Simon Wright Posted March 6, 2015 Share Posted March 6, 2015 Hi, New to this forum and though you might be able to provide me with a few answers to my questionsI have a Mk1 vitesse convertible with a Mk2 triumph 2000 engine and a GT6 gearbox with overdrive switch on gearknob.Recently I have noticed that the first few times I use the overdrive on any journey in 3rd or 4th it takes 10 secs or so to engage and does so in a very drawn our way. Disengaging is much better/normal. After using the overdrive 3 or 4 times it switches in and out much more precisely and more like it use to do 1 year or so agoAny ideas as to why this might be happening? Quote Link to comment Share on other sites More sharing options...
Clive Posted March 6, 2015 Share Posted March 6, 2015 Check oil levelcheck filtersThat would be my start point.You could change the oil too, and make sure the correct grade is fitted (ep90 GL4 spec, NOT GL5. EP80/90 or EP80 will be fine too) Quote Link to comment Share on other sites More sharing options...
Pete Lewis Posted March 7, 2015 Share Posted March 7, 2015 off a gt6 i guess this is D type (sol on rh drivers side, Jtype on passengers side ....D type you can get the solenoid slowing , not easy to remove the two screws but may need the plunger and bore getting a clean if Clives suggestion fails.also remove the valve head in the top of the case make sure the small spool valve inside has a clear hole down it., how to set the solenoid is in the workshop manual, after cleaning filters etc, operate sol, remove side plate, the lever has a hole which must align with a hole in the case using drill as a gauge.just adjust the end nut to align the holes make sure the wires down the gear stick are not chaffed and breaking down to earth inside the stick.Pete Quote Link to comment Share on other sites More sharing options...
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