Inspecting/cleaning a Detroit Locker - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 11-23-2002, 04:40 PM Thread Starter
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Inspecting/cleaning a Detroit Locker

I've got an email in to Trac Tech on this. I'm also interested in hearing from you all.

Quick background - Front Dana 44. Detroit Locker used only 6 months when pinion bearing failed. The pinion then broke the tips off the ring gear teeth and chewed up the Detroit housing. There was significant metal flake/shavings in the bottom of the housing. The Detroit has already been removed from the axle housing.

My question is how do I insure this thing didn't sustain damage and how do you clean it up well enough to safely use again? I read on Trac Tech's site how to test the locker when installed - not sure if I can accurately duplicate the test with the locker removed. If I can get it to properly click in and out of engagement on a bench, the next step would be to clean it up. Should it be unbolted and cleaned that way (I've never unbolted one) or will a healthy dose of brake cleaner or similar suffice? The price is right as long as the locker checks out. I'd like to be able to check it and insure it's good asap, that way I can pay the seller. He's agreed to accept payment once I've verified it's good. And I know he can use the money - he just got done having the Dana 60 overhauled that took the 44's place.
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post #2 of (permalink) Old 11-25-2002, 12:40 PM Thread Starter
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Re: Inspecting/cleaning a Detroit Locker

btt - I can't be the first person to experience this.
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post #3 of (permalink) Old 11-25-2002, 01:19 PM
 
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Re: Inspecting/cleaning a Detroit Locker

I'm sorry but I have no firsthand experience at dissassembling one. I own one, and I remember on the labeling it said not to disassemble it. I don't think disassembly is necessary to clean it, as the parts are fairly "course" in inside. I'd remove the bearings and replace them, then clean the whole unit in a solvent tank. Not sure if I'd risk using a pressure washer at a machine shop. The kind that is like a big dishwasher with high pressure sprayers inside? As long as it didn't cause significant corrosion, it might be a good way to wash out any particles stuck inside that might later affect the ring and pinion or bearings. As for testing it, you will likely need it in an axle to get the final answer.
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post #4 of (permalink) Old 11-25-2002, 03:26 PM Thread Starter
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Re: Inspecting/cleaning a Detroit Locker

Here's what Tractech had to say: I would take it somewhere and have it cleaned, better to be safe than sorry.

I had hoped for more input than that. Anyways, thanks for the input. I didn't feel I should tear it down - glad to hear from someone that they recommend not doing that.
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