Tom Woods wrote:
> On 3 Jul, 21:44, puffernutter <pe...@[EMAIL PROTECTED]
> wrote:
>
>>Muddymike wrote:
>>
>>>"Dougal" <Dou...@[EMAIL PROTECTED]
> wrote in message
>>>news:F8ednUsGjMCGjPTVRVnyvwA@[EMAIL PROTECTED]
>>>
>>>>puffernutter wrote:
>>>>
>>>>>Dougal wrote:
>>
>>>>>>puffernutter wrote:
>>
>>>>>>>The reason that we had a lack of compression in the original car
can be
>>>>>>>seen at:
>>
>>>>>>.. and there were no other symptoms ????!!
>>
>>>>>>>One last question! We now have the diff lock lever (and linkages)
>>>>>>>moving freely. The dash light works (I've tried it), but we can't
get
>>>>>>>it to light when dif lock is engaged. Now, I've seen this question
>>>>>>>before and the answer seems to be that it means that the transfer
box
>>>>>>>doesn't have it engaged, but could it be the switch? Also how easy
is
>>>>>>>it to get the switch out (how reliable are they) and is it the same
>>>>>>>type as the reversing switch?
>>
>><big snip>
>>
>>Dif Lock is engaged and I have a switch/electric problem.
>>
>>
>>>To check if it is engaging just jack one wheel off the ground and
rotate it
>>>by hand. With hand brake off and main gearbox in neutral with dif lock
out
>>>you should be able to turn one wheel, if the diff lock is locked you
can't.
>>
>>>Mike
>>
>>Jacked up, diff lock off, wheel rotated. Diff lock on, turned a 1.4
>>turn, there was a click and the dash light came on :-), one very happy
son!
>>
>>Cheers
>>
>>Peter
>
>
> And from my recent experience with the 101:
>
> If you engage the diff lock but it wont go off again when you try to
> disengage it, then jack up one rear corner with the handbrake off and
> spin the wheel until the difflock actually disengages.
> Couldnt get mine to disengage without doing that. Tried reversing and
> reversing with steering turned on gravel and it wouldnt have it!
This is completely normal. As with the lever operated devices the
position of the button/knob/lever does not indicate that the diff. lock
is engaged or disengaged only that if the other essential conditions are
met it will engage or disengage (assuming that nothing broken, of course).
In your case any torque in the driveline will prevent the dogs of the
diff.lock from disengaging. That torque could be either that resulting
from driving the vehicle or wind-up. Lifting a wheel off the ground is
one way of eliminating that torque. Driving on grass, gravel etc. is not
a sufficient condition: a wheel needs to slip. Jumping off a kerb
sometimes works as does driving on a slippery surface. Reversing is
pretty much guesswork as you are attempting to create wind-up in the
opposite sense to that which is holding the diff. lock in engagement. In
all cases I've found that going from drive to over-run makes a positive
outcome more likely.
It sounds as though you won't really have a problem in normal use. Avoid
getting it wound up in the first place - don't use the diff lock on hard
surfaces!
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