Do rubber valve cover gaskets need sealant?

Although valve cover gaskets don't necessarily need sealers or cements, it's a common practice to glue the gasket to the valve cover. There are a number of sealant choices, too. For this application, Permatex No. 1, RTVs or Permatex High Tack gasket sealant work well.
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Do you put silicone on valve cover gaskets?

Valve cover gaskets are designed to seal “dry,” so don't apply sealant to the face of the gasket. Finish off the job by snugging up the valve cover bolts to the torque specifications in your shop manual.
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Do you put silicone on rubber gaskets?

Clean and Dry

Most engines built in the last 25 years use molded rubber gaskets to seal valve covers and oil pans. With these types of advanced gaskets, the overuse of RTV and other types of silicone sealers or other additives will prevent the gasket's ability to form a reliable seal, causing leaks.
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Do Fel-Pro rubber valve cover gaskets need sealant?

Installing Fel-Pro Head Gaskets

Use no sealers, adhesives or other additives with these gaskets. Learn more about Fel-Pro quality gaskets that are specifically designed for the repair environment, find your car part, or find where to buy your auto part today.
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Do you need gasket sealer with new gaskets?

There are many different applications and requirements and 1000's of gasket sealants available. Most of our gaskets do not require sealant. If a solid gasket is being newly fitted to new products/flanges sealant is not necessary.
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Silicone on valve cover gasket



What do you seal a valve cover gasket with?

Although valve cover gaskets don't necessarily need sealers or cements, it's a common practice to glue the gasket to the valve cover. There are a number of sealant choices, too. For this application, Permatex No. 1, RTVs or Permatex High Tack gasket sealant work well.
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Should you grease gaskets?

I use grease. Makes them slightly 'softer' to bed down and easier to dis-assemble years later. It also keeps them in place while fitting the mating piece. This is the correct and time honoured way to assemble with paper gaskets and head gaskets.
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How do you install a rubber valve gasket cover?

Read on to learn how to install a Fel-Pro ® valve cover gasket.
  1. Step 1: Choose new fel-pro gasket. ...
  2. step 2: remove old gasket. ...
  3. Step 3: examine the cover. ...
  4. Step 4: spark plug tube seals. ...
  5. step 5: press valve cover gasket in place. ...
  6. step 6: replace grommets. ...
  7. step 7: apply small amount of rtv. ...
  8. step 8: install the valve cover.
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Can I use red RTV on valve cover gasket?

Provided that the red RTV you have is oil resistant (which, according to the packaging you linked, it is), it should be fine for this application. The packaging specifically says it's intended for valve cover gaskets.
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Does gasket sealer work on rubber?

Permatex Ultra Rubber Gasket Sealant and Dressing is formulated specially for rubber gaskets and will condition gaskets for longer life and seal potential leak paths. It also functions to hold gaskets in-place during installation. The non-hardening, soft-setting formula makes gasket repositioning quick and easy.
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Can I use silicone on rubber?

A silicone lubricant can be used to lubricant metal, wood, rubber and plastic – however, dirt and dust tent to stick to the silicone lubricant, so make sure you use it sparingly or use a “dry” version in dirty environments.
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Should you use RTV with a valve cover gasket?

Don't use RTV to seal up bad seals on your valve cover.
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Do you put silicone on both sides of a gasket?

NEVER use silicone on both sides of the gasket, the gasket will slip and slide all over the place instead of staying put and clamping down. Another substitute for the high tack is Copper Coat (in the copper spray can). This works really well for head gaskets since it's a light film.
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When replacing valve cover gasket What else should I replace?

If you were recommended a valve cover gasket because it was leaking, just make sure that the fastener seals are also replaced. If not, they are guaranteed to go next. As far as any other components go, if they are attached to the valve cover in any way, you should likely consider replacing those seals as well.
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How do you keep a rubber gasket in place?

A few dollops of the RTV works fine to hold the gasket in place. You don't need to make a bead all the way around with a rubber gasket. Make sure to put a little bead in each corner of the half-moon gasket.
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Why do valve cover gaskets leak?

Your valve cover gasket may be leaking for a variety of reasons. It could be shrunken, cracked or rotten, or your valve cover itself may be cracked or broken or one of the valve cover bolts may just be loose, allowing a little leak. Your car may have 1 or 2 valve covers depending on its configuration.
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Can a leaking valve cover gasket cause rough idle?

Engine Rough Idling or Misfire:

If you have ever asked, can a leaking valve cover gasket cause rough idling? Yes. In some car models and makes, the valve cover serves as a seal that prevents oil from getting into the spark plug tubes.
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How tight do you tighten valve cover bolts?

anything that is stamped sheetmetal (valve covers, oil pan, timing chain cover, etc.) tighten with a 1/4" ratchet in the palm of your hand. like paul said, go back after a couple times and just give them a slight snug. most of this stuff is recommended in the books to be tightened to inch/pound specs.
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Should rubber gaskets be lubricated?

Look to any manual or set of directions, and it is highly recommended to lubricate most seals before installing or changing them properly. Proper lubricants help protect O-rings from damage due to abrasion, pinching, or cutting, all of which could lead to premature product failure.
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How do you lubricate a rubber gasket?

Apply a grease-based lubricant, such as petroleum jelly, by dipping a paper towel into the container, then rubbing the lubricant onto the door gasket. Coat the entire gasket thoroughly, wiping excess off one area and onto another.
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Is Vaseline good for rubber seals?

This would include Vaseline. While Vaseline and other petroleum products may degrade real rubber (actually made from the rubber tree), current o-rings technology does not use natural rubber.
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Is a leaking valve cover gasket serious?

The short answer is, yes. If your engine is losing oil, running the car for too long without an inspection and repair can cause permanent damage. If the gasket is worn out, it will leak engine oil and the top of the engine will be likely be covered in oil.
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Can a leaking valve cover gasket cause a fire?

Valve cover gaskets are typically located near the exhaust manifold, which is hot when your engine is running. If oil leaks, it will burn off, and you'll likely be able to smell it. In some cases, you may even see smoke coming from underneath the hood. If your valve cover gasket is leaking badly, it could cause a fire.
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Does silicone dry out rubber?

Silicone grease is commonly used for lubricating and preserving many types of rubber parts, such as O-rings, without swelling or softening the rubber, but is contraindicated for silicone rubber due to these factors. It functions well as a corrosion inhibitor and lubricant on non-metal-metal contact areas.
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