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spark plugs dont wanna seat and stay seated

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Old 12-15-2007, 09:25 AM
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spark plugs dont wanna seat and stay seated

Hey it might just be me not tightening them enough. does anyone what is the rewuired torque in the plugs for the 5vz-fe. I'm using the good ones from the dealer (denso) They truck is misfiring, this will be the 3rd time i tightening them. whutcha think?
Old 12-15-2007, 12:42 PM
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Maj
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My FSM sez 13 ft/lbs. Seems a bit loose to me but they are the experts.
Old 12-15-2007, 05:09 PM
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Its possible that you crossthreaded them and now they are leaking. Happened to me on my 3vze.
Old 12-16-2007, 04:15 PM
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Originally Posted by Adam F
Its possible that you crossthreaded them and now they are leaking. Happened to me on my 3vze.
No, I dont think they are crossthreaded they screw in awful smooth
Old 12-16-2007, 04:16 PM
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Originally Posted by Maj
My FSM sez 13 ft/lbs. Seems a bit loose to me but they are the experts.
Thx!!!!!!!!!!!!!!!!!!!!!!!!!
Old 12-16-2007, 05:45 PM
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Wow thats crazy. How much were you torquing them down before?

I usually just go by hand, and tighten to they are snug with a 3/8" ratchet, then do 1/4 turn after that.
Old 12-16-2007, 09:06 PM
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Originally Posted by SC4Runner
I usually just go by hand, and tighten to they are snug with a 3/8" ratchet, then do 1/4 turn after that.
x2 thats what i do with everything
Old 02-17-2008, 05:42 PM
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Update

My plugs are staying seated now, finally. I had to change a coil pack that was jumping spark for a while now then threw in some new OEM wires and she purrs like a kitten. Just want o thank YT for all the useful info>
Old 02-17-2008, 05:52 PM
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good torque

Originally Posted by SC4Runner
Wow thats crazy. How much were you torquing them down before?

I usually just go by hand, and tighten to they are snug with a 3/8" ratchet, then do 1/4 turn after that.

Ditto on that Hand tight Just untill I feel the small metal washer crush and then a 1/4 turn after that, snug enough yet not TOO snug....Man I never want to strip my threads...
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