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Ford AU2 Radiator collant loss 

 

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 Post subject: Ford AU2 Radiator collant loss
Posted: Sat Nov 17, 2018 9:58 pm 
Getting Side Ways
