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08-04-2019, 11:22 AM | #1 |
Drives: Olive yaris,FRS, Dakota R/T Join Date: Aug 2013
Location: Pa
Posts: 147
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Changing out a plug in 2007 Yaris sedan
Getting misfires on cylinder 1( started a thread on that). Wanted to look at plug . Here’s some pics and tips.
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08-04-2019, 11:32 AM | #2 |
Drives: Olive yaris,FRS, Dakota R/T Join Date: Aug 2013
Location: Pa
Posts: 147
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Thexton 492 spark plug starter . Old plug boot or rubber hose works too. If plug is cross threaded hose will slip
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08-04-2019, 11:35 AM | #3 |
Drives: Olive yaris,FRS, Dakota R/T Join Date: Aug 2013
Location: Pa
Posts: 147
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Plug threaded in
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08-04-2019, 11:38 AM | #4 |
Drives: Olive yaris,FRS, Dakota R/T Join Date: Aug 2013
Location: Pa
Posts: 147
|
I then bottom it with extension /spark plug socket. I have a 1/4 adapter for 1/4 torque wrench. I spin up and down to make sure plug moves freely and no cross thread. It will feel gritty because of carbon deposits on threads in spark plug hole.
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08-04-2019, 11:53 AM | #5 |
Drives: Olive yaris,FRS, Dakota R/T Join Date: Aug 2013
Location: Pa
Posts: 147
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Torque spec is 13 lb ft or 156 inch lbs. I set wrench to 170. I’d rather err slightly tighter than looser. 1/2 turn seated plug gaskets. I actually loosened again and spun plug up and down to again checking for cross thread.. Torqued again this time 1/4 turn til click because gasket on plug was crushed. If the plugs been in a awhile sometimes a 1/8 turn will click.
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08-04-2019, 11:57 AM | #6 |
Drives: Olive yaris,FRS, Dakota R/T Join Date: Aug 2013
Location: Pa
Posts: 147
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Super lube dielectric grease in coil . A dab put in top of boot.
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08-04-2019, 12:01 PM | #7 |
Drives: Olive yaris,FRS, Dakota R/T Join Date: Aug 2013
Location: Pa
Posts: 147
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Torquing coil 10mm bolt to 80 inch lbs.
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08-04-2019, 12:04 PM | #8 |
Drives: Olive yaris,FRS, Dakota R/T Join Date: Aug 2013
Location: Pa
Posts: 147
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Torquing cover 10mm bolts to 80 inch lbs
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08-04-2019, 12:20 PM | #9 |
Drives: Olive yaris,FRS, Dakota R/T Join Date: Aug 2013
Location: Pa
Posts: 147
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And if you loose the insert washer on top of cover a 7/8 washer fits
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