rtv on valve cover - JeepForum.com
 
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post #1 of 11 Old 11-21-2009, 04:00 PM Thread Starter
poreda
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rtv on valve cover

Just wondering if anyone has had success at using rtv only on the valve cover. I have replaced the gasket and still is leaking. I'm thinking that rtv only if let dry will be fine?

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post #2 of 11 Old 11-21-2009, 04:02 PM
moonshinefuel
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Sure, no problem.
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post #3 of 11 Old 11-21-2009, 04:43 PM
ritjobbie
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My RTV'd valve cover is holding up after 2+ years. No problems.

1995 YJ Rio Grande, 2.5L Low Output Engine
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post #4 of 11 Old 11-21-2009, 06:26 PM
speepdaedeesi
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rtv will do fine.

only reason people use gaskets in my opinion is they are easier to get off, and your hands stay cleaner when putting them on.

89 yj stock- sold
92 yj stock- sold
97 tj 2"bb,31" tires- sold
95 yj soa,350 v8,sm465,44" tires,d60,14bolt- sold
95 yj soa,350v8,700r4,35" tires,d30, 8.8, fuel cell- sold
current ride-97 TJ- 86k miles, 4cyl auto, black casinos, 31" BFG A/T
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post #5 of 11 Old 11-21-2009, 06:31 PM
Mean Max
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I know you're asking about using RTV instead of a gasket, but here is a reply I made in another thread that I cut & pasted here.

Forget RTV. Silicone based sealers suck for most gasket application, especially VCGs IMO.

Go down to the parts store & grab a cork gasket (there's nothing wrong with cork) and the smallest tube of "3M Super Weatherstrip Adhesive" part #051135-08001 which is always in stock and is commonly referred to as "yellow snot" or "gorilla snot" by guys in the automotive business. You'll also need a can or two of brake cleaner.



Clean the valve cover gasker seating area VERY good. Apply a thin, small bead of the adhesive to the side of the gasket that faces the valve cover ONLY! Carefully press the gasket onto the sealing area of the impeccably clean valve cover. Once it's in place it will stick very tightly so get it right, this is basically a "contact cement" adhesive. Within just a few minutes it will be very firmly attached & can be reinstalled on the clean cylinder head.

Start tightening the bolts in the center of the cover & alternate back & forth from the left to right side, and alternating from front to rear.

The adhesive will keep the gasket from becoming a slippery snake & sliding out of place, which is the only thing that the RTV does. In time, the adhesive will harden & become brittle, making cleanup a snap next time around!

Max

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No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

There is no situation that cannot be improved with a small but well-placed explosive.
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post #6 of 11 Old 11-21-2009, 06:34 PM
speepdaedeesi
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Quote:
Originally Posted by Mean Max View Post
I know you're asking about using RTV instead of a gasket, but here is a reply I made in another thread that I cut & pasted here.

Forget RTV. Silicone based sealers suck for most gasket application, especially VCGs IMO.

Go down to the parts store & grab a cork gasket (there's nothing wrong with cork) and the smallest tube of "3M Super Weatherstrip Adhesive" part #051135-08001 which is always in stock and is commonly referred to as "yellow snot" or "gorilla snot" by guys in the automotive business. You'll also need a can or two of brake cleaner.



Clean the valve cover gasker seating area VERY good. Apply a thin, small bead of the adhesive to the side of the gasket that faces the valve cover ONLY! Carefully press the gasket onto the sealing area of the impeccably clean valve cover. Once it's in place it will stick very tightly so get it right, this is basically a "contact cement" adhesive. Within just a few minutes it will be very firmly attached & can be reinstalled on the clean cylinder head.

Start tightening the bolts in the center of the cover & alternate back & forth from the left to right side, and alternating from front to rear.

The adhesive will keep the gasket from becoming a slippery snake & sliding out of place, which is the only thing that the RTV does. In time, the adhesive will harden & become brittle, making cleanup a snap next time around!

