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Car Forum / Volkswagen / Water Cooled Volkswagen Cars / October 20061999 Passat tdi auto problem
Will not change into top gear until 38mph, even going down hill. At that speed it changes even going uphill. At 30mph on the level the revs are 2000, the same as 60mph. A previous auto problem in which there was a reluctance to change at 70mph was found by my VW garage to be due to a broken wire to the speed sender. That cost £97 to find and repair! Suggestions welcome. Roy Ticehurst > Will not change into top gear until 38mph, even going down hill. At that > speed it changes even going uphill. At 30mph on the level the revs are > 2000, the same as 60mph. A previous auto problem in which there was a > reluctance to change at 70mph was found by my VW garage to be due to a > broken wire to the speed sender. That cost £97 to find and repair! > Suggestions welcome. From that post, it doesn't sound as though there's anything wrong with it. Just to test it - what happens if you floor the throttle pedal when you're going uphill after the 'box has changed up into top? If it kicks-down a gear or two, then there's nothing wrong with it.  SignatureSteveH 'You're not a real petrolhead unless you've owned an Alfa Romeo' www.italiancar.co.uk - Honda VFR800 - Hongdou GY200 - Alfa 75 TSpark Alfa 156 TSpark - B6 Passat 2.0TDI SE - COSOC KOTL BOTAFOT #87 - BOTAFOF #18 - MRO # - UKRMSBC #7 - Apostle #2 - YTC # >> Will not change into top gear until 38mph, even going down hill. At that >> speed it changes even going uphill. At 30mph on the level the revs are [quoted text clipped - 10 lines] > > If it kicks-down a gear or two, then there's nothing wrong with it. If it *does* seem to be playing up (has it's behaviour changed? I'd not be surprised with one not going into top until 38mph), then the first step is to get any fault codes read. Remember that VW autoboxes learn your driving, so if you've been hammering it lately, it might have altered it's shift pattern. Chris, remember that as the cars mileage increases it takes an increasing number of drive cycles for the VW box to re-learn a particular driving style so if the driving style has only recently changed, it is unlikely to be due to this. Dave. >>> Will not change into top gear until 38mph, even going down hill. At >>> that [quoted text clipped - 18 lines] > Remember that VW autoboxes learn your driving, so if you've been > hammering it lately, it might have altered it's shift pattern. > Remember that VW autoboxes learn your driving, so if you've been hammering > it lately, it might have altered it's shift pattern. When did these 'Intelligent Systems' begin? Does my Mk2 Golf auto1990 have this 'neural network'? Tod > > Remember that VW autoboxes learn your driving, so if you've been hammering > > it lately, it might have altered it's shift pattern. > > When did these 'Intelligent Systems' begin? Does my Mk2 Golf auto1990 have > this 'neural network'? No, AFAIK, the 'box in the MkII is the same 3 speed slush-box as found in my old MkI cabrio. SignatureSteveH 'You're not a real petrolhead unless you've owned an Alfa Romeo' www.italiancar.co.uk - Honda VFR800 - Hongdou GY200 - Alfa 75 TSpark Alfa 156 TSpark - B6 Passat 2.0TDI SE - COSOC KOTL BOTAFOT #87 - BOTAFOF #18 - MRO # - UKRMSBC #7 - Apostle #2 - YTC # |
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