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Are metal gaskets reusable? #4669991
02/18/18 05:55 PM
02/18/18 05:55 PM
Joined: Apr 2010
Posts: 636
Suburban Washington DC
atikovi Offline OP
atikovi  Offline OP

Joined: Apr 2010
Posts: 636
Suburban Washington DC
Saturn Vue with the Honda 3.5L V6. Doing a valve adjustment with requires removal of the plenum for access to the rear bank. The plenum has this red upper cover with a metal gasket.



and under the plenum there is this spacer with metal gaskets on both sides.



Can these metal gaskets be reused. 190,000 mile truck. $50 for gasket set I'd rather use for something else if they don't need to be replaced. My thinking is unlike rubber gaskets that get a set and harden with age, that shouldn't be an issue here.

Re: Are metal gaskets reusable? [Re: atikovi] #4669995
02/18/18 05:59 PM
02/18/18 05:59 PM
Joined: Nov 2006
Posts: 21,291
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,291
MA, Mittelfranken.de
Give them a spray with high tack on both sides of the gasket only then install, no problems.
You can find it at any auto parts store.

https://www.amazon.com/Permatex-80065-Gasket-Sealant-Aerosol/dp/B000HBICK2

Edit: This does not apply to head gaskets.

Last edited by Trav; 02/18/18 06:01 PM.

ASE L1, Master. Deutsch Meisterbrief.
Re: Are metal gaskets reusable? [Re: atikovi] #4670022
02/18/18 06:23 PM
02/18/18 06:23 PM
Joined: Mar 2008
Posts: 7,927
USA
slacktide_bitog Offline
slacktide_bitog  Offline

Joined: Mar 2008
Posts: 7,927
USA
no-no

Replace it anyway! Especially on a transverse V6 that is difficult to work on where you have to remove the intake. Because you DON'T want to go back there again! I don't have a Honda V6, but I do know how impossible some tasks can be since I have a 4th gen Maxima with a transverse V6.

Also replace the spark plugs, valve cover gaskets (which usually come with spark plug tube seals as well), and ANYTHING ELSE back there that is a common problem and requires pulling the intake.

Mahle or Beck/Arnley valve cover gaskets
Mahle plenum gasket
Denso Iridum Long-Life, TT, or NGK Laser Iridium spark plugs

Are fuel injectors and ignition coils common failure items on these car? If not, you're good, but if they do, then replace them while you're there. All 6.

The red valve covers do look pretty smile

Re: Are metal gaskets reusable? [Re: atikovi] #4670140
02/18/18 08:12 PM
02/18/18 08:12 PM
Joined: Aug 2017
Posts: 387
Cincinnati, USA
Dave9 Offline
Dave9  Offline

Joined: Aug 2017
Posts: 387
Cincinnati, USA
^ Or don't throw money at something that isn't broken. It's not that big a deal to take it apart only that far again, especially after you have experience doing it once already... maybe spark plugs IF they were due for replacement anyway.

Last edited by Dave9; 02/18/18 08:13 PM.
Re: Are metal gaskets reusable? [Re: atikovi] #4670147
02/18/18 08:16 PM
02/18/18 08:16 PM
Joined: Apr 2010
Posts: 636
Suburban Washington DC
atikovi Offline OP
atikovi  Offline OP

Joined: Apr 2010
Posts: 636
Suburban Washington DC
Yes doing spark plugs, timing belt, water pump and yes not a big deal to remove that part and don't like throwing money at something not broken. Did this same job on 2 others before, on one I did replace those, and on the other, didn't. Couldn't tell any difference.

Re: Are metal gaskets reusable? [Re: atikovi] #4670274
02/18/18 09:46 PM
02/18/18 09:46 PM
Joined: Dec 2006
Posts: 1,854
NY, NY
NYEngineer Offline
NYEngineer  Offline

Joined: Dec 2006
Posts: 1,854
NY, NY
I'd re use em.

Re: Are metal gaskets reusable? [Re: slacktide_bitog] #4670291
02/18/18 09:58 PM
02/18/18 09:58 PM
Joined: Nov 2006
Posts: 21,291
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,291
MA, Mittelfranken.de
Originally Posted By: slacktide_bitog
no-no

Replace it anyway!


It takes 20 min to remove the plenum if your slow using hand tools and the gasket is on a dry intake (no coolant). I haven't had one leak even when used 5 times and I have done more of these than most people have had hot dinners.
The gasket is MLS with no imprint or crush zone.


ASE L1, Master. Deutsch Meisterbrief.
Re: Are metal gaskets reusable? [Re: atikovi] #4670299
02/18/18 10:04 PM
02/18/18 10:04 PM
Joined: Nov 2006
Posts: 21,291
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,291
MA, Mittelfranken.de
To do the valve adjustments you don't need to touch the LIM just the plenum. If you remove the LIM you will need new gaskets. Remove the red plate and under it will be bolts for that hold it to the LIM, just pull that.
That is the reusable MLS gasket.

Edit: I probably have a few of the OE Honda LIM gaskets brand new, let me look. If i do you can have them for the price of post if you want them.

Edit. You only need to take it down this far and you can reuse the plenum gasket.




Last edited by Trav; 02/18/18 10:10 PM.

ASE L1, Master. Deutsch Meisterbrief.
Re: Are metal gaskets reusable? [Re: atikovi] #4670306
02/18/18 10:12 PM
02/18/18 10:12 PM
Joined: Apr 2010
Posts: 636
Suburban Washington DC
atikovi Offline OP
atikovi  Offline OP

Joined: Apr 2010
Posts: 636
Suburban Washington DC
I remove the spacer thing below the plenum which has those 2 gaskets surrounding it just to clean it up. I don't touch the lower intake below that.

Re: Are metal gaskets reusable? [Re: atikovi] #4670318
02/18/18 10:25 PM
02/18/18 10:25 PM
Joined: Dec 2016
Posts: 8,056
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,056
Waco, TX
I always re-use metal gaskets, just add a tiny thin film of gasket sealer - and go.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Are metal gaskets reusable? [Re: Trav] #4670444
02/19/18 04:13 AM
02/19/18 04:13 AM
Joined: Dec 2002
Posts: 42,552
'Stralia
Shannow Offline
Shannow  Offline

Joined: Dec 2002
Posts: 42,552
'Stralia
Originally Posted By: Trav
Give them a spray with high tack on both sides of the gasket only then install, no problems.
You can find it at any auto parts store.

https://www.amazon.com/Permatex-80065-Gasket-Sealant-Aerosol/dp/B000HBICK2

Edit: This does not apply to head gaskets.


Agree...if you take them off decently, reuse them.

I used to use Copperkote.

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