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Funny. Waiting for me mixed grill in The Quantock pub on edge of Bridgwater. Need food. Left hand is still juddering from the vibrations.
Finally got home at about 5pm.
Massive thanks to LZIR bods who were on alert throughout.
Drover is going to be stripped tomorrow morning ready for a bit of a prod and poke around the transmission tunnel area as I suspect it may well be the hi/low linkage has gone slack - if such a thing be possible - as it was jumping out of hi and into neutral if no pressure was kept on the stick!!
My left hand has stopped vibrating now - the pity is I didn't be bothered to rough engineer something between the stick and under dash panel!
So in summary.... intermittent noise like a piece of tin being hit by something big n spinny with occasional thumps, then culminating in the problem showing itself with the hi/low jumping out of drive - suspect slack linkage, will report back for the greater good when all sorted.
I now have an intimate feeling for the vagurees of me gearbox. Literally!!
Funny thing was - at the toll queue on the severn bridge I thought and even said to SWMBO, I could rig sommat up with an open ended spanner and a blob of tack to end me pain - but I didn't!!
I now know how Drover feels at all speeds in most gears/road conditions through the secret powers in me left hand!
Stripped the interior back so that I could access the tranny tunnel - guess what... couldn't replicate the fault on me test drive so I suspect that the foam rubber sound proofing was stopping the hi/low selector from engaging properly - I guess it was just catching enough to allow me to get drive.
Going to drive it with just the rubber gasket in place this week and then weather permitting next weekend I'll strip the selector linkage back - clean it and put it back together and give it a loving lube!
Did notice that one of the clevis pins had been replaced with a nut and bolt, so that will be sorted back to what it should be!!
Anyone know the part number for the foam rubber sound proofing as I can't for the life of me find a number.