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Go Back   REVscene Automotive Forum > Technical Discussion > Maintenance, Engine & Driveline Tech

Maintenance, Engine & Driveline Tech This forum is brought to you by The Speed Syndicate (TSS) in Burnaby.
Discussion of maintaining your engine, transmission, differentails, rear ends, and mods associated with "driveline" parts..

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Old 06-16-2014, 02:29 PM   #1
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Diff Flush

I am working on a 01 Legacy GT and I am trying to perform a diff flush. I seem to be having trouble undoing the fill & drain plug due to some rust. I wonder if there's any special method that can help do this job without causing damage or could someone please recommend me a shop that specialize this kind of work.
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Old 06-16-2014, 03:23 PM   #2
Need to Seek Professional Help
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ive always used a metal brush for 10 mins and shoot PB blaster on it every 3-4 hours. leave overnight and opened up for me.
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Old 06-16-2014, 06:01 PM   #3, where our google ads make absolutely no sense!
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Whatever you do...get the FILL plug out first. You don't want to drain the oil and discover you can't put new stuff in.

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Old 06-16-2014, 06:21 PM   #4
14 dolla balla aint got nothing on me!
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What kind of tools did you use? The PB Blaster method and impact wrench usually gets it off.
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Old 06-17-2014, 01:31 PM   #5
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i used a huge breaker bar. I am gonna attempt again with some wurth rost off. when in doubt, i can always get some pb blaster at work
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Old 06-17-2014, 05:35 PM   #6
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If the diff is cast iron, after cleaning and apply the lube, give it some heat and squelch it with water a few times.
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