When to Use RTV Sealer During Gasket Installation

When to Use RTV Sealer During Gasket Installation | Fel-Pro Gaskets

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Proper installation of Fel-Pro gaskets is the key to long service life. Join Master Technician John Gurnig of the Fel-Pro Field Test Garage as he demonstrates how to install a variety of gaskets from the Fel-Pro lineup. From Fel-Pro PermaTorque® MLS head gaskets to PermaDryPlus® oil pan gaskets, John gives tips for a successful installation.
While in the past it was not uncommon to coat a gasket with sealer or adhesive before installing it; today, clean and dry installation is the preferred method for most Fel-Pro gaskets. John also shows some gaskets that require a small amount of sealant or RTV for mating or filling gaps. With gaskets specifically designed for the repair environment, you can count on Fel-Pro to help you get your vehicle repair done right. To find the gasket you need to complete your repair, visit Fel-Pro: www.felpro.com/find-my-part.html. Experience the Fel-Pro Difference and learn why Fel-Pro gaskets are The Gaskets Professionals Trust™.
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Пікірлер: 56

@theamaturepro 2 ай бұрын

I've rebuilt quite a few old engines from classic cars that pretty much used all cork rubber gaskets. I've always used a very thin layer of rtv on the block side to stick it on for instillation. I finally got to build a modern engine a while back and I've gotta say, I'm a huge fan of the blue rubber gaskets! Especially the oil pan, but also the ones that snap into groves. It's such a great improvement and not getting rtv all over myself had me happier than a fly on fresh cow shit!

@champspec 9 ай бұрын

I build alot of LS engines. Felpro is my go-to gasket for just about everything. But one issue that I’ve found with the valve cover gaskets. They become displaced shortly after installing. No matter how many methods or re-torquing procedures I’ve tried, nothing solves the leakage issue. I have tried other brand gaskets with better success. But they aren’t perfect either. Doesn’t matter if the VC are new, oem or aftermarket.. What we have found to be a full proof method for these is using a very light bead of Blue rtv all the way around the groove of the VC, the insert the dry rubber gasket into the groove. Wipe away the access, then install. It works as a glue to keep the gasket from moving. Without this, the gasket can move out of place when tightening down and through heat cycles. This is a tried and proven method.

@rayjohnson7886 2 ай бұрын

I use mostly Fel Pro gaskets on most jobs and on the corners of the timing covers and the corners of the main caps I tried dry before that's a no no that was a lesson learned for me great thing I didn't have to raise up the engine to remove the oil pan.

@franciscomacias9603 10 ай бұрын

Don't know about the coolant passage, I put them on dry and torqued the bolts as instructed and was getting coolant past the coolant passages to the lifter Valley. Had to remove and reinstall with a new set and added RTV sealant along the coolant passage and solved my issue. Yes both heads and lower intake were straight and level at the time of installation. 5 years ago.

@caze269 2 жыл бұрын

I know we're all here for car stuff, but take a couple seconds at 3:15 to appreciate that PC on the rolling cart. It appears to be Compaq, and it's been a minute for that company. And I'm certain that it still does the job it's supposed to do.

@keithreeves567 Жыл бұрын

Thank you so much for clarifying all of that for me

@thekingiscoming2731 Жыл бұрын

Thank you John, you are doing a good job, can you do video about common mistake when replacing gaskets, incorrect torque when tightening the bolts ( uneven torque, over torque and under torque) . thank you again and GOD bless you.

@fightschoolsageART 11 ай бұрын

Thank you my friend!! Here in 2023

@garyp1930 Жыл бұрын

Great job !!

@acappellahymns 9 ай бұрын

The Fel-Pro paper gaskets weren't covered here. Such as what would be used with a water pump.

@DL-ls5sy 3 ай бұрын

I agree . For cam cover : dry, no RTV at all.

@user-qx1ri6gf4s 8 ай бұрын

helps me a lot

@draimomdpdr 6 ай бұрын

Those spots on the GM V6 valley seals are a pain to seal. Very easy for the seal to fail when not using enough, but using too much just dumps sealant straight down into the block. Adding boost and increasing crank case pressure tends to blow these gaskets out immediately. That's an ancient PC back there.

@scottsthaname1 Жыл бұрын

Rebuilding a 460 right now with your gasket set... don't let me down...👍

@Doomzdayxx Жыл бұрын

How did it go?

@scottsthaname1 Жыл бұрын

@@Doomzdayxx the gaskets are awesome but my supplier sent me the wrong intake manifold gaskets... so now we play the waiting game for parts...🤣

@Doomzdayxx Жыл бұрын

@@scottsthaname1 Fuck...i feel that pain.

@robinhockett1191 8 ай бұрын

I need one I hope that's all I need

@geoffmcnew5863 8 ай бұрын

If you've got a Ford FE (390-428), you should use Fel-Pro's 1632 blue cork gasket for your valve covers...with just a couple jabs of silicon. ...those should be right at/under where the manifold and head come together on the corners...just a few ccs.

