14:21
        Re: Lou, WTF are you talking about???, Lou, Wed, 18 Jun 2003 05:53:01
    - Are the Trionic 7 and Holley 750 compatible?, bRAD, Tue, 17 Jun 2003 07:33:26
- I noticed the same thing, but..., Ivan, Mon, 16 Jun 2003 19:08:36
- "They all do that", Stephen Goldberger, Mon, 16 Jun 2003 18:49:46
  - Thank You Stephen, Brooks G, Mon, 16 Jun 2003 19:29:47
- Re: idle rev b/t manual shifting, jokikeke, Mon, 16 Jun 2003 17:42:06
- Actually, its a good way to SAVE your clutch, bRAD, Mon, 16 Jun 2003 13:08:56
- Re: idle rev b/t manual shifting, sonett43, Mon, 16 Jun 2003 12:39:50

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