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  #1  
Old 01-27-2010, 01:50 PM
Brutus318 Brutus318 is offline
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Default Trouble removing rear differentail fill plug.

I know, I know. I guess I need it spelled out for me. I think this is super odd, though. As I was attempting to turn out the rear differential fill plug I saw something I never thought I'd see! Besides my 3/8 ratchet end bending, the figgin driveshaft began to rotate as I was trying to rotate the plug out! Anybody ever seen this before? Seems to me like their shouldn't be any more driveshaft rotation than vehicle roll would account for.
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Old 01-27-2010, 02:17 PM
STL STL is offline
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Did it make a full turn?
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Old 01-27-2010, 02:25 PM
Brutus318 Brutus318 is offline
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Nothing made a full turn. Bigger problem, though. (I put the parking brake on to eliminate vehicle roll, which I probably should've done in the first place, and it eliminated most of the driveshaft rotation) The problem now is... after spraying and waiting and spraying and waiting and using a cheater bar and spraying some more, I can't turn this thing out for the life of me! I'm a pretty hefty fella at 260 lbs and I'm absolutely giving it all I got and it ain't turning the least. Anybody got any ideas about that? Surely its not reverse thread, or is it?
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Old 01-29-2010, 09:41 AM
hunterranger hunterranger is offline
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Default maybe

Try to turn it the other way? Just a bit. Sometimes that will loosen it up and give it enough play to get it moving the right way.


Maybe too simple, but Lefty loosie, righty tightie (Facing the cover)


Get a bigger cheater bar.

Use break free or a de-ruster and soak it... I have cut a old tennis ball in half, sprayed it full of break free and then held the 1/2 tennis ball over the bolt on other jobs to let them soak in the past.

Sorry if all these are too simple, but its all I got at the moment


Dave
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Old 02-01-2010, 07:05 AM
Brutus318 Brutus318 is offline
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Thanks for the ideas. I'll get underneath there again in a couple days when the snow and ice melts down a little and give it another good go. I'll just spray it again, maybe use the tennis ball idea, and try to tighten up a little to see if it'll break loose that way.
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1996 2.3 5-speed. Nothing special, just a daily driver, but I'm looking to make some improvements on driveability. Oh, and it's a Mazda. Hope that doesn't hurt any feelings!
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  #6  
Old 02-01-2010, 07:10 AM
greyghost greyghost is offline
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put a short extension in there and tap it with a small hammer after spraying it. not beating on it to break the housing but hitting it so the plug gets some force, I've broke them loose in the past using this method,,
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Old 02-02-2010, 07:24 PM
Edge4.0 Edge4.0 is offline
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i have broke several 3/8 ratchets getting diff plugs out back when i worked at an oil change place. i have had to use a chisel to get some out before, but that was usually when someone stripped it out.
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Old 02-03-2010, 04:54 AM
modelageek modelageek is offline
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Quote:
Originally Posted by Edge4.0 View Post
i have broke several 3/8 ratchets getting diff plugs out back when i worked at an oil change place. i have had to use a chisel to get some out before, but that was usually when someone stripped it out.
for the record. the best and cheapest rust penetrater is a 50 50 combo of acetone and power steering fluid/atf. just be careful acetone is very flamable
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2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
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Old 02-03-2010, 09:43 AM
RangerLuc RangerLuc is offline
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i used my impact, got it right out
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  #10  
Old 02-16-2010, 05:55 PM
raroo99 raroo99 is offline
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PB Blaster is the best stuff I've seen yet-SOAK IT OVERNIGHT-I would try heating the plug up w/a small bottle of propane if the PB Blaster does not do it. Worst case scenario is to weld a 3/8 to 1/2" adapter to the plug-the muscle it out + replace the plug. Hope this helps if you have not already gotten it done.
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