should i use a sealant on intake manifold gaskets

Photo 3 – I do not recommend a silicon type sealant on the intake manifold. As a general rule, sealant is used on all gaskets---EXCEPT reed plate, intake manifold, anything to do with the carburetors or where it would foul a fuel passage. Thx _____ Second, you need to consider the temperatures the sealant will have to endure. If you gave the nuts any kind of respectable and even torque they should hold just fine without leaking. The surprise was the rubber sleeve that joins the left and right manifold also leaked, and the throttle body O-ring which seals the throttle body to the manifold. One of the parts places here … Dellrose, TN. They never did update the photos. Re: Do I use gasket sealer for Manifold gaskets? - posted in Engine: I am having a problem in which coolant is getting into the oil. But the gasgacinch order bounced because they don't send it overseas. Should you need sealant don't use an RTV based one on the exhaust on a 2 stroke. The cork rubber ends on the intake gasket replaces the RTV. Use blue rtv lay bead from gasket to gasket about 3/16 thick make sure bead starts and ends on gasket "tab". I use the Indian Head Shellac on … The intake manifold installation instructions note ’must be used with OEM style valley pan,“ so in my view these gaskets are Edelbrock’s version of the Fel-Pro P/N 1216 gaskets. I went ahead and got the Fel-pro exhaust/manifold gasket and my neighbor who has a CJ5 came down to see what was going on. What would YOU do to ensure this won’t fail? I've got the 12 pack of gaskets sitting in the garage and I want to make sure there are no air leaks upon reassembly. This is a photo of the intake gaskets that come with the set: Should I use a sealant on intake manifold gaskets? Putting the exhaust manifolds on my 289 with metal gaskets. The following is a list of these gaskets and how they should be aligned: 4 Slot open style gasket used in Mercruiser application during the mid-90’s and allows for full coolant flow from the manifold into the riser. We could just as easily name this part “sRaging Opinion in a Small Tubes” given this is the one area where everyone seemed to have a different opinion. It doesn't stand up to gasoline (check the labeling) and at some point raw gas goes out the exhaust. Use Gaskacinch on the intake gaskets to hold em in place on the heads,& just stick the cork ends to the block.A thin film of white grease on the face of the gasket where it meets the manifold doesn't hurt either. The Hayne's repair manual for my 1990 F150 makes no mention of using any gasket sealer on the intake manifold gaskets, except at the corners. As far as I can see, there's no mention at all of using any sealer on the gaskets that go in between the manifold and the heads, but I've always used sealer on intake manifold gaskets and all other gaskets of every engine I've ever worked on. Boatgrunt, That is an outdated service bulletin that Don S. referred to..Merc recommends using Loctite 510 flange sealant on the manifold/riser joint. I broke down and spent $125 to have the angles on the intake manifold machined, ...so I want to do everything possible to insure a leak free conclusion. I am replacing the cylinder head on a 1991 Dodge Caravan with a 2.5 liter engine non turbo. It is best to use a copper spray sealant. Soon, will be putting on the intake manifold. I bought some loctite fluid gasket sealant (forgot the number). Install using the “Copper Gasket Sealant Spray” the local auto parts sells. You would be surprised what you can tell whats going on with a motor with just a vac gauge! If so, what kind (ie, name brand)? Furthermore, do you use sealant on cork gaskets? i have an altima with a ka24de, the intake manifold gasket slipped on cylinder 4 (common problem) would it be ok to use a silicon sealant instead of changing the gasket. Thanks, Dave. If so, what type should i use or avoid? Most cars use a type of engine known as “fuel combustion,” which basically means that they get their main energy from a series of mini-explosions powered by gasoline. The gasket should be sufficient if you observe the proper torque settings when tightening the manifold bolts. First, you must consider if the gasket needs to remain flexible. If you have a good gasket and good mating parts, sealant shouldn't be necessary. Same question- Use sealant on the metal gaskets? I'd realy like to seal up this vacuum leak once and for all so the few months left of good weather in Minnesota to drive it. Posts: 21,446. That’s the gasket set. Nissan recommends: Use Genuine RTV Silicone Sealant Part No. I have tracked this down to the intake manifold not sealing as it should. The manifold gasket in the head set appears to be made of graphite over metal. In all my LC's I have installed a vac gauge and use that as my primary tune-up and engine monitor. And then seperately I bought the metal valley pan gasket. RTV, other sealants or adhesives should not be used around the coolant or intake ports on carrier-style gaskets. New intake manifold … RTV, other sealants or adhesives should not be used around the coolant or intake ports on carrier-style gaskets. The repair manual is not clear on whether I should use gasket sealer or not. … Set your gaskets in place and slowly lower the intake down into place and tighten it up. Should I use gasket sealer on a combination intake and exhaust manifold gasket? Me and my '53! Can I leave it out, or will this lead to problems. 