Diff Lock

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Stuballsed

Stuballsed

New Member
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Location
Oxfordshire
New member, but copious amount of Soave making me feel brave!

How do I know diff lock works?

Appears to go into selection and drives. No diff light, so could just be a bulb?

How do I test?
 
find a large gravel area, apply full lock and gas it round in a circle with diff locked. if the diff lock works youl feel the front wheels jumping outwards as the truck tries to drive in a straight line.
 
When you put it into diff-lock it doesn't always engage immediately as the collar needs to be able to slide over the two gears, if they are out by a whole tooth then the slack in the system will not be enough to let it slide in - after driving a few meters it will then jump in and the light comes on. Check that first.

To physically test it: do the above or jack a wheel a little off the ground (front or back) enough so it can spin freely and set it up so if you drive off the jack you won't cause any damage, engage diff lock jump in and try to drive off, if you sit with the jacked wheel spinning away your diff lock is not engaging - this test also loads it better than spinning it by hand to see if it has REALLY locked it up properly.

If you can't get it to engage it doesn't mean it is broken necessarily, it could just be the linkage needs adjusted.

The bulbs don't usually fail (they are not on enough) if it was to be electrical then it is more likely the wiring at the switch etc...
 
best way to find out fast, engage diff lock on tarmac, and go to drive in a circle, if the front wheels slip and queel you know its fine. if your doing this do it slow though you dont want to be breaking halfshalfs :)
 
as just been said . jack it up if the dif is in then you wont be able to turn the wheels. ive got a provlem with my Diff light. i no the diff is not in but the light is still on
 
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