Pagoda SL Group
W113 Pagoda SL Group => Drive train, fuel, suspension, steering & brakes => Topic started by: Merc_Girl on September 06, 2022, 12:13:03
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Hi
Does anyone happen to have a cross section drawing of the fuel reservoir situated in the boot (trunk)
I’m just somewhat intrigued as to what goes on in there and how 😁
Thanks
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There is a lot of information the Tech manual on the subject. Try to search for "flower pot" as well.
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Hi
Does anyone happen to have a cross section drawing of the fuel reservoir situated in the boot (trunk)
I’m just somewhat intrigued as to what goes on in there and how 😁
Thanks
Not sure what you mean by the fuel reservoir? The "flower pot" to which Dirk refers is in the fuel tank so probably not what you are referencing.
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Katie
Have you looked up Fuel venting system .in Tech manual here,under Fuel system ?
Keep well
Paul
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Thank you!!! :)
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Does this help?
https://www.sl113.org/forums/index.php?topic=8709.0
Check out some of the linked pictures like this one
https://www.sl113.org/forums/uploaded/jeffc280sl/200857214446_fuel.jpg
I googled it and google led me back here…the source for all things w113 :)
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Thank you 😁
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So looked at mine again. It certainly appears to have some ‘clips’ missing to hold it in place
I’m not sure if it’s an early pagoda thing, but ‘my pipe work’ (phna phna) is very small compared to those seen in other images, then it looks like old tape on the end to increase the size of the pipe? The reservoir itself appears to have peeling paint on it, which is rather peculiar as I thought these were black plastic?
Is anyone able to say whether this pipe work is correct for the period (1963/64) or something has been cobbled together somehow.
Don’t be confused by red sheen on a part of reservoir as this is a reflection off the fridge in the boot 🤣
If not correct I’ll replace it as it looks dreadful
Thanks again
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Katie,
The two smaller pipes to the left in the photo are the connections to the two vent lines at the tank, on either side of the fuel filler neck (should make sure those are not plugged). The larger connection (where you have the clear plastic tube with the reinforcing fibers, is the vent to the outside. There should be a small FSVT - funnel shaped vent thingy hanging down visible from behind on the right side of the back panel. This is available from Authentic Classics: https://www.authenticclassics.com/Mercedes-Fuel-Evaporation-Canister-Vent-Boot-p/auth-007111.htm
KK Mfg has a tank reproduction but it is not quite the same as the original: https://www.kkmfg.com/catalog_loader2.php?page=113fuel.xml
Buds Benz also has the tank: https://www.budsbenz.com/catalog/230-250-280-sl/d-fuel
I am attaching a picture from Buds that shows the set up for the tank.
SLS out of Germany shows the set up, but does not have the tank available - they do have a clip, no 68 in this diagram: https://www.sls-hh-shop.de/main/en/mercedes-230-280sl-w113-/47-fuel-tank
Mine does not have any clips holding it in place, but I think there should be.
The small tank should not be painted, it is black plastic.
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Katie
did you look here? https://www.sl113.org/wiki/Fuel/VentingSystem
If your clips are gone then the reason is most likely damaged slots in board that will no longer hold the clips when you try to slide in the connecting hose pieces or the top and bottom stubs on the tank.
The replacement tank that is sold now no longer uses the metal pipes and connecting rubber hoses. Unless you are a real stickler for originality I suggest you go with those.
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Thanks everyone
I can’t figure out why the reservoir has been painted as, as you say, the plastic is black. Just wondering if the painted it to hide something more serious? Ie a hole which then was filled and and sprayed black to hide this. I can only presume the wrong paint was used as starting to flake off, or indeed fuel seepage has caused a chemical reaction
Bessy has new boot panels so no reason why I shouldn’t be able to reattach everything back together
Yes, looked in the Tech manual, that’s what made me question if my metal pipes were correct, as the images didn’t seem to reflect those on Bessy.
I may consider replacing it all, once I have investigated further, as the smell of fuel still lingers and getting somewhat annoying now and below the standard expected of a Merc 😁
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Katie
Be aware that someone may have not used fuel grade rubber pipes to connect the metal pipes either at the separator in the boot, or on the tank connections under the cover at the rear of the boot.
Is the "funny funnel device" still fitted to the vent pipe under the rear bumper ?
