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 Write-Up: 95sc Changing the coupler in an Eaton m62

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nvsteve
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nvsteve

Name : Steve
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Write-Up: 95sc Changing the coupler in an Eaton m62 - Page 6 Empty
PostSubject: Re: Write-Up: 95sc Changing the coupler in an Eaton m62   Write-Up: 95sc Changing the coupler in an Eaton m62 - Page 6 EmptyThu May 08, 2014 5:13 pm

my 95 rattled for about two years with no other ill effects before I had it fixed.
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al_roethlisberger
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al_roethlisberger

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Write-Up: 95sc Changing the coupler in an Eaton m62 - Page 6 Empty
PostSubject: Re: Write-Up: 95sc Changing the coupler in an Eaton m62   Write-Up: 95sc Changing the coupler in an Eaton m62 - Page 6 EmptySat Jun 16, 2018 1:56 pm

So to summarize, it appears one just needs the following two gaskets, correct?

A) Plenum (under SC, between SC and intake manifold) gasket which includes coolant o-rings:
FEL-PRO Part # MS95741

B) Throttle Body to SC:
FEL-PRO Part # 61025


Can anyone confirm the torque values for bolting:

1) The snout back to the SC body - Looks like this isn't documented anywhere for certain given that both GM and Eaton do not support this procedure, the the general consensus from other forums and our M90 coupler replacement thread is that is should be 15-17 lb/ft (max, maybe a bit less).  Confirm?

2) The SC to the intake manifold- From our M90 LIM gasket thread, 17 ft/lbs no threadlocker.  I'm seeing that referenced in other forums too. Sound correct for the M62 install?

3) The throttle body back to the SC - So far I'm seeing 84-89 in/lbs referenced elsewhere.  Confirm?



http://www.fullthrottlev6.com/forums/showthread.php?2466-3800-Torque-specs

https://www.gmforum.com/specifications-general-information-132/3800-torque-specs-278801/



I have the SC oil and new coupler already.

Thanks.
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LARRY70GS
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LARRY70GS

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Write-Up: 95sc Changing the coupler in an Eaton m62 - Page 6 Empty
PostSubject: Re: Write-Up: 95sc Changing the coupler in an Eaton m62   Write-Up: 95sc Changing the coupler in an Eaton m62 - Page 6 EmptySun Jun 17, 2018 8:30 am

I just finished this job on my 98. If you are seeing those torque values on other sites, I'd say they were accurate. I'm sure they are in the 95 FSM. As mentioned, there are no published numbers for the snout to SC. I have seen 15 ft lbs, but honestly, I don't use torque wrenches for something like this, I just use my common sense and snug the bolt up. I have seen guys strip out fasteners using a torque wrench. Not sure why, maybe user error, or mis calibration. Completely unnecessary IMO.

_________________
98 Riviera SC3800  All stock except gutted air box.
1970 Buick GS455 Stage1, TSP built 470BBB, 602HP/589TQ
Best MPH, 116.06 MPH, Best ET, 11.54
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PostSubject: Re: Write-Up: 95sc Changing the coupler in an Eaton m62   Write-Up: 95sc Changing the coupler in an Eaton m62 - Page 6 Empty

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