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What is this? AND antifreeze on driver's floor mat??

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dbd74mgb Avatar
dbd74mgb Don Dean
Frederick, Frederick,MD, USA   USA
1969 MG MGC GT
1974 MG MGB
It's 66 degrees here so I started up the GT, first time in a month. Found two unusual things.....I noticed fluid on driver's side floor mat, greenish in color, not clear like brake fluid. No noticeable smell, very viscous, tastes sweet compared to bitter taste of brake fluid (yup...I did a finger dip and tongue test). Not sure how radiator fluid could get there, checked lines, and around brake assembly...nada. Ideas? Also there was oil on the top of this canister (see attached picture) and it had coated the hose up to the Y connection...where the hose is split to the rear and front carbs. I notices clamps on hoses at both carb connections and on the hose the at canister but none at the y connection where 3 could be. What is this canister and what does it do? And should I add 3 clamps to the y connection?

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C8407 Avatar
C8407 Silver Member Craig Cummings
Williamsburg, VA, USA   USA
My first guess is, if it is antifreeze, it's from the heater core in the heater box. If so, there may be a trail down the transmission tunnel.
Craig

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Noble66 Avatar
Noble66 Gold Member Noble Bradford
Orlando, FL, USA   USA
1964 MG MGB "Black Betty"
1969 MG MGC GT
1974 MG MGB "Whitey"
The thing the arrow is pointing to is part of a crankcase breather system. It’s basically the same thing as what’s on the front tappet cover of a 18V MGB engine.

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dbd74mgb Avatar
dbd74mgb Don Dean
Frederick, Frederick,MD, USA   USA
1969 MG MGC GT
1974 MG MGB
So how does it work? Is the oil coming out normal? Should I add the three clamps at the Y? Really need a hand here as this is a new engine to me. Thanks.
Does it work like a PCV valve, have replaceable inner parts, can be cleaned, etc?



Edited 1 time(s). Last edit at 2019-02-05 10:20 PM by dbd74mgb.

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dbd74mgb Avatar
dbd74mgb Don Dean
Frederick, Frederick,MD, USA   USA
1969 MG MGC GT
1974 MG MGB
No trail down from tunnel....

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SimonOopNorth Simon H
Cheshire, Cheshire, UK   GBR
Don is your windscreen / windshield fluid green? If it is the tube from the washer bottle to the jets may have disconnected behind the dashboard.

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dbd74mgb Avatar
dbd74mgb Don Dean
Frederick, Frederick,MD, USA   USA
1969 MG MGC GT
1974 MG MGB
Unfortunately its the new premixed orange yellow shade, but I'll check that out anyway....ty.

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Triumphant66 Avatar
Triumphant66 Kent C
Richmond, VA, USA   USA
1956 Austin-Healey 100M "ParisieM"
1963 MG MGB
1964 MG MGB "Nanette"
1966 Austin-Healey 3000 BJ8    & more
In reply to # 3886862 by dbd74mgb Unfortunately its the new premixed orange yellow shade, but I'll check that out anyway....ty.

What is "premixed windshield washer fluid?" Isnt it all pre-mixed?

I think your heater or heater connections are leaking anti-freeze.

Kent



My first LBC: 1969 MGB purchased in July 1977 in Richmond, VA somewhere in the Fan District. OO get in touch?.

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Noble66 Avatar
Noble66 Gold Member Noble Bradford
Orlando, FL, USA   USA
1964 MG MGB "Black Betty"
1969 MG MGC GT
1974 MG MGB "Whitey"
In reply to # 3886762 by dbd74mgb So how does it work? Is the oil coming out normal? Should I add the three clamps at the Y? Really need a hand here as this is a new engine to me. Thanks.
Does it work like a PCV valve, have replaceable inner parts, can be cleaned, etc?

If you’ve worked on B engines this isn’t new to you. It’s just bigger and some things are in a different place. Like the crankcase breather. You can clamp it if you want but if it’s not leaking it’s fine.

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PETE W Sussex Peter H
Ansty, West Sussex, UK   GBR
Don - x2 with Kent.

On the crankcase breather - the little’can’ is probably empty and is just a space where oil fumes will condense and run back into the engine but I think the early cars did have some wire mesh in there to help do the same thing I believe. Many have thrown that out. You shouldn’t need to worry about clips on the Y piece in my view as it should only be fumes going through here to the carbs but I can’t see that clips would do any harm. The ‘can’ is not like a PCV.

My guess, I stress guess, is that the oil you saw on the top of the breather is just stuff that has run back down the pipes and isn’t much to worry about. My car had a small K&N filter stuck on top of the breather and did not breath into the inlet manifold or carbs - it resulted in a fine mist of oil deposited all round everything nearby. It is now connected to an oil catch tank.

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dbd74mgb Avatar
dbd74mgb Don Dean
Frederick, Frederick,MD, USA   USA
1969 MG MGC GT
1974 MG MGB
Sorry for confusion, I used to live in the Northeast where it would get really cold and your ws cleaner was good to 40 below.
I now live where getting below zero doesn't happen and I cut the mix with water.
We also have a summer and a winter mix available.

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dbd74mgb Avatar
dbd74mgb Don Dean
Frederick, Frederick,MD, USA   USA
1969 MG MGC GT
1974 MG MGB
There was oil on top of canister but I wiped it off before taking picture, there was also oil on the hose going to Y connection from canister.
If it's just a passive system I'll just keep an eye on it for now.
Thanks for info.

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dbd74mgb Avatar
dbd74mgb Don Dean
Frederick, Frederick,MD, USA   USA
1969 MG MGC GT
1974 MG MGB
Can the canister be removed? I want to check and see if there is a screen in it, is it a screw on fixture?

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PETE W Sussex Peter H
Ansty, West Sussex, UK   GBR
Yep, it is part of one of the cam follower/engine side covers.

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kirks-auto Platinum Member Robert Kirk
Davenport, IA, USA   USA
The fact it tastes sweet and is green makes it most likely antifreeze. Animals are attacked to it because it's sweet and lethal. I too suspect a heater core issue.



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Robert Kirk

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