Max
well i guess i have another item to add to the list tomorrow when i go pick up the brake light switch i ordered today at napa lol

89 yj stock- sold
92 yj stock- sold
97 tj 2"bb,31" tires- sold
95 yj soa,350 v8,sm465,44" tires,d60,14bolt- sold
95 yj soa,350v8,700r4,35" tires,d30, 8.8, fuel cell- sold
current ride-97 TJ- 86k miles, 4cyl auto, black casinos, 31" BFG A/T
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post #7 of 11 Old 11-21-2009, 07:11 PM
Mean Max
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Quote:
Originally Posted by speepdaedeesi View Post
well i guess i have another item to add to the list tomorrow when i go pick up the brake light switch i ordered today at napa lol
It wasn't very clear in my post, but I only use the adhesive on the valve cover side of the gasket. The valve cover (with the glued-on gasket) is installed onto the cylinder head with no adhesive or sealer applied between gasket & the cylinder head.

Max

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Quote:
Originally Posted by UltimatE View Post
Max has a picture of every Jeep part ever made.
Quote:
Originally Posted by Benderff View Post
No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

There is no situation that cannot be improved with a small but well-placed explosive.
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post #8 of 11 Old 11-21-2009, 07:55 PM
speepdaedeesi
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Quote:
Originally Posted by Mean Max View Post
It wasn't very clear in my post, but I only use the adhesive on the valve cover side of the gasket. The valve cover (with the glued-on gasket) is installed onto the cylinder head with no adhesive or sealer applied between gasket & the cylinder head.

Max
i was putting rtv on both the head and in between the gasket and valve cover (to keep the gasket in place on the cover.)

89 yj stock- sold
92 yj stock- sold
97 tj 2"bb,31" tires- sold
95 yj soa,350 v8,sm465,44" tires,d60,14bolt- sold
95 yj soa,350v8,700r4,35" tires,d30, 8.8, fuel cell- sold
current ride-97 TJ- 86k miles, 4cyl auto, black casinos, 31" BFG A/T
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post #9 of 11 Old 11-21-2009, 08:01 PM
Mean Max
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Quote:
Originally Posted by speepdaedeesi View Post
i was putting rtv on both the head and in between the gasket and valve cover (to keep the gasket in place on the cover.)
I don't think RTV has the ability to keep anything "in place" while assembling things. I really hate that stuff & I avoid it at every opportunity.

Here is my "secret weapon" sealer:

(MFG description)
Permatex #3 Form-a-gasket Aviation Sealer
Non-hardening liquid gasket sealant/dressing/coating is a thin, brushable dressing or sealer for close-fitting parts. Suitable for continuous temperatures to 400F (204C). Resistant to antifreeze, aviation fuels, high-detergent oils and lubricants. Conforms to MIL-S-45180 D.

http://www.permatex.com/products/Aut..._Sealant_a.htm


Read the list again, yep antifreeze is on there too! You can use it on radiator hoses that prove to be difficult to seal up at the radiator, heater core, or water pump fittings. This stuff is amazing, it will seal up anything and without dealing with the goopy RTV that I despise so much and NO WAITING TIME!

Just use the "brush-in-can" lid and smear a thin film on both sealing surfaces & put them together & add the fluids/oils/etc. and be on your way. Use it on oil pans, valve covers, automatic tranny pans, case halves or anywhere. It's also a great thread sealer like for drain & fill plugs too. It's Aviation and MILSPEC certified.

Max

Click here to see all of my different albums on Photobucket.
Choose any album to see all of my pics!


Quote:
Originally Posted by UltimatE View Post
Max has a picture of every Jeep part ever made.
Quote:
Originally Posted by Benderff View Post
No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

There is no situation that cannot be improved with a small but well-placed explosive.
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post #10 of 11 Old 11-21-2009, 08:17 PM
speepdaedeesi
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Location: fort drum ny
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ok... bookmarked thread.

89 yj stock- sold
92 yj stock- sold
97 tj 2"bb,31" tires- sold
95 yj soa,350 v8,sm465,44" tires,d60,14bolt- sold
95 yj soa,350v8,700r4,35" tires,d30, 8.8, fuel cell- sold
current ride-97 TJ- 86k miles, 4cyl auto, black casinos, 31" BFG A/T
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post #11 of 11 Old 11-21-2009, 09:03 PM Thread Starter
poreda
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Location: western ma
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thanks for the help guys. Has anyone tried indian head gasket maker instead of rtv? What are the pros and cons? I just really what to make sure this stops leaking.
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