need wrench for engine block coolant drain plug -

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post #1 of 3 Old 07-09-2009, 06:14 PM Thread Starter
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need wrench for engine block coolant drain plug

I'm trying to remove the engine block coolant drain plug on a 1990 Jeep Cherokee (4.0). The plug requires a square driver, and neither a 1/4" nor a 3/8" ratchet driver will fit. Looks like it needs a 5/16" square driver. Where can I get one of these? Thanks!

Last edited by cwolf41; 07-09-2009 at 06:17 PM. Reason: problem solved
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post #2 of 3 Old 07-09-2009, 06:15 PM
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1997 ZJ 
Join Date: Dec 2006
Posts: 19,793
probably just rusted over 3/8, clean it up.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #3 of 3 Old 07-09-2009, 06:30 PM
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1993 YJ Wrangler 
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Location: Republic of Texas
Posts: 70
I sell them....find a Grey Pneumatic socket dealer nearby they should have a few. If no luck I could mail you one haha
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