SECOND ARB AIR LOCKER FAILURE

Submitted: Monday, Oct 06, 2003 at 18:43
ThreadID: 7644 Views:12279 Replies:12 FollowUps:14
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Hello all,
I just had an ARB Airlocker fail by shearing all its bolts, which then floated around the rear diff, until they got caught in the pinion bearings, and CRUNCH! Seems the crown wheel and pinion minced some of the 8mm bolt heads but some survived and busted the bearings. ARB reckon this occurance is "unusual". They reckon it was my fault and that it is unlikely their product failed. This was their opinion until I told them about year and a half ago, the same thing happened in the front diff, but ruined the crown wheel and pinion and basically everything inside the diff including the locker. 3000 dollars later there is a reco front diff and new locker in the front.
But that still leaves the rear to fix. I had the locker overhauled by mcnamara diffs in melbourne, as ARB do not repair their own product. Seems they prefer to sell you new ones instead. Anyway, having spoken to mcnamara diffs who also manufacture their own air lockers, I am convinced that ARB's product is not the best on the market. Fancy breaking two lockers in one 80 series diesel landcruiser.
So you pay 4000 to get the lockers and fitting etc, then they fail on you and cause 5000 dollars more damage... What a joke.! not happy!
Incidently, my locker wasnt the only one at the diff shop... seems fairly common. Opposite to what ARB tells you. So basically, I am writing to find out what you guys reckon? Anyone had any failures?
This diff crunch occured the following day after coming back from the Outback and being in the simpson and 7-8000 kays later. Only used the lockers two or three bogholes in the Sunset Desert in Victoria, and the following morning after taking off down the street, a sound like an anglegrinder...
Anyway, any comments appreciated
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