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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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Overdrive funnyViews : 1022 Replies : 1Users Viewing This Thread : |
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Aug 30th, 2002, 21:52 | #1 |
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Overdrive funny
Jsut come back from a trip on the motorway and here is what happens:
On ordinary roads on the way to the motorway, i.e. below 60 mph and 2500 rpm, the overdrive seems to work, although sometimes it refuses to engage and sometimes it engages but then the whole car shakes badly. I come on to the motorway in overdrive and then, when I accelerate to about 70 mph, the overdrive just disengages, but I cannot feel anything, not the usual jerk when it comes on and off. Doing 70-75 mph at 3500-4000 rpm. Come off the motorway, down a dual carriage way, nothing, then back onto the motorway again (throughout, I keep pressing the overdrive button when I want it on, and if nothing happens I leave it on, the light works fine) and then after a mile or so on the motorway, the whole car goes bang and the overdrive is back. It stays engages the whole way, and when I come off, it disengages when I change gear down, I then go 2-3-4 and press overdrive button but nothing and it refuses to come on again the whole way back home. George '87 745 GLE Turbo Diesel Intercooler '88 745 Turbo Intercooler |
Aug 31st, 2002, 00:12 | #2 |
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Last Online: Apr 10th, 2014 00:01
Join Date: Feb 2002
Location: Tonyrefail
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RE: Overdrive funny
Seems like a very poor electrical connection or the relay is playing up in the usual high mileage way. Also ensure that the earth from the overdrive is making a good contact to the chassis of the car.
All the best, Peter. |
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