Which RTV Silicone for Oil Pan?

Buggieman18 · 03-16-2021, 08:13 PM

OK, workin' my project. Took off the gear pan, but can't find my tube of silicone gasket to put it back on.

I remember it is a special type, like for gear oil, and it is grey, and someone posted a pic, but I can't find on the search. Which grey RTV is it?

Also, what's the best way to get the remnant silicone off the pan?

Thanks!

Edit: I think I remember: Permatex 81182 Gear Oil RTV?

usgicollector · 03-17-2021, 03:38 AM

Quote:

Originally Posted by Buggieman18

OK, workin' my project. Took off the gear pan, but can't find my tube of silicone gasket to put it back on.

I remember it is a special type, like for gear oil, and it is grey, and someone posted a pic, but I can't find on the search. Which grey RTV is it?

Also, what's the best way to get the remnant silicone off the pan?

Thanks!

Edit: I think I remember: Permatex 81182 Gear Oil RTV?

That's what I use.

ojo · 03-17-2021, 06:56 AM

Loctite 5926 Blue Silicone Gasket works well too

rib33024 · 03-17-2021, 08:01 AM

Soak the edge of the pan in some gas and the remnant of the silicone on the pan will roll off

nickdalzell1 · 03-17-2021, 09:19 PM

I've always used red RTV. Works perfectly fine here. I suppose clear works as well.

Cobra,1 · 03-17-2021, 09:37 PM

I use a wire brush on drill or wire wheel on grinder to make quick work of removing old silicone.
Ultra Black or ultra blue silicone for cover. Both will work.
I use ultra black on auto differentials ,ultra blue on oil pans. Valve covers and intakes. Both with will work as they very slightly swell when cured. I no longer use gaskets on oil pans, valve covers or differential covers, they seal that good.
No leaks on my engines.
Just my experience 👍

03-16-2021, 08:13 PM	#1
Buggieman18 Gone Wild Join Date: Feb 2018 Posts: 185	Which RTV Silicone for Oil Pan? OK, workin' my project. Took off the gear pan, but can't find my tube of silicone gasket to put it back on. I remember it is a special type, like for gear oil, and it is grey, and someone posted a pic, but I can't find on the search. Which grey RTV is it? Also, what's the best way to get the remnant silicone off the pan? Thanks! Edit: I think I remember: Permatex 81182 Gear Oil RTV?
Buggieman18 Gone Wild Join Date: Feb 2018 Posts: 185

03-17-2021, 06:56 AM	#3
ojo Gone Wild Join Date: Sep 2020 Location: Germany Posts: 2,000	Re: Which RTV Silicone for Oil Pan? Loctite 5926 Blue Silicone Gasket works well too

03-17-2021, 08:01 AM	#4
rib33024 ...................... Join Date: Apr 2009 Location: FT Lauderdale FL. Posts: 16,416	Re: Which RTV Silicone for Oil Pan? Soak the edge of the pan in some gas and the remnant of the silicone on the pan will roll off

03-17-2021, 09:19 PM	#5
nickdalzell1 Resident Curmudgeon Join Date: Oct 2011 Posts: 1,279	Re: Which RTV Silicone for Oil Pan? I've always used red RTV. Works perfectly fine here. I suppose clear works as well.

03-17-2021, 09:37 PM	#6
Cobra,1 Gone Wild Join Date: Sep 2018 Location: Md. Posts: 1,059	Re: Which RTV Silicone for Oil Pan? I use a wire brush on drill or wire wheel on grinder to make quick work of removing old silicone. Ultra Black or ultra blue silicone for cover. Both will work. I use ultra black on auto differentials ,ultra blue on oil pans. Valve covers and intakes. Both with will work as they very slightly swell when cured. I no longer use gaskets on oil pans, valve covers or differential covers, they seal that good. No leaks on my engines. Just my experience 👍

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