Chris Wilson Posted August 10, 2009 Share Posted August 10, 2009 My Mercedes truck has an EPS transmission (electro pneumatic selection, I think it stands for). Anyway it selects going up the box fine. All sixteen speeds with high / low range change, but coming down it will occasionally go nto neutral instead of a the next lower gear. The transmission is the earlier type with the selector lever on a central console, not on the drivers RH seat armrest. I suspect it's electrical, but need a shop manual or someone who knows their foibles. Thanks. It's perfectly drivable like this, just a bit of a PITA. Link to comment Share on other sites More sharing options...
TrickTT Posted August 10, 2009 Share Posted August 10, 2009 Does it do it between any two specific gears or just on any downchange? Have you tried the gearbox reset procedure - something to do with the manual selector knob under the flap behind the main shift lever, but its been a long time since i've driven an eps1 'box i cant remember exactly what it is. I can have a word with our mechanics at work tonight. Link to comment Share on other sites More sharing options...
Chris Wilson Posted August 10, 2009 Author Share Posted August 10, 2009 Seems to be around the high range, 6 to to 4 sort of range. Would need to analyse in more detail to be specific. Sometimes just manoeuvring from first to reverse hits a neutral. I'll get the model code and post up later, thanks! Link to comment Share on other sites More sharing options...
TrickTT Posted August 10, 2009 Share Posted August 10, 2009 Getting reverse on those boxes was always a nightmare, even when new. Slowing the change down helps. clutch..........slowly but firmly pull shifter back........... ease clutch up. They make a very distinctive sound when the shift is just right - you can usually learn to judge it just from the noise. Link to comment Share on other sites More sharing options...
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