c - locking diff problem - Defender Source
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  #1  
Old September 14th, 2004, 04:04 PM
simmojr
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Justin Simmons
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Exclamation c - locking diff problem

My center locking differential will no longer go in low range and

appears to be locked up. I was wondering if you had any suggestions

before I took it to the dealer. My rover only has 30,000 miles on it

and the diff hadn't been used in a while. Any help would be greatly

appreciated.

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  #2  
Old September 14th, 2004, 05:17 PM
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rover4x4
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Phillip
1995 SW #487/500
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you mean the linkage seized up or the centre is actually locked? get some PB blaster or WD and go to town on the linkage, It would be easier from the top but I dont know how to get to it from the top.. how often was your centre used before it got "locked"
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  #3  
Old September 14th, 2004, 05:30 PM
simmojr
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Justin Simmons
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The diff lock is currently in high normal. I can shift it over to high center diff lock but I am not really sure if it is working correctly. The buzzer does not sound, the car does not have to be rolling, and I don't have to shift the lever to neutral. But the light on the dash comes on.

It will not go into the neutral area where the buzzer sounds therefore I can't get it into low diff lock or low regular.
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  #4  
Old September 14th, 2004, 05:54 PM
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Phillip
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keep playing with it I say, of all the D-90's I have locked the centre on I have never heard a buzzer of any description. spray some PB blaster up there on the linkage.
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  #5  
Old September 14th, 2004, 06:07 PM
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Jason Herring
94 D90 ST #1253
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Someone else has my problem.. sortof. I don't have an owner's manual, so I don't know what is normal, but my diff lock lever moves side to side, and forward. It will *NOT* go backward. I've never heard a buzzer, but the other night while mounting my new Tuffy I did have the lever pushed around and it got into *some* locking gear as the light on the dash came on. It was stuck in diff lock for awhile and I was about to park it when I found that going into neutral allowed me to get it unlocked.

I still have no idea how it is supposed to work, but I'm pretty sure that it's not working correctly.

Buzzer?
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  #6  
Old September 14th, 2004, 07:56 PM
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Tyler
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on a disco or rr maybe?
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  #7  
Old September 14th, 2004, 08:51 PM
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Redsrover
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My 1997 is equipped with the buzzer when the Diff Lock lever is in Neutral.

Justin, try moving the Diff Lock lever into Neutral while the engine is on, and the tranny is in Neutral and the rig is rolling very slowly. Try moving the Diff Lock into and out of Lo while in the above condition.

You can work it loose if the Diff Lock does engage in Hi as you stated above.

What year?

Finally, I am over in Columbus, are you in college of there on the Plains?
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  #8  
Old September 14th, 2004, 08:53 PM
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jimmy salmon
94 D90 AA Yellow
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if you dont use it it will get stiff it will go with a push once it does do it at leased once a week
when you put it back in high and the light stays on reverse a few ft till it disegages
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  #9  
Old September 14th, 2004, 10:40 PM
simmojr
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Justin Simmons
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I have tried the rolling in neutral thing and I still can get it to work. any other suggestions?
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  #10  
Old September 14th, 2004, 11:40 PM
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Doug Walker
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Get the truck in the hands of someone who off-roads a bit and have them fool with it. But first, have you sprayed the linkage? Take off your cubby, remove the plate under it, and spray the linkage. THe linkage is right in front of the opening under the cubby.

If you've forced the linkage it may be bent, in which case it will not work properly, so look it over with a small mirror.
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  #11  
Old September 15th, 2004, 12:13 AM
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its not supposed to go back unless its in LOW LOCK. Bring to NC I will get it working..
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  #12  
Old September 15th, 2004, 09:25 AM
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Redsrover
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If its a 97 the center cubby is that janky plastic unit like I have. Remove the leather boot covering the diff lock lever and then pry up the rubber boot around the base of the lever. Squirt some wd40 or pb or something down in there from the top. Crawl underneath and do the same.

If you or the PO bent the lever, it won't engage properly and will need to be straightened. Remember that these diff locks aren't exactly as sure as the DI or 2004 DII's, the lever might move over but the light will not be on to indicate it is in diff lock until you roll several feet.

Keep working on it, but don't force it.
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