Alan Cochrane Posted April 8, 2014 Report Share Posted April 8, 2014 Hi Everyone My better half and I did the "Tour Of The Kingdom" on Sunday in the GT6. This was a 200 mile jaunt around Fife in the company of 33 other assorted classics. Two problems became apaprent during the day-a groaning steering column and a very lazy overdrive. I fitted a 2500S gearbox with J-Type overdrive to the GT6 about 25 years ago. It has always had a noticeable leak or two which I'd long ago given up trying to fix. The downside of this transplant is that the filler plug is not accessable from the underside of the car. I'd planned to make up a remote filler to overcome this but hadn't got around to fitting it before last weekend. I decided instead to drill an access hole in the side of the gearbox cover. When I drained the box I managed to gather a whole half pint of oil instead of the expected 4&1/2. I'd basically been running the gearbox dry. it's a wonder the overdrive operated at all. I was advised to initially refill the gearbox with engine oil since this apparently acts like a flushing agent. The subsequent test drive was a revelation, with the overdrive switiching in and out instantaneously and no whining from the gearbox. From now on I'll be regularly topping up the gearbox to avoid this embarrassment re-occurring. I thought this might be of interest to anyone else suffering similar overdrive or gearbox whine problems. Cheers Alan Quote Link to post Share on other sites
peejay4A Posted April 8, 2014 Report Share Posted April 8, 2014 Looks like you found out the hard way that the first port of call for those symptoms is to check the oil level. Glad that it's sorted. Quote Link to post Share on other sites
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