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Unread 08-28-2009, 04:19 PM   #1
bfewkwa
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Spark Plug & Oil Drain Plug Torque Specs

Guys,

Been searching and can't find the oil drain plug torque specs for my 04 Rubicon.

I didn't get a manual with my TJ and it's due an oil change.

Also got a new set of plugs to go in. Is there a torque spec for the plugs?

Anyone have the specs handy?

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Unread 08-28-2009, 04:25 PM   #2
happymudder10
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Spark plugs are 22ftlb and the coil rail screws are 21ftlbs. I seem to recall reading somewhere that the oil drain plug is 27 ftlbs.

Personally, I have never "torqued to spec" any of these. I just use common sense.
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Unread 08-28-2009, 04:26 PM   #3
Unlimited04
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spark plugs are 2 grunts past snug.

oil drain plug is tight - maybe 1/2 grunt past snug.

If you really care that much: http://www.jeepforum.com/forum/f9/tj...-specs-474605/

Good luck getting a torque wrench in for the spark plugs, heck you can barely get a ratchet and a 6" extension in the #6 cylinder.
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Unread 08-28-2009, 05:16 PM   #4
GOLENJEEPTJ
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You will get use to not using a torque wrench for a plug change.
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Unread 08-28-2009, 05:31 PM   #5
Jerry Bransford
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Stick with nothing larger than a 3/8" drive ratchet wrench and you won't have to worry about over-tightening them. With a 3/8" drive, I tighten them both to no more than one grunt. Using a 1/2" drive is just asking to overtighten/strip those sizes of parts out.
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Unread 08-28-2009, 06:05 PM   #6
bfewkwa
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Thanks. I guess I should have clarified that I have a history of stripping threads. I thought I would start out right on the Jeep and use a torque wrench from the start. Plus, good excuse to buy a better torque wrench.
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Unread 08-28-2009, 06:19 PM   #7
nmj48
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from the 04 FSM for the 4.0L engine

oil drain plug 25 FT/LBS

coil rail 250 IN/LBS (21 FT/LBS)

sparkplug 27 FT/LBS
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Unread 08-28-2009, 06:19 PM   #8
tangofox007
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Quote:
Originally Posted by bfewkwa View Post
I thought I would start out right on the Jeep and use a torque wrench from the start.
That's a smart move. It's hard to go wrong doing things the right way.
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