My car had the wrong size pipes fitted, they were also decomposing, and some pipe clips were missing on the fuel tank connections.
I removed the metal pipes, and just ran all new fuel grade "rubber" pipes and clips ,of the correct size, and that cured the petrol smells.
Good luck
Paul
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Thanks honey 😁
Investigation will commence shortly !
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Katie
This is the pipe and fittings I used
Paul
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Thank you :)
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A good source for OEM cloth braided, fuel rated, hose, in the US, is www.autohausaz.com. Comes in a variety of inside diameters, and there's also a diesel rated version available, which is even more durable. They also sell the smooth OEM looking GEM hose clamps in many sizes.
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Thank you for all your help
I’ll follow up Paul & Dolly’s suggestion first due to silly import duties 😔
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I had fumes in the cockpit coming from deteriorated hoses in the trunk. I replaced everything with the setup illustrated from Buds Benz above…fixed everything. I already had all my clips…just replaced the hoses and the chamber itself. I also took the chance to blow out the vent line
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A good source for OEM cloth braided, fuel rated, hose, in the US, is [...]
A good source for any of these parts is Mercedes-Benz - the dealer.
Everything available, especially the correct non-decomposing fuel-resistant hose.
Achim
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A good source for any of these parts is Mercedes-Benz - the dealer.
Everything available, especially the correct non-decomposing fuel-resistant hose.
Achim
Absolutely correct. But not everyone has easy dealer access, and many may like the option of having the hose(s) in bulk, so that they can have it on hand. My recommendation of the alternate US source, was not a recommendation to purchase the wrong type of hose...as I clearly stated.
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Katie,
The two smaller pipes to the left in the photo are the connections to the two vent lines at the tank, on either side of the fuel filler neck (should make sure those are not plugged). The larger connection (where you have the clear plastic tube with the reinforcing fibers, is the vent to the outside. There should be a small FSVT - funnel shaped vent thingy hanging down visible from behind on the right side of the back panel. This is available from Authentic Classics: https://www.authenticclassics.com/Mercedes-Fuel-Evaporation-Canister-Vent-Boot-p/auth-007111.htm
I am quoting Jonny B's post from a little while ago. I am referring to the vent line going to the outside. (Not the lines to the tank vents) Does anyone have a picture of the actual location? Where exactly does the line go to the outside and where is funnel-vent located.
A picture would be great.
Thank you.
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I don't have anything disassembled in the trunk, but here's where it exits below.
Apparently "Tony" replaced my right rear bumper.
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Interesting vent is so close to a hot exhaust even if just vapour?
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Reminds me of a "relief tube."
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I don't have anything disassembled in the trunk, but here's where it exits below.
Apparently "Tony" replaced my right rear bumper.
Perfect,
thank you very much.
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Hi, Dirk,
Sorry for the poor photos! The first shows the position of my (blurry) FSVT, which is higher and further from my exhaust pipes than Rodd's. The second shows the in-trunk expansion tank with the three hoses and metal tubes coming down from it (and brackets/clamps holding them). (Mine is also a '66 230SL.)
-David
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David,
thanks to you as well. I see now where the third line is penetrating through the floor. I found the hole. I am making new cardboard panels and they are fighting me at the moment. My old ones were all bend out of shape and falling apart. As soon as I have these in , I will route the lines.
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I am making new cardboard panels and they are fighting me at the moment.
That is probably worthy of a how-to video. What material to use, how to cut/bend/fit, etc.
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Soz all
Would anyone happen to have a good photo/multiple photos of how the fuel reservoir (in boot/trunk) is clipped in place? This is for the early 230sl (1964)?
Mine is still ‘wafting’ around in the air! Is the reservoir only held in place by a clamp holding the ‘pipes’ in place, or just above the jubilee clips. Should there also be one also holding the little ‘nobble’ on the top?
As always, thanks in advance
Katie
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Katie, this little expansion tank is held to the right hand side trunk trim (cardboard lining) via two clips that go on the studs on the tank (top and bottom) and then to slots in that lining. Those clips are no. 61 on the drawing (from SLS).
Then you have two clamps that hold the pipes to the floor (A 110 995 03 32).
It looks somewhat like here: https://www.sl113.org/forums/index.php?topic=36164.msg264756#msg264756
or here
https://www.sl113.org/forums/index.php?topic=8679.msg56626#msg56626