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General Category >> Rubber Side Down! >> Rtv sealant for valve cover gasket and found a par
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Message started by TheProduct2007 on 10/01/13 at 19:46:13

Title: Rtv sealant for valve cover gasket and found a par
Post by TheProduct2007 on 10/01/13 at 19:46:13

I asked in a previous forum what type of rtv sealant to use as a valve cover gasket and I think wd said gray? I wanted to make sure this is correct because I saw in a tech topic that y'all use red rtv for the head seal cap.

My next question is I found what looks like to be a small metal dowel rod, it's about an inch maybe inch and a half long and I don't know where it came from, right now my the two cases are open so it must have came out in either one of those? Anyone have any ideas?

Title: Re: Rtv sealant for valve cover gasket and found a
Post by old_rider on 10/01/13 at 20:45:21

The dowel rod sounds like one of your case alignment pins...someone more knowledgeable will jump in and help, I have yet to have to pull the head off.

Title: Re: Rtv sealant for valve cover gasket and found a
Post by TheProduct2007 on 10/01/13 at 22:18:46

I hope it ain't a pain in the butt to put back in

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Serowbot on 10/01/13 at 23:25:01

I doubt that there is whole lot of difference... and I've sealed things with dollar store RTV that worked fine...
... but, when in doubt,... making a seal... use Hondabond, or Yamaboond... This stuff costs triple the cheap stuff, but you use so little, a tube will last you for years...
I know car guys that go to the Honda dealer for Hondabond...
It's grey... and if you fail with Hondabond it's your fault, not the sealant...

...and, isn't it comforting to know,... when you're kicking yer a$$ 'cause it didn't seal,... you're kicking the right person?...
;D...

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Oldfeller on 10/02/13 at 02:59:38

Your head alignment pins are hollow roll pin of some decent size that are oriented around screw holes. There are two of them.

Do you have a Clymers manual?

Can you take and post a digital pic of the pin you are asking about? Take a pic of the cases you refer to having taking apart since you have reposted in a new thread and are separated now from all your past information.

(go up to top of this section and read the posting guidelines for why you don't do this).

There are several solid pins associated with the valve mechanism but they are retained by screws and such. Some are close to 1 1/2 inches. Is there a groove cut into this pin (or a flat)?

=================

RTV comes in all sorts of colors now, so pick one that matches the paint on your head.

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Dave on 10/02/13 at 05:25:05

I would suggest you buy the Suzukibond, Yamabond, Hondabond....it is the right stuff to to the job. It only takes a thin strip to seal.....just enough to coat the parts and barely ooze out the seam. It is the sealer between the flat sections that does the sealing....not the stuff that oozes out the seam. If you put on too much you can block the oil passages inside.

Whatever you choose.....don't do this:

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Dave on 10/02/13 at 06:18:10

Look at this parts diagram. There are round pins (#5 and #6) that align the head cover to the head, and one has a rubber O-ring with it.

http://www.hondaofflorence.com/fiche_section_detail.asp?section=432111&category=Motorcycles&make=SUZUKI&year=2005&fveh=10118

Or is the pin from the case halves?

Title: Re: Rtv sealant for valve cover gasket and found a
Post by TheProduct2007 on 10/02/13 at 06:46:47

Thanks Dave, that pic kind of looks like what I did, so I got to take the valve cover back off and I'm going to get some bond for next time I'm I go to the power sports store.
As far as the part goes I can't find manual right now but I was looking at a diagram on bike bandit and so far I think it maybe the pin to the starter clutch but I'm not sure

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Serowbot on 10/02/13 at 08:05:24

Yes,.. it goes on very thin... these surfaces practically seal themselves, they will squeeze out nearly all excess RTV.... and some may squeeze into bad places...
Thin as paint,.. not toothpaste...

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Gyrobob on 10/02/13 at 08:13:10

When using rtv this way, put a very thin layer of non-silicone grease on one mating surface. It won't affect the seal, and the next time you have to take it apart, all the cured rtv will stick to one surface and not to the other at all. This usually allows you to not have to use rtv again for reassembly,... in effect you have a permanent gasket.

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Dave on 10/02/13 at 08:13:14

Each large part that assembles will have 2 locating pins. Some of these pins are solid - some are hollow and have a bolt pass through them. It required 2 pins to properly locate and lock the parts together.

