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2003 chevy trailblazer_lt
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7 Posts
Discussion Starter · #1 ·
I just changed the gear oil on the front of my 03 trailblazer and there was a nylon washer/gasket on the drain plug. Being that their is a slow leak comming from my differential, I am wondering if the washer is supposed to be there or should it be replaced when changing the gear oil?
 

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2007 chevy trailblazer_ss_1ss
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1,852 Posts
It isn't supposed to be replaced when the plug is removed as far as I know. The leak you're seeing is probably from the axle seal.
 

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2004 chevy trailblazer_ls
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694 Posts
:undecided Where is it leaking from the diff cover, the fill valve, or the axle seal?
 
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