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Discussion Starter #1
Hi,

My GTV V6 has a slow coolant loss issue, I'm suspecting that there is some normal loss but just checking in to see if this normal with these engines?

It's not losing it from the radiator as that has been changed twice since I've this problem, sometimes when I get out the car I can smell (don't laugh) what I call burnt water when I walk round the front of the car. I have been all over and under the car and can't see any wet leaks.. there's a few places where I can see the pink residue of coolant around a couple of hoses but looks like very old seepage.

The loss ranges from the max line to the min and beyond over a period of a month or so.

Cheers
 

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Hi there,

I'm no specialist neither do I know this car / engine that well yet.

I notice mine looses a bit of coolant sometimes though the expansion tank cap even though it doesn't really run hot, this is visible as left over crap on the tank itself and I *think* it's because the cap is too old and does not hold the required pressure any more.

Otherwise check your radiator hoses, these cars are now getting to an age when the original hoses are starting to fail.

Also you can refer to this thread of mine https://www.alfaowner.com/Forum/alf...086770-gtv-v6-cylinder-head-coolant-leak.html
I got a small leak on some o-rings between the cylinder heads and the thermostat body that became visible after I replaced the thermostat, you can have a look in this area too.

Cheers
 

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I had a hose go................... was seriously hard to find as it was just like an aerosol mist rather than something obvious, So fine was the mist it took weeks for the expansion tank to look like it had lost coolant
 

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Discussion Starter #4
Hi there,

I'm no specialist neither do I know this car / engine that well yet.

I notice mine looses a bit of coolant sometimes though the expansion tank cap even though it doesn't really run hot, this is visible as left over crap on the tank itself and I *think* it's because the cap is too old and does not hold the required pressure any more.

Otherwise check your radiator hoses, these cars are now getting to an age when the original hoses are starting to fail.

Also you can refer to this thread of mine https://www.alfaowner.com/Forum/alf...086770-gtv-v6-cylinder-head-coolant-leak.html
I got a small leak on some o-rings between the cylinder heads and the thermostat body that became visible after I replaced the thermostat, you can have a look in this area too.

Cheers
Thanks mistamun... I suspect the cap may be passing fluid / steam so have thoroughly cleaned the surrounding area and will monitor to see if any sign of leakage occurs.. I'll take a look in more detail regarding the post and O-rings issue you had.. that sounds another plausible reason for the loss.. cheers
 

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Discussion Starter #5
I had a hose go................... was seriously hard to find as it was just like an aerosol mist rather than something obvious, So fine was the mist it took weeks for the expansion tank to look like it had lost coolant
bradpit99, was it one that connects to the thermostat? I can see residue dried pink coolant in that area but not wet..
 

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yes it was that one, Mine was so slight i had to live with it some time before i could get an idea of where it was coming from, I kept on having mist in front of headlamps reminding me i had this damn leak
 
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