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Dave on 10/02/13 at 08:15:33

78464D505D505D3F0 wrote:

Title: Re: Rtv sealant for valve cover gasket and found a
Post by TheProduct2007 on 10/02/13 at 09:12:15

I'm really thinking of using some thin layer of black or gray rtv because I have some extra I haven't used. The pin is solid not hollow and has no grooves or cuts or flat surfaces on it besides the ends

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Gerry on 10/02/13 at 11:40:07

1A262B1E3C212A3B2D3A7C7E7E794E0 wrote:

Weird, I thought I posted this morning but checking back now I see it did not post?
Anyways, I think your right, it is the shaft for the starter gear.
Gerry
http://i669.photobucket.com/albums/vv55/lotus23bsr/Public%20Album/DSCN0738_zps737d5fe3.jpg

Title: Re: Rtv sealant for valve cover gasket and found a
Post by TheProduct2007 on 10/02/13 at 12:14:15

Gerry that looks exactly like it, thanks man

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Gyrobob on 10/02/13 at 12:51:06

457E7364757962647F777A65160 wrote:

[quote author=78464D505D505D3F0 link=1380681974/0#9 date=1380726790]When using rtv this way, put a very thin layer of non-silicone grease on one mating surface. It won't affect the seal, and the next time you have to take it apart, all the cured rtv will stick to one surface and not to the other at all. This usually allows you to not have to use rtv again for reassembly,... in effect you have a permanent gasket.

Wow.....I sure don't like this idea......it is certainly not the method that the factory uses when they assemble the case halves or head cover at the factory. I have no problem using this method on one side of a fiber gasket....but not with sealant.[/quote]

It won't work with standard sealants. True silicone seal RTV is a strange animal, though. I've used this trick on everything from differential covers to distributor caps to valve covers to cylinder bases.
-- It doesn't work very well on exhaust systems.
-- Don't use a silicone-based grease or the RTV sometimes just glues itself to both sides of the mating surface. I've used plain old wheel bearing grease, and even Pam cooking spray for this.
-- I don't recommend using it with a gasket unless you fully accept the idea you'll have to scrape the glued-on gasket off next time you take it apart. A gasket glued on with RTV is hard to get off.

Title: Re: Rtv sealant for valve cover gasket and found a
Post by TheProduct2007 on 10/04/13 at 01:24:42

I got black rtv sealant to redo the valve cover gasket because that's what was on it before and it is supposed to be more resistant to oil.
That metal dowel rod looking piece goes in the center of the clutch assembly, not the start clutch.
I just got my circle clips today for the cam chain tensioner and I'm going to begin putting it all together on Saturday.
I hope everything goes good. My torque settings are good and timing is too.
Any precautions I need to make?

Title: Re: Rtv sealant for valve cover gasket and found a
Post by verslagen1 on 10/04/13 at 07:26:34

make sure you got the bolt on the center cover and the one on the far left head before you start rtv'ing it or you'll forget.

Title: Re: Rtv sealant for valve cover gasket and found a
Post by TheProduct2007 on 10/04/13 at 10:29:52

I read on here where those bolts go on first with the cover but I don't understand why?

Title: Re: Rtv sealant for valve cover gasket and found a
Post by verslagen1 on 10/04/13 at 10:49:43

If you're doing the repair in frame, you won't be able to get the center bolt in otherwise.

The front left one because that's the way it is.

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Serowbot on 10/04/13 at 11:37:03

yup,.. I left that bolt out the first time I did one...
That's one of those mistakes you only make once...

Then, it becomes etched in your mind forever... ;D ;D ;D...

Title: Re: Rtv sealant for valve cover gasket and found a
Post by TheProduct2007 on 10/04/13 at 11:42:53

What happens if you don't? Does the motor blow or oil leak?

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Serowbot on 10/04/13 at 19:05:13

Nope,.. you'll just find yourself standing there, staring sutupidly at your comeplete engine with a long bolt in your hand, and no way to put it where it goes...
You'll have to pull the cover again,.. clean it all off, re-RTV it,... then put the bolt in BEFORE putting the cover on...
You just can't get it in place, once the cover is already on...
It's a sequence thing...
It's a... "You can't get there from here"... thing... :-/...

Title: Re: Rtv sealant for valve cover gasket and found a
Post by WD on 10/04/13 at 19:37:20

"You can't get there from here"

I knew she was loud, but how did you hear Lisa talking about the farm all the way out there in the desert? That's impressive...

Title: Re: Rtv sealant for valve cover gasket and found a
Post by Dave on 10/05/13 at 05:01:21

Before you get that fine line of RTV spread.....do a practice assembly. Then you will know the sequence that is required.

Title: Re: Rtv sealant for valve cover gasket and found a
Post by TheProduct2007 on 10/05/13 at 13:47:08

I see what y'all mean, I can't figured torque settings correctly though I have a inch lbs torque wrench that only grades down to 120 inches per pound

Title: Re: Rtv sealant for valve cover gasket and found a
Post by verslagen1 on 10/05/13 at 13:49:54

you multiply (x) ft.lbs by 12 to get in.lbs.