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Generation III Internal Engine
1997-2006 LS1 | LS6
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Old 03-10-2006, 02:09 PM   #1
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Question Intake Manifold Bolt Thread Sealant? help??

Just wondering what everyone is using on the threads of thier intake manifold bolts. Some say blue loctite and some say use a thread sealer. Forget which one ls1howto says, but i think the service manual says to use some sort of sealer compound?

any help?
thanks
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Old 03-10-2006, 03:48 PM   #2
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anyone?
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Old 03-10-2006, 04:02 PM   #3
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I've never used any sealant/threadlocker on mine.Never had a problem and my intake has been off a few times.I just torque it to specs and fire it up.
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Old 03-10-2006, 04:05 PM   #4
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Use teflon paste thread sealant....That works the best, but any type of non-hardening sealer would probably be OK.

The teflon paste should be available at most auto parts stores etc.

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Old 03-10-2006, 04:21 PM   #5
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Thanks, I appreciate it!
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Old 03-10-2006, 10:04 PM   #6
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ive had mine off a few time never once have i used anything on them.mines ok. you know the torque specs right..first pass 44in second pass 89in..but you have to do it in a certian order (forgot without looking it up)
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Old 03-10-2006, 10:31 PM   #7
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I think you are confusing using thread sealer on the rocker arm bolts that protrude into the intake ports on ported heads. Intake manifold bolts do not require any sealer or loctite.
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Old 03-10-2006, 11:54 PM   #8
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Quote:
Originally Posted by ilirw325
Just wondering what everyone is using on the threads of thier intake manifold bolts. Some say blue loctite and some say use a thread sealer. Forget which one ls1howto says, but i think the service manual says to use some sort of sealer compound?

any help?
thanks
The assembly manual says:
"Apply threadlock GM P/N 12345382 or equivalent to the threads of the intake manifold bolts."
12345382 is Permatex Medium Strength Threadlocker Blue p/n 24206.
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Old 03-10-2006, 11:54 PM
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