possible intake leak after coupler change? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-24-2006, 05:44 PM   #1
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Default possible intake leak after coupler change?

so i changed my coupler, but as i was taking the snout off the part with the vanes and such disconnected before the snout did, i was hoping that it would seal enough when i screwed it back together but now at idle it sits around -8 instead of -10, should i have done something to seal it?
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Old 12-24-2006, 05:49 PM   #2
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You're kidding right? You didn't seal the snout back to the SC?

Tell me I read that wrong?
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Old 12-24-2006, 05:49 PM   #3
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well i used the gasketmake on the snout so the whole grease area is sealed, but im tlaking about the other part where the vanes are
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Old 12-24-2006, 05:58 PM   #4
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Why did you take that apart? Yes, that should be sealed too. Time to get more oil and gasket maker.

You'll lose oil out of one, boost out of the other.
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Old 12-24-2006, 08:15 PM   #5
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like i said it just kinda came apart on it'* own as i was getting the snout off, but im im going for all that again, i suppose i may as well replace the sc to lim gasket as well since a little bit of it got ripped off with the snoutand i assume it also ripped around the vane assembly seam
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Old 12-24-2006, 09:15 PM   #6
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That could be a boost leak as well. Definitely worth pulling it if that happened. Make sure you have enough gasket maker left, and dont' forget the two coolant bypass o-rings.
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Old 12-25-2006, 02:49 PM   #7
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Nerv...get the fel pro gasket for the SC to LIM. it'* about $6 at most parts stores and comes with the o rings. If you want to spend double..go to the dealer and get them all seperately.
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Old 12-25-2006, 03:33 PM   #8
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Quote:
Originally Posted by BillBoost37
Nerv...get the fel pro gasket for the SC to LIM. it'* about $6 at most parts stores and comes with the o rings. If you want to spend double..go to the dealer and get them all seperately.
Unless you live in a area where they don't even know what a SC gasket is and have to go to the dealer and pay double.

On topic: Remember not to use to much red rtv on the mating surface as it will ooze over.
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Old 12-26-2006, 12:41 AM   #9
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Nerv, any update on this? Let'* get you fixed up ASAP.

On a side note, for the Riviera, Park Avenue Ultra, and Bonneville SLE/SC owners out there, this is the value of a boost gauge. He wouldn't have known otherwise.
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Old 12-26-2006, 11:04 PM   #10
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well i don't really have the time this week with work and being a bit sick, but i'll get to it probly next week
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