Poppet Carrier fell in block

[drummer0901]

Today I was pulling the carrier out of the block on an 82 200 behind the poppet valve and ole fumble fingers here pushed it into the block.<br /><br />Please, Please, Please tell me I don't have to pull the Powerhead to get it out. I rooted around in there to see if I could find it and I can't. Is there somewhere where the carrier will come out, maybe an exhaust tube or something.<br /><br />TIA<br />Mark

 

[gss036]

Re: Poppet Carrier fell in block

Is this an inline 6 or V6 block? I wuld think the 1st thing is to try and see it with an inspection light and the try to get hold of it w/mechanical fingers or wire. I read a post a while back about somebody fishing one out w/stiff wire. I would think you will need to to see it though.

 

[drummer0901]

Re: Poppet Carrier fell in block

V6 block. I tried a coat hanger, but I can't even see it or feel it

 

[gss036]

Re: Poppet Carrier fell in block

I've never seen down inside the block there so I really can't say where it will go. I guess it depends on the size of the water passage down to the exhaust where the water dumps.<br />You are talking about the rubber type "O" ring that fits into the hard plastic piece (grommet) that is in the block.<br />I just did my poppet assy and I actually used a piece of bent wire just to make sure it would not go anywhere had I lost hold of it while putting it on the grommet.<br />If you order a new one, they come in a package of 2 from Mercury.

 

[KCLOST]

Re: Poppet Carrier fell in block

Man, that's a tough one. It's hard to tell where that thing is going to go... Are you sure it was the carrier?, or was it the smaller grommet piece that fits into the carrier? <br /><br />If it didn't move to far you might try a vacumm cleaner and see if you can suck it out or at least maybe up to the hole... If you haven't already, take out the carrier, this will enlarge the opening..<br /><br />If that doesn't work try running the engine on the muff and maybe it will follow the water that exits the poppet hole. That will no doubt be the path of least resistance... But don't run the engine too long without that poppet in place or the engine will overheat...

 

[KCLOST]

Re: Poppet Carrier fell in block

It might also exit with the exhaust...

 

[drummer0901]

Re: Poppet Carrier fell in block

It is the small rubber piece that fits into the thing plastic piece. Maybe I have all my term screwed up. I got the plastic piece out, it is the small rubber piece that fell in. I will try the vacum trick though. Thanks

 

[andy6374]

Re: Poppet Carrier fell in block

the smaller rubber piece is the grommet.

 

[gss036]

Re: Poppet Carrier fell in block

I was looking at my manual last night and either it is wrong with the names for the parts, but it is calling the parts by the wrong name. I went out to the shop this AM and looked at the Mercury packages and the soft rubber piece is called a Grommet (which makes sense, since that is what it is) and the larger hard piece is the Carrier. So my manual is wrong on the picture showing the parts. <br />I did not replace the carrier on mine as the old one did not seem to want to come out and it looked good, so no reason to pry it loose. I have the new one if I need to go back in and replace it.<br />Keep us posted on the outcome because I am sure there is a lesson here to be learned by all.

 

[drummer0901]

Re: Poppet Carrier fell in block

Well all my parts came in today, rebuilt the poppett, installed Thermos and gaskets, new water pump. I hope to get to try it at the lake tomorrow, I think I will pass on the muffs this time. I'll report back tomorrow

 

[drummer0901]

Re: Poppet Carrier fell in block

Alright, more frustration. Got to the lake today, fired the old mutt up and stronge tell tale. around 12 PSI on pressure gauge. I let idle for several minutes. Temperature is climbing some, so I take off. Once on plane, temperature begins to climb past 140, and the overheat alarm comes on. So I slow to an idle and the temperature gauge goes down, until I take off again. Could I have put something back together wrong? or could this be that grommet that fell in the block blocking the poppet valve, or thermos not opening?<br /><br />TIA<br />Mark

 

[drummer0901]

Re: Poppet Carrier fell in block

Took apart the thermos and checked them in the house, and both open . Took the Poppet Assembly back off, checked for blockages, nothing. It seems as if I did put the screw into the poppett valve a little tighter this time. Once I got all back together, I put it in a tank and ran. Had a little leak around both thermos, fixed that, I noticed that the small hole in the poppett was dripping water. Is this normal? By the way, Water pressure gauge was reading about 12 psi at idle. Like I said, It only overheated when I tried to get on plane.

 

[gss036]

Re: Poppet Carrier fell in block

http://forums.iboats.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=29;t=019921#000015 <br />This link will take you a post w/water flow chart of 89 and newer, it might be similar to yours.<br />I don't think water dripping from the poppet is normal.<br />Different models have different water pressure, my 89 Merc manual on mine calls for 12 psi at max RPM, I get about 2 psi at idle. Hopefuly, some of the other posters will jump in next week, maybe they will know.<br />I still have not run my motor since doing the poppet, so hope it is right. At $3.20-3.30 @ gal for gas and being retired, can't afford $40 @ hr running my boat and it is an 1 1/2 hour or more each way for Halibut or shrimping. Takes the fun away.<br />Normally, higher temps are at idle and then as you speed up the pressure will open the poppet and dump excess water out through the exhaust and you will run much cooler. The thermostats should open at about 143 degrees. Maybe your poppet is not opening for it to get hot at higher RPMs. I think the water flow goes out to the exhaust at that point so I don't see that as problem unless it is blocking a passage.

 

[andy6374]

Re: Poppet Carrier fell in block

The overheat alarm doesn't come on until 240 on that engine.<br /><br />What design pressure relief do you have, I, II, or III.<br /><br />If there is leak in that hole either the diaphragm is leaking or the poppet isn't seated properly.

 

[drummer0901]

Re: Poppet Carrier fell in block

Look at the temp gauge in the dash, I get overheat at about 140. When I get to WOT and on plane the Temp keeps climbing until I get scared and shut it down. My temp gauge doesn't even go to 240. Looking at the Mercury Parts page, it is the bottom design, not sure if that is I, II, or III

 

[drummer0901]

Re: Poppet Carrier fell in block

The small dripping looks like it is a weep hole or something, and water just drips. Like I said, at idle everything is good, WOT is a different story

 

[ronnieboy]

Re: Poppet Carrier fell in block

hi drummer, i dont think the poppet is seated in the block, remember, it stops the flow of water till rpm goes up, then opens to let lots of cooling water through the engine, you should feel it seat when assembling, should have preload of 5 to 9 pounds on poppet spring, i had to shim mine with washer to get propper loading, also, somethin aint right with the idle pressure, my v-6 block carries 3 pounds idle, and 23 plus pounds at wot. poppet not seating will let air get trapped inside of cylindars and wont cool , has to be sealed to work right. good luck ron

 

[drummer0901]

Re: Poppet Carrier fell in block

Ronnieboy, perhaps I'll explain how I put the poppett together and see if this is correct. (My manual has not arrived yet) <br />1. in the block the carrier is pressed in. Inside the carrier goes the grommet. With new gaskets on both sides of the plate I insert the assembly loading the spring up and bolt it up. My concern is the previous grommet being stuck somewhere blocking the flow of water. What would cause my water pressure to be so high at idle?

 

[gss036]

Re: Poppet Carrier fell in block

http://www.mercurypartsexpress.com/PartsExpress/HomePage/homepage.asp <br />Go to this site, put in your SR# and pull up a parts picture and see if you have it assembled properly. There are 3 differnet washers, diffusers etc. The white one has to seat against the grommet to seal and seat.

 

[drummer0901]

Re: Poppet Carrier fell in block

I am pretty sure it is seated against the grommet. I still worry where that other grommet went