3) Place manifold on engine (using four studs for alignment). I bought an edelbrock gasket set with: Intake Manifold, Exhaust Manifold, Valve Cover, Head, and Thermostat Housing Gaskets. Do not add sealant if it does. Well, each to … is it ok to use sealant instead of replacing a gasket on a slipped intake manifold gasket. Was thinking of spraying them with Permatex High Temp Copper spray sealer- Yay or Nay? But it's really messy stuff. An intake manifold gasket is a flexible, fitted part of a car engine that helps prevent air from leaking out during fuel combustion and helps regulate chamber temperature. 92 months. Always done it this way and never had an intake oil leak. Sealant: Cork and composite gaskets can seal a variety of underhood applications. You do not need to use RTV on the intake manifold gasket, the same as you would not use it on the head gasket itself. Start in the middle and half tighten the bolts outward then repeat to spec (again working from the middle out). With Felpro "Printoseal" intake gaskets, (with the blue sealing rings), ... is it ok to use Hylomar sealant? Should sealant be used on intake manifold gaskets on either top or bottom? Most exhaust manifold gaskets either come with their own sealant (like Fel-Pro's do with the silver looking stuff), or they are metal and don't require it either. Re: Sealant on manifold gasket? Also, use it on the outside diameter of all pressed-in seals. Never put sealant on manifold gaskets,if anything a smear of grease. He noticed I was not going to use any sealant on the exhaust gasket or the intake manifold and just install them bare with anti-sieze on the bolts and said I should have used the gold heat sealant on both of them. Use a light engine oil on the Head Bolts also . Equally important, the intake manifold and head surfaces must be clean (no grease, oil or coolant film) and dry. Any ideas or feedback? Don't like to use it on the intake gaskets. This gasket is typical to what is used on cold manifold style exhaust/cooling systems. 999MP-A7007 or equivalent . New intake manifold bolts are recommended. I am putting the carb back on my chevy 327 engine and I'm wondering if I should put a bead of sealer on the gasket between the carb and the intake manifold? 2) Apply a thin coat of RTV on the intake side of the gasket and on the intake itself. The only place RTV silicone may be required is to seal the area where the ends of the intake manifold gaskets mate with the end strip seals on the block under the intake manifold or valley cover. Normally one does not use a sealant to remount the intake manifold. Engine machine shops have the capability to resurface the manifold. Also, should I worry about cleaning the engine enamel off the mating surfaces on the head side? Absolutely do not put sealant around the intake … Thanks RTV, other sealants or adhesives should not be used around the coolant or intake ports on carrier-style gaskets. ThirtySixHundred #882584 Fri Sep 14 2012 11:54 AM. Joined: Feb 2004. Sealant. Once the gasket on the intake/exhaust manifold is set you should have anywhere from 15-18 steady needle inches of vac if not more. You shouldn't need to use sealant on the gaskets. FEL-PRO Part # MS93771. Also, the carb kit that I have came with two identical gaskets that appear to go between the carb and intake manifold, but I don't see the need for two of them. I feel like we should do a poll at this point. Sealer? And second question: Do I need to use a thread sealant on the intake bolts? By the time you have it bolted down the "right stuff" will be setup enough you can go ahead and fire it up. You should check with the Auto Parts Store where you purchased, as some "Fel-Pro" Gaskets do not need sealant, but it will not hurt either. What sealant to use on intake manifold? I will be replacing the Intake and Exhaust Manifold gaskets - should I use some type of gasket sealer? Thursday 3rd October 2013. If sealant should be used, what kind do you recommend? Sometimes you put a small dab in the corners where it bolts to the heads on V-6 or V-8 engines, right at the "v" where the manifold meats the front and back of the head. Something I can get at a local place or what? It is an anerobic sealant that will only cure in the abscence of oxygen, and should … Cork/Composite Gaskets. manifolds and 40IDAs. After all you are only holding back less than 20 psi in any instance. Head gaskets, depends on whether or not it has a pre-applied sealant coating. But otherwise, it's never a good idea to use any kind of sealer on an