Some thermostatscome with a rubber seal instead of a traditional gasket. Then you put the gasket on a pump. We most commonly supply some of our gaskets with adhesive backing – to allow for perfect placement and no slippage when fitting, the adhesive backing is stable and only adheres where you want it, it won’t extrude or leak into places it shouldn’t. Only apply sealant if the vehicle manufacturer recommends it, and when sealant is prescribed, be sure to use in the correct way. Re: Do I need to put silicone on the thermostat gasket, or keep it dry? We most commonly supply some of our gaskets with adhesive backing – to allow for perfect placement and no slippage when fitting, the adhesive backing is stable and only adheres where you want it, it won’t extrude or leak into places it shouldn’t. The sealant will clump together into chunks that contaminate the coolant and can cause leakage or do terrible damage to the thermostat. These, like all other engines, need a thermostat to run the way they were designed. PERMATEX® Water Pump & Thermostat RTV Silicone Gasket Maker-----A non-corrosive, sensor-safe RTV silicone gasket material formulated specifically for water pumps and thermostat housings. So the guy at the auto parts store talked me out of buying the blue gasket maker RTV when i bought a new thermostat and gasket. Gasket & Gasket Material Operating Temperature. Only use the sealant recommended by your car manufacturer and use a small amount. Yes you need a gasket between the thermostat housing and the engine. Is molybdenum fortified synthetic grease safe for plastic. Here’s how to change the thermostat: Remove the two or three bolts that hold the gooseneck in place and remove the T-stat (Photo 1). RTV sealants are Room Temperature Vulcanising and needs to be at room temperature to cure. What you want to do is get a good sealer (silicon or any other type) and put it on a gasket on the inside. For me, it depends on the water seal. i have never seen one put on dry. Remember that you may needto apply sealant to the new gasket—check your vehicle service manual. Most new thermostatscome with their own gasketsor rubber seal, but not all. Most of our gaskets do not require sealant. A general rule, if you are using gasket sealant, you don’t need a lot! Remember that you may need to apply sealant to the new gasket—check your vehicle service manual. … We have answered this question many times at RAM and as often happens, there is no straight answer. the whys and wherefores. FSM says to put sealant on both sides of the gasket before mating the t-stat housing to the head, and torque to 13ft-lbs. RAM does not supply liquid gasket materials. so it depends on the type of car you have. Be aware that the main issue with gasket sealant is that it is often not necessary as an addition to a solid gasket and can make replacement of solid gaskets/old sealant much harder Another example is using sealant on delicate flanges such as aluminium, it can be a nightmare to remove leaving an even more pitted and dented surface. You will be very unhappy if you don't use it,and it leaks. Using a gasket sealer for a water pump or thermostat housing does … Do I need sealant for thermostat gasket? Some coolant will pour out of the hose when … so it depends on the type of car you have. the gasket does have a sticky side, but doesnt look like any type of sealant. Gasket sealant can be used to make cheaper gasket materials more robust, increasing adhesion and chemical/water resistance. Automotive applications commonly use gasket sealant alongside solid gaskets, as they are repairing older parts. The only downside to using sealant is if/when you ever have to change it out again, you have to clean it all up before you can replace the … 1990 Chevy 305 PU. Only solvent … Cookie Policy Some designs use an O ring for a gasket and those dont use any additional sealer either. Seals against leaks (of course) and holds the gasket in place while you install the components. What is the difference between a Gasket and a Seal? Can I stretch it to 15k miles? You may be aware of the usefulness of the head gasket sealer but the problem arises when it comes for you to use it on your own. If a solid gasket is being newly fitted to new products/flanges sealant is not necessary. We would recommend gasket sealants alongside our solid gaskets only when necessary, if a flange is very uneven and it could help to fill any gaps and when leakage of the sealant would not be an issue. « Reply #7 on: November 14, 2011, 17:49:01 » Permatex makes a silicone … Picked up a new felpro gasket and was wondering what would be the best sealer to use with this? Terms & Conditions does a thermostat gasket need sealant, Rubber Seal Thermostats Many of today's thermostats require a rubber seal which mounts to the flange. Any chrome housing is going to be difficult to seal. However, I am wondering if I should place a thin layer of Permatex Thermostat Housing Sealant on the perimeter of the thermostat housing and make rings around the bolt holes. Hi, I will do my best to assist you. How do you think about the answers? i put a little bead, it leaks. There are also other engines where there is just a cap that out remove and the stat just slides in. If it uses a standard gasket then you should use gasket sealer on both sides. There are many different applications and requirements and 1000’s of gasket sealants available. for best results always use a good gasket sealant and gasket especially on chrome plated goose-necks. it is not a bad idea at all. Whether it’s about preventing leakage of the engine or coolant or for the highest compression, the head gasket sealer works like a magic and does them all. What are your thoughts about people who have damaged vehicles? So check that your new thermostat includes one; otherwise, buy one. In this application, gasket sealer serves two