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Oil Drain Plug Torque Sepcification?

Oil Drain Plug Torque Sepcification?

Postby Flathead9 [OP] » Feb 09 2012, 1:54am

Hey guys,

I was discussing this with a buddy, and it seems we disagree. I'm frankly not sure how big of a deal it is, but I figured I'd throw this out there and see what some people who are way more qualified than myself have to say.

I was thinking that 20ft/lbs is where you want to be. He said 25-30ft/lbs. I would be concerned about stripping the pan out at anything over 30. There really isn't much pressure on the bolt, so is 20 sufficient?

What does everybody think?

Thanks!
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Re: Oil Drain Plug Torque Sepcification?

Postby koolz71 » Feb 09 2012, 1:58am

I know on the duramax we torqued the drain plug to 80 newton meters..but not sure about the 5.3
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Re: Oil Drain Plug Torque Sepcification?

Postby EKinMN » Feb 09 2012, 2:05am

Never really thought about it. I've always just snugged it up good, but not cranked on...

I did a search, in hopes of answering the questions. I saw a range of 15-19 ft lbs...

...but most people said to tighten it by hand, and then give it a bit if a turn with the wrench (15mm) to snug it up.
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Re: Oil Drain Plug Torque Sepcification?

Postby scottja » Feb 09 2012, 2:20am

I have always done what EK said, snug it up but don't crank on it. But I will admit over the years I have had some get loose and leak but didn't come out. Don't know if I didn't tighten it at all or not enough.
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Re: Oil Drain Plug Torque Sepcification?

Postby StarsnBars » Feb 09 2012, 2:23am

Agree with EK. One other thing, allways use a wrench. Better feel of the plug tightening, versus a ratchet.
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Re: Oil Drain Plug Torque Sepcification?

Postby 2003Z71 » Feb 09 2012, 2:26am

Straight from the 2003 Silverado factory service manual, (5.3 L engine) tighten oil filter to 22ft.lbs (30Nm) and oil pan plug to 18ft. lbs(25Nm)
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Re: Oil Drain Plug Torque Sepcification?

Postby Flathead9 [OP] » Feb 09 2012, 2:58am

Fantastic! Thank you 2003Z71!
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Re: Oil Drain Plug Torque Sepcification?

Postby ASTE25ASTE25 is online! » Feb 09 2012, 3:17am

I have always torqued it to the german torque specification: Gutntight (good and tight). I put it in finger tight then maybe 1/8 turn more with a wrench. I've never had a problem with mine loosening, leaking or stripping. I am sure that there is an actual torque specification, but I have never seen it.
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Re: Oil Drain Plug Torque Sepcification?

Postby 2003Z71 » Feb 09 2012, 3:24am

I agree with ASTE25, Gutentight! However now that I know there is a torque spec, and I have my torque wrench out most of the time anyway I'll use it. BTW I've never actually used a torque wrench on an oil filter, I'm leary of tightening it too much but maybe I should start; the last time I changed my oil I didn't get the filter tight enough due to the oil drips hanging on the bottom of the filter a few days later! :oops:
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Re: Oil Drain Plug Torque Sepcification?

Postby ASTE25ASTE25 is online! » Feb 09 2012, 3:30am

I've always been known for tightening the filters too much. Never had a problem with them, but people that had to change the oil after me didn't like trying to get them off. I never had a problem getting them off though. I just told them they were weak.
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