Can't turn off Centre Differential lock [solved] - Toyota RAV4 Forums
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#1 (permalink) Old 01-12-2010, 08:03 AM
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Can't turn off Centre Differential lock [solved]

After using 4WD for the last week I have switched off the Cenre Differential Lock but the beeping noise has continued for over a couple of minutes although the light is out. Does this mean the 4wd is still on and if so how do I get it off? Also is it dangerous to drive on dry roads with the 4WD still on?
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#2 (permalink) Old 01-12-2010, 09:52 AM
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The cdl is vacuum operated, and sometimes takes a while to stop beeping.
I dont know if its always locked when beeping.
It might help to unload the diff, stop, go, reverse, etc, it wont unlock with force on it.
If its locked and you drive on dry roads, it MIGHT cause problems, but keep in mind, with it locked, you have ONE front, and ONE rear wheel providing drive, which is not like having all four wheels locked. The differentials can still switch between right and left wheels, so I dont think it is a big deal, but not the best thing you can do....

If its cold, the gear lube might be thick and slow the unlocking down....


Brett
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#3 (permalink) Old 01-13-2010, 01:23 PM
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Many thanks, started engine with diff lock off, let the engine run for acouple of minutes then reversed 5 metres and beeping stopped.

Thanks again

Colin
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#4 (permalink) Old 01-25-2010, 08:37 AM
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Re: Can't turn off Centre Differential lock

Quote:
Originally Posted by colinjt
After using 4WD for the last week I have switched off the Cenre Differential Lock but the beeping noise has continued for over a couple of minutes although the light is out. Does this mean the 4wd is still on and if so how do I get it off? Also is it dangerous to drive on dry roads with the 4WD still on?

Yes Colin, It can and probably will cause sever damage to your rav.
For example it will chew out the diff seals, then leak oil every were
and eventually cook your diff big$$$$$$
Heath

Think very carefully before even attempting to work on a RAV4WD
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#5 (permalink) Old 01-25-2010, 08:38 AM
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Re: Can't turn off Centre Differential lock

Quote:
Originally Posted by RAVVV
Quote:
Originally Posted by colinjt
After using 4WD for the last week I have switched off the Cenre Differential Lock but the beeping noise has continued for over a couple of minutes although the light is out. Does this mean the 4wd is still on and if so how do I get it off? Also is it dangerous to drive on dry roads with the 4WD still on?

Yes Colin, It can and probably will cause sever damage to your rav.
For example it will chew out the diff seals, then leak oil every were
and eventually cook your diff big$$$$$$
Heath
My advice for future ref is not to drive the rav on tarr at all
only off road or sand
Cheers Mate

Think very carefully before even attempting to work on a RAV4WD
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#6 (permalink) Old 02-01-2010, 03:45 PM
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Thanks RAVVV i'll be careful.

Cheers
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