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diff lock


Archie
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Ive just been out to my 1995 300tdi es, i was messing about with the Diff lock control by the gear stick.

It was really hard to move from H to L an but it went in ok, is this normal or is it because of lack of use.

Also there isnt a diff lock light on the dashhboard, even though i did lock the diff, would the light Not coming on mean there could be a problem driving in 4 wheel drive when off road. Is there anyway i can test it to see if the 4x4 is working without taking it off road.

Many thanks

Archie

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Lack of use is most likely

Jack up one front wheel with the handbrake on and the vehicle in neutral. It should spin freely. Now engage diff lock - it shouldn't. If the wheel locks and will not spin, the switch is probably the culprit, if it doesn't, its probably transfer box surgery time...

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I had issues with my difflock being hard to engage, and then not staying engaged. In the end I came to the conclusion that the lever wasn't moving far enough accross to get difflock to engage fully.

First thing I did was to go underneath and spray wd40 on the linkage to make sure it was all free to move. After a while though, i ended um making the link between the lever and the transfer box slightly longer so it took less movement of the gearstick to put it fully into difflock...

I would do as Mr. Monster suggests, but also crawl underneath and check your linkages...

Cheers

Mark

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Thanks for the replies, ill get it a good dosing with WD later after work.

Archie

WD40 is great for getting things going, but not too hot for long term lubrication of exposed linkages - I find a spray with motorcycle chain wax (I use Castol - works really well and has the best applicator) works a treat. It comes out solvent-thin so it gets in between the links, it lubricates ok and has an anti-corrosion additives, keeps out water, and doesn't attract too much muck.

TwoSheds

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Thanks for all the replies ive got it sussed now i think, ive give it a good dosing with 4x4 and its losened it up, i can now lock the diff and get the light on the dash,

I will get some of that spray TwoSheds at the weekend.

Just one more point, is the discovery full time 4x4?

Archie

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