Differential lock problems?

May 2021 4 102 Report

Differential lock problems?

I have a 2001 Toyota Tacoma 2-wheel drive with a differential lock. I activated the differential lock and began to pull forward when I heard an audible crack or pop noise of metal. I turned off the differential lock and checked the undercarriage for any visible damage. I didn't see anything out of the ordinary so I got back in and drove off, but I noticed my differential lock is still engaged, even though the button is turned off. Could anyone tell me what exactly is wrong here and how to fix it, or if I need a professional to fix it and if so how much that would cost? Thanks in advance... =)

Update:

Also, I'm not looking for a perminant fix just yet, for now I'm only interested in getting the sucker disengaged so I can at least drive it.

Cars & Transportation / Car Makes / Toyota

Anonymous

Verified answer

Here,s how your electric locker works....You have splines on the ends of your axles...There is a metal sleeve that is always on the long side(passenger side)...When you flip that switch a metal sleeve moves toward the drivers side and locks the two axles together...The most likely damage is to the axle shafts...The sleeve is hardened and usually will not break...But the splines on the axles get chewed up...Sometimes it will not unlock because the splines are twisted in a bind...You gota remove the axles and remove the locker and check for damage to all three components...There are four bolts that hold the axles in the housing...The only thing that may hold you up will be pressing new bearing onto the new axles...It,s not as hard as it seems...You need no special tools to take it apart or to put it back toghther...Just the bearings on the new axles needs to be pressed on...There are after market axles available that are stronger than stock.

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j m

Toyota recommends that you only go ~ 5 mph with the differential lock is engaged. You may have broke some gear teeth in the rear end. If it won't disengage on its own I have no tips to help, sorry.

Fixing it may be a possible job for the above average shade tree mechanic, but if your a novice at repairs I would bring it to the mechanic.