@LH-zn3jg 2 жыл бұрын

What about the fel pro 70644 oil adapter gasket? Does it require anything?

@save2rave61 2 жыл бұрын

I just purchased a oil pan gasket for 2008 Is 250 Lexus. Which normally uses sealant Is that a dry application with your product.

@save2rave61 2 жыл бұрын

I just bought a gasket for a Lexus IS 250 2008. Is it applied dry??

@Sleeperdude 5 ай бұрын

So the takeaway is the more etc the better

@ronc4146 Жыл бұрын

Rear diff cover gasket?

@kulibo1 10 ай бұрын

Hi, You said no Rtv used on rocker cover silicon gaskets. But what about the line between engin block and timing cover meets ? I see all mechanics use a small amount of rtv on that joining line..

@Samson-EC Жыл бұрын

I have a toyota 22re and the valve cover has two moons. One at each end. I know rtv goes in the grove of the moon to seat against the head but do i need a dab of rtv at the top where the top of the moon ctcs the gasket? Please advise..thks..jc

@MrRightNow 5 ай бұрын

Can felpro rubber/silicone gaskets (oil pan, valve cover, etc) be reused or do they need replacing every time you take them off?

@eddieco Жыл бұрын

what about all the OTHER gaskets, ie, water pump, fuel pump, timing cover, and the 100 other gaskets found on an engine?

@Big-Lex124 Жыл бұрын

Yeah, I'm doing my engine right now, did you ever find out?

@ryandepinet5959 Жыл бұрын

Yeah I've had problems with felpro water pump gaskets

@Big-Lex124 Жыл бұрын

@@ryandepinet5959 Oh yeah, I didnt put mine together yet, I was going to put it together dry. Think I should RTV it some or dry?

@belloa3026 Ай бұрын

I just installed new FelPro vs13379 gasket without sealant. It leaks a little by bottom corners. Should I remove and and sealant?

@user-sq9qn6hk6m Ай бұрын

Just bought a set of VS 50247R "rubber" VC gaskets for my 87 F350 6.9 Diesel. Install dry or RTV in the groove? No instructions on the box regarding using sealer. Everyone has an opinion. I'm leaning toward going dry and see what happens. What does John G and Fel-Pro say?

@ghettohey2388 Жыл бұрын

Im changing my valve cover gaskets on my 2001 Ford F250. I noticed that there is RTV already on the valve covers where there is a joint. My question is what is the best type of RTV sealant to use on valve covers

@markburton9614 Жыл бұрын

#1 is Mopar engine Sealant. #2 is hondabond. #3 is ultra black. Project farm did a wonderful video on testing RTV.

@save2rave61 2 жыл бұрын

Oil pan gasket

@LifeSavingDefense 2 жыл бұрын

No mention of the paper gaskets like timing cover or water pump?

@gricejacobs7592 2 жыл бұрын

This is exactly what I'm trying to find out now about their blue striped paper gasket for the water pump and it seems impossible to find anything specific from fel-pro...no rtv, one side or both...

@patrickab01 Жыл бұрын

So doing a thermostat with a fel-pro 35024. Should I install it dry ?

@trashman1694 Жыл бұрын

I had to do thermostat on a ford with a shitty casting job on head and had to use permatex right stuff to finally get it to seal

@reyzapata9375 Жыл бұрын

What about thermostat gasket’s.

@whissguzman8740 Жыл бұрын

When i remove mine notice it had the o ring and some rtv aswell and it never leak

@markburton9614 Жыл бұрын

If you are sealing aluminum to aluminum a dry gasket is usually all you need. If you are sealing aluminum to stamped steel or machined steel to stamped steel you're going to to need some RTV. Rule of thumb.

@kgmanomglovesu5630 Жыл бұрын

Thanks, I wasn't sure if the differential would need rtv or not. The old seal had it on both sides when I removed it.

@darryljosephsmith2725 Жыл бұрын

Hi i have a volvo station wagon 245dl and i want to know where i can get a gasket set for this model. 1975

@FelProGaskets Жыл бұрын

Hi Darryl, we recommend using our where to buy tool: www.felpro.com/where-to-buy.html

@powers1776reset 2 жыл бұрын

Wear do ya get them there gluves ?👀 Thems the goodins and hard ta find fer my little baby hands 👐🏼

@kennyfleming2318 Жыл бұрын

Whur yo beez from?

@Mwellmac Жыл бұрын

Dont mean to sound negative but your title is "when" to use rtv on gaskets but with the gasket line you are selling it's never. Was here for different info. Watched it all though and good presentation.

@Doomzdayxx Жыл бұрын

When there is an uneven service such as a sharp 90 degree angle on both sides surrounding cam gear on valve cover gasket. Or where say, timing cover meets up to head, or the "half moons" on many toyota engines.

@BrandonSalas-us8mm 7 ай бұрын

Right lol dry Dry and dryyyyyy would you like a cup of dry ?

@TheCyenceLab Ай бұрын

Well he technically told you when to use it, by telling you when not to use it. Lmao. Jeez