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 Write-Up: Supercharger Coupler Replacement (Series II)

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th3fr4nchi5e
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Thu Sep 26, 2013 9:00 pm

No gastket, just a thin bead of RTV or whatever came with your coupler.
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Yardley
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Fri Sep 27, 2013 5:37 pm

This site is awesome! Riv Owners RULE!

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highwaywarrior
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Fri Sep 27, 2013 9:09 pm

Ok, replaced snout with sealant, put it back together and still leaking, what do I use to clean off the sealant and reapply? Im thinking I either didmt tighten it correctly or I puttoo much sealso it didnt close all the way? Also I failed to mention that when I pulled the snout off, partof the upper intake gasket came off with it...isnt that the part that some of you cut off?

When you say thin, how thin is a thin layer
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th3fr4nchi5e
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Fri Sep 27, 2013 10:23 pm

By thin I mean about the diameter it flows out of the squeeze tube. As long as it you get all the way around without any gaps, it shouldnt leak? When we did mine, the gasket maker was only a few mm. Its weird that you're still getting a leak after removing it and putting new gasket maker in. Did you let the gasket dry good before filling with oil? And does the surface you apply the RTV stuff to look corroded where it would not sit flush?
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AA
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Fri Sep 27, 2013 10:33 pm

There must be some damage or debris on the mating surfaces. I used NO sealant when I assembled mine, and it doesn't leak a drop.

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highwaywarrior
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Fri Sep 27, 2013 11:20 pm

I will take it apart again, recommendations for cleaning debris, sealent off? Im willihg to bet I didnt let it dry. Now, let it dry before I put it back together, or put it together and then let it sit?
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th3fr4nchi5e
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Sat Sep 28, 2013 12:05 am

I always use a razor blade to clean off all of the debris. And I meant put it together and let it dry, before adding the oil again! Like AA said though, if the surface is clean and nit damaged or worn in any way, it should be flush enough that the gasket is only insurance.
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highwaywarrior
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Sat Sep 28, 2013 12:13 am

Alright cool, so remove it, clean off with razor, reseal, let dry first before adding oil, how long did you let it sit?
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th3fr4nchi5e
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Sat Sep 28, 2013 2:23 am

Most people say it takes a few hours to cure and around 24hrs to dry. If you wait 2-3 hours that should be fine but if you not dependent on the car to go somewhere right away might as well let it set a bit longer!
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Sat Sep 28, 2013 10:26 am

Alright thats what I will do then. Thanks
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Tue Oct 01, 2013 11:21 am

Son of a b.... took the snout off again for the second time, resealed it, its still leaking, what sequence was use dto tighten the bolts down? ! Im about to give up
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Tue Oct 01, 2013 11:28 am

i think i have my old snout around here somewhere. needs cleaned and the old drain plug taken out (stripped head) and of course a new one put back ( 8 bucks gm dealer). if ya want it its yours just pay shippin. let me know and ill look for it
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Tue Oct 01, 2013 12:06 pm

I feel like you either messed the snout up, or you're not using enough sealant. Maybe post some pictures of the bare metal and how much sealant you're using? Is the belt lining up right and not squealing?
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highwaywarrior
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Tue Oct 01, 2013 3:58 pm

Belt is lined up correctly, no squealing . seems to be coming out of the bottom. How did you guys tightened the bolts? Top to bottome, left to right etc. As far as the sealant goes. When I put the bead around the snout, am I supposed to spread it out into a thin layer or no?
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AA
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Tue Oct 01, 2013 4:58 pm

I know this is a little extra work, but by removing the entire supercharger you can have better visibility as to where the leak is coming from. The blower should hold SC oil off the car. It will also permit you to replace the SC gasket with a fresh one.

_________________
'98 SC Riviera 281k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch

^^^ SOLD ^^^ frown

'05 GTO 85k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun


'70 Olds Ninety-Eight Holiday Coupe 116k miles 455 Rocket V8
Because cool


'95 Celica 152k miles 0-60: yes
Because free
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Karma
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Tue Oct 01, 2013 5:04 pm

highwaywarrior wrote:
Belt is lined up correctly, no squealing . seems to be coming out of the bottom. How did you guys tightened the bolts? Top to bottome, left to right etc. As far as the sealant goes. When I put the bead around the snout, am I supposed to spread it out into a thin layer or no?
tightening order doesn't really matter. RTV should be very very thin, but some guys don't even use it. The surfaces are machined and should seal just by tightening. The surfaces aren't gouged are they? Or perhaps its your snout seal thats leaking?

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highwaywarrior
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Tue Oct 01, 2013 9:00 pm

Hm, i dont mind taking her apart again. I didnt look damaged or anything when i cleaned it off again, the second time. Also when i took it off. The red sealant wasnt even on the machined surface it spread to the outer parts. So here what i will do, take the sc off and see where its leaking. Take the snout off and use a different sealant RTV high temp?

Snout seal looks good lol
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Jack the R
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PostSubject: Re: Write-Up: Supercharger Coupler Replacement (Series II)   Thu May 17, 2018 5:43 pm

I've developed a choo-choo train sound which seems to be coming from the SC snout -



What do you think?

Incidentally, the chirruping you could hear in my new alternator @1:00 here appears to have gone away -

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Write-Up: Supercharger Coupler Replacement (Series II)
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