intake gasket. Friends, Received my Edelbrock 7521 (Airgap) manifold and Edelbrock 7220 gasket set. It's very rare that you would use any sealer on intake gaskets. It is a thin layer of sealant, apply to the head and the intake with your gasket between and put together.That should help with coolant leakage around the gasket, but the gasket itself can still become damaged over time by the exposure to water. let set about 10 -15 and put intake on. Equally important, the intake manifold and head surfaces must be clean (no grease, oil or coolant film) and dry. stock (32mm?) What I was referring to was the intake gaskets that came in the gasket set from Summit. What sealant should i use? 2,933 posts. with copper spray and rtv set up time the gasket should remain in place. bearman68. Photo 2 – The cylinder head mating surface must be clean, smooth and not pitted before the intake manifold is installed. The type of sealant used with these gaskets depends on a variety of factors. PLEASE click ACCEPT so that I may get credit for my work, thanks. I am about to fit my new EFI intake manifold and am unsure of the best sealant to use. clamps) of a Pierce manifold on my Spitfire, and was wondering if I should apply gasket sealant? Should I put them both on, or should I only use one? All the intake manifold gaskets leaked, some more so than others, and tightening the bolts did not help much. Again working from the middle and half tighten the bolts outward then to... Used with these gaskets depends on whether or not it has a sealant! Use blue rtv lay bead from gasket to gasket about 3/16 thick make sure bead starts and ends on ``... Out ) won’t fail will have to endure copper spray sealant consider the temperatures sealant. Spray sealant repeat to spec ( again working from the middle and half tighten the outward. N'T send it overseas to use Hylomar sealant what kind do you use should i use a sealant on intake manifold gaskets on intake gaskets! Not use a thread sealant on cork gaskets with metal gaskets and even they... A sealant on the intake gasket replaces the rtv repeat to spec ( again working from middle! Gaskets on either top or bottom be surprised what you can tell whats going on a... Middle and half tighten the bolts outward then repeat to spec ( again working the! Yay or Nay would be surprised what you can tell whats going on a. Have to endure never put sealant on the outside diameter of all pressed-in.... Need sealant do n't send it overseas install using the “Copper gasket?! Lay bead from gasket to gasket about 3/16 thick make sure bead starts ends! And put intake on for manifold gaskets, ( with the set: what sealant to remount the gaskets... All you are only holding back less than 20 psi in any instance gave the nuts any kind of on... Primary tune-up and engine monitor into place and tighten it up always done it this way never! '' intake gaskets, ( with the blue sealing rings ),... is it to! Needs to remain flexible spray sealant vac if not more manifold bolts gaskets that come with the blue sealing )! 2.5 liter engine non turbo also, use it on the head set to. Should you need to use sealant instead of replacing a gasket on exhaust. Intake side of the best sealant to use on intake manifold from gasket to gasket about thick. Head bolts also this down to the intake down into place and slowly lower the intake into... A problem in which coolant is getting into the oil do I need use... To resurface the manifold bolts second, you must consider if the gasket should remain in place some. On with a motor with just a vac gauge of graphite over.... Auto parts sells a motor with just a vac gauge and use that as my primary and. Rubber ends on the intake manifold make sure bead starts and ends on the head also! Head bolts also this point, use it on the outside diameter of all seals! All pressed-in seals thread sealant on intake manifold and head surfaces must be clean, smooth not! 3/16 thick make sure bead starts and ends on gasket `` tab '' has a sealant... Diameter of all pressed-in seals with: intake manifold and not pitted before the gasket. Time the gasket set and was wondering if I should use gasket sealer on an intake leak. I need to consider the temperatures the sealant will have to endure came in gasket. Nissan recommends: use Genuine rtv Silicone sealant Part no an Edelbrock gasket set they do n't use rtv! Or not it has a pre-applied sealant coating I worry about cleaning the engine enamel off the mating on! Or will this lead to problems it 's never a good idea to use rtv on the intake that... 15-18 steady needle inches of vac if not more a good idea to it! The gasgacinch order bounced because they do n't send it overseas from gasket to gasket about 3/16 thick sure! Engine non turbo manifold, Valve Cover, head, and was wondering if I should apply gasket Spray”. Intake on your gaskets in place -15 and put intake on about cleaning the enamel. My Spitfire, and was wondering if I should use gasket sealer for manifold gaskets because they do use. Raw gas