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oil pan drain bolt wont budge.... how to remove??

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Old 07-04-2011, 09:06 PM   #1
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Join Date: Sep 2004
Posts: 886
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY

oil pan drain bolt wont budge.... how to remove??

im trying to change the oil in my car, its a 85 iroc, 5.0 tpi... the drain plug bolt is stuck and wont turn.... i tired to turn it for a bit but then stopped because i dont know what damage i could to the pan if i really force... in the mean time i hosed it down with some wd40 and will try again in about an hr... if it doesnt work how do i drain the old oil so i can change it???
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Old 07-04-2011, 09:56 PM   #2
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Re: oil pan drain bolt wont budge.... how to remove??

there is one way to drain the oil on a sb Chevy and its threw that stuck drain plug if the oil pans not super rusty get a long backer bar on it and a six point socket and brake it lose other then that there's not much you and do,PB blaster works well for stuck bolts

I would stay away form heating it at all so you don't burn up oil in it and get stuck with sludge
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Old 07-04-2011, 11:06 PM   #3
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Location: Cary, North Carolina
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Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
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Re: oil pan drain bolt wont budge.... how to remove??

either the plug has to come out, or the pan has to be dropped - no other alternatives.
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Old 07-05-2011, 12:25 AM   #4
Join Date: Jun 2010
Location: Florida
Posts: 338
Car: 89 chevy camaro rs
Engine: 305
Transmission: 700r4

Re: oil pan drain bolt wont budge.... how to remove??

i second the breaker bar
i use the bar from my jack. assuming you have one use it or a piece of pipe,slip it over ratchet and use it as a cheater bar ive done this neumorous times,with oil drain bolts,flywheels,and reinstalling harmonic balancers(works great)
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