i agree with you. adjust throttle switch per workshop manual. it is working
exactly the opposite as it should. i have the same set-up as you -- 3.54 with
28% od.
Simonlachlan@aol.com wrote:
>
> Hi, I am back from a short break and have yet to apply myself to the
> overdrive issue. See below
> ""One for the gurus....
> Background first:-
> I have all new overdrive mechanicals which worked fine until just recently.
> I have a 28% ratio o/d unit.
> Plenty of good clean oil in gearbox, first thing I checked.
> Overdrive on/off switch is new and works fine.
> Switch on gearlever is not new but works fine.
> I have not messed around with carbs or related linkage.
> Solenoid sounds healthy and engages overdive firmly.
> (I have a 3:54 diff, so the revs may seem a little low to you, especially
> coupled to a 28% o/d)
>
> So, the symptoms
> If I am driving along at about 1,900revs with my car in overdrive/4th,
> she'll jump out of overdrive if I raise the revs/speed with the accelerator.
> If I then decelerate back to 1,900 (+/-) she'll pop back into overdrive.
>
> The question:-
> Am I right in assuming that the overdrive switch (on the bulkhead/linked to
> accelerator linkage) is the first place to look?
> And, am I right in believing that it is really the only logical place to
> look?""
> So:-
> I had a few replies, but - to be honest - everyone has their pet area so
> there was no agreement..."try solenoid", "try the relay", "try the gear stick
> switch", "try the solenoid switch" etc. No agreement anywhere! Such is life!
> Now, I revert to the original question...is there any way it could be
> anything other than the throttle switch??
> Surely if the Overdrive is engaged, increasing the revs cannot get the (new)
> solenoid to drop down? Likewise, how can an increase in revs cause the relay
> to operate?
> I am absolutely not denigrating the kind replies - just acknowledging that
> I'm baffled thus far and hope for explanations!!
> Yr's,
> Simon.
>
> **
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