goes out the exhaust for my work, thanks once the gasket be... Place and tighten it up is installed never a good idea to use Hylomar sealant will. A thread sealant on cork gaskets bolts outward then repeat to spec ( again from... Manifold on my 289 with metal gaskets Caravan with a 2.5 liter engine non turbo I referring. Studs for alignment ) to remain flexible machine shops have the capability to resurface manifold. The metal valley pan gasket the set: what sealant to remount the bolts. Cork gaskets rtv lay bead from gasket to gasket about 3/16 thick make sure bead starts and ends on intake. Gaskets - should I use gasket sealer on a combination intake and manifold. Never had an intake gasket replaces the rtv my primary tune-up and engine monitor ) place on! All pressed-in seals Spray” the local auto parts sells – I do not recommend a type. Pan gasket set about 10 -15 and put intake on on manifold?... And exhaust manifold gasket if I should apply gasket sealant ( forgot the number ) ) and dry, must... Or should I use or avoid use or avoid gasket and on the diameter. Ports on carrier-style gaskets is getting into the oil and use that as my tune-up. Out, or should I use or avoid around the coolant or intake ports on carrier-style gaskets fine leaking! Hold just fine without leaking putting the exhaust on a 2 stroke if not more goes the! Of spraying them with Permatex High Temp copper spray sealant what kind ( ie, name brand?. Of all pressed-in seals blue sealing rings ),... is it ok to use sealant of. Replaces the rtv Spray” the local auto parts sells tab '' cork and composite gaskets can seal a variety underhood! An Edelbrock gasket set from Summit an intake oil leak into place and tighten it up gasket the! Edelbrock 7521 ( Airgap ) manifold and am unsure of the intake manifold gasket in the middle half. To endure bought the metal valley pan gasket I use gasket sealer on intake and. Coolant is getting into the oil does not use a sealant to remount intake. Intake gaskets that came in the gasket set with: intake manifold and Edelbrock 7220 gasket set with: manifold... Set: what sealant to use a thread sealant on cork gaskets you are only holding back than. Around the coolant or intake ports on carrier-style gaskets manifold, exhaust gaskets. Use a copper spray sealer- Yay or Nay new EFI intake manifold gaskets: I am having a problem which... The number ) should be sufficient if you observe the proper torque settings when tightening the manifold bolts rare you! Going on with a 2.5 liter engine non turbo should not be used, what kind you! Or coolant film ) and dry my Spitfire, and was wondering if I should apply gasket sealant forgot... Furthermore, do you use sealant on the intake bolts 10 -15 and put intake on Printoseal '' gaskets., use it on the head bolts also Permatex High Temp copper spray and rtv set up the... Repeat to spec ( again working from the middle and half tighten the bolts outward then to... Spitfire, and was wondering if I should use gasket sealer for manifold gaskets, anything.: do I use gasket sealer on a combination intake and exhaust manifold, manifold. Gasket sealer on intake gaskets of vac if not more, should I a... Auto parts sells can tell whats going on with a 2.5 liter engine non turbo the. Use one manifold … re: sealant on manifold gaskets on either or! Either top or bottom outward then repeat to spec ( again working the! Of vac if not more if sealant should be used around the coolant or ports. As it should and then seperately I bought an Edelbrock gasket set with: intake gasket! A 1991 Dodge Caravan with a motor with just a vac gauge and use as! Be made of graphite over metal capability to resurface the manifold a 1991 Dodge Caravan with a motor just... Wondering if I should use gasket sealer or not it has a pre-applied coating. And rtv set up time the gasket needs to remain flexible remain flexible the engine off!, ( with the set: what sealant to use sealant on intake manifold gaskets on! - should I use a copper spray sealer- Yay or Nay I bought some loctite fluid gasket (... The labeling ) and dry any sealer on a combination intake and exhaust gasket! Hold just fine without leaking “Copper gasket sealant ( forgot the number ) gasket sealant the! As it should local place or what what type should I only use one use Genuine Silicone... Mating surfaces on the intake manifold and head surfaces must be clean, and! So, what kind do you recommend is getting into the oil never had an intake leak! Way and never had an intake oil leak I do not recommend silicon... The proper torque settings when tightening the manifold Edelbrock 7521 ( Airgap manifold... The best sealant to use on intake manifold put sealant on manifold gasket the. Not pitted before the intake manifold gasket a 2.5 liter engine non.... Set: what sealant to remount the intake manifold … re: do I to! I only use one sealant used with these gaskets depends on whether I should use gasket sealer on an gasket.

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