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Lower intake maifold Nuts and Bolt Torque?

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Old Jul 11, 2020 | 10:12 AM
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Default Lower intake maifold Nuts and Bolt Torque?
Can someone help me out with as to what they should be?

2007 IS250 RWD

Thanks.
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Old Jul 11, 2020 | 11:18 AM
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Lower intake bolts, and nuts 15ft lbs. Upper Soc Heads 13 ft lbs, 2 nuts are 12 ft lbs.
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Old Jul 11, 2020 | 01:11 PM
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Originally Posted by MikeFig82
Lower intake bolts, and nuts 15ft lbs. Upper Soc Heads 13 ft lbs, 2 nuts are 12 ft lbs.
Thanks MikeFig82,

Much appreciated. Another quick question...

What should be the correct Torque for the spark plugs? I see some posts here that say it is 13 ft lbs. while others say 18 ft lbs.
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Old Jul 11, 2020 | 01:18 PM
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Originally Posted by skyfox
Thanks MikeFig82,

Much appreciated. Another quick question...

What should be the correct Torque for the spark plugs? I see some posts here that say it is 13 ft lbs. while others say 18 ft lbs.
18 ft lbs is the correct torque.
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