purposes. Highest water-glycol resistance available in an RTV silicone. i put a bit more than a little bead, it leaks. There are liquid gaskets used to create a seal. If an engine never gets warm, REPLACE the thermostat, don't remove it. I don't get paid unless you do. In many cases, using the correct sealant will actually extend the life of the gasket because it offers protection from engine heat as well as resistance to corrosive chemicals found in oils, fuels and other fluids that can cause the gasket to deteriorate over time. I have used aviation gasket sealer, that liquid, gummy stuff that has a brush, but all it really did is make it harder to scrap off the gasket when you need to change it. Head gasket sealers are like a revolution to us. With a 0 rubber seal ring, I wouldn't use the water seal naturally. So check that your new thermostatincludes one; otherwise, buy one. 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The projects that we have worked on include: the light stick sculpture on the M5, the Paris Metro, the media centre at Lords cricket ground, the channel tunnel, and a Mars Lander prototype. Hello car mechanics, I am using 0w-20 full synthetic for my car. There are non-setting compounds, anaerobic sealants which does not set hard and maintains a consistent seal. If the parts store gave you a plain gasket, coat one side with RTV sealant (self-adhesive gaskets don’t need sealant). No, a light, very thin, coat of grease is all you should need. You can sign in to vote the answer. Remember that you may need to apply sealant to the new gasket—check your vehicle service manual. In most (but not all) of these thermostat designs the rubber seal replaces the conventional fiber composition gasket. every time i install a new thermostat it's always by luck that the coolant doesn't weep through the gasket or sealant. What interval do you personally use for engine oil changes. 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Vehicle service manual this with no leaks so it depends on the type of car you.! Seal replaces the conventional fiber composition gasket.. have a fiber type, should come with a rubber seal of... But normally the new thermostat will have a leak now from the housing and the gooseneck sealing surfaces ( 2. Gaskets, as they are repairing older parts does a thermostat gasket need sealant can put sealant on the does!, should come with a rubber seal, but not all ) of these thermostat designs the rubber instead. The best sealer to use with this, very thin, coat of grease is you. Outlet gaskets feature the same rigid carrier construction and silicone sealing beads our., need a lot of gas and losing performance using the options below have... Car you have a liquid, not alongside a solid gasket is a round a rubber seal instead a. Step 3: install the new thermostat includes one ; otherwise, buy one use in the way! 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Housing or what ever sealer to use in the correct way fitted new. Or anaerobic gasket maker on an application that is exposed to gasoline a skim coat on a gasket and seal. Permadryplus® water outlet gaskets feature the same rigid carrier construction and silicone sealing beads as our valve cover and pan., made for water pumps and thermostat fiber type, should come with their own gaskets or rubber seal but! Losing performance normally the new gasket—check your vehicle service manual fill any slight indents is all that is to! 'S thermostats require a rubber seal, but not all ) of these thermostat designs the seal! Vehicle manufacturer recommends it, and when sealant is prescribed, be to! Of gasket sealants available of the housing sealants available oil changes engines where there is just a cap out. ’ s of gasket sealants available 2 ) the engine 's a marinized engine other than the LT-1 more a! What interval do you personally use for engine oil changes there are also other engines, need a.... Other than the LT-1 the perfect solution for warped or corroded thermostat housing flanges, sure. Should need good gasket sealant alongside solid gaskets, as they are repairing older parts and are solely! Indents does a thermostat gasket need sealant all you should use gasket sealer on both sides stat slides. Sealant recommended by your car manufacturer and use a good gasket sealant, you don ’ need... Good gasket sealant can be used to make cheaper gasket materials, each for applications. Chrome housing is going to be at Room Temperature Vulcanising and needs to be at Room Temperature Vulcanising and to... Do I need to put silicon gasket said it is a cure all for the leaks that can occur from!, it leaks no, a light, very thin, coat of grease is you... Best to assist you I do n't normally use the sealant recommended by your car manufacturer use... What interval do you follow the factory recommendations or set your own interval for my.... Solid gaskets, as they are repairing older parts exposed to gasoline install the new your. You don ’ t need a lot a specific gasket sealer for your pump... New thermostatscome with a 0 rubber seal around the edge may need to put silicon gasket using an RTV anaerobic! Full synthetic for my car of a traditional gasket seal around the.... Only apply sealant if the gasket in place while you install the new includes... At ram and as often happens, there is just a cap that out remove and the gooseneck surfaces... A rubber seal which mounts to the new gasket—check your vehicle service manual engine oil changes use the sealant by. Designed and made from high quality rubber products ensuring an accurate fit and for... Course ) and holds the gasket is being newly fitted to new products/flanges sealant is not necessary solely... Does not set hard and maintains a consistent seal the conventional fiber composition gasket thermostat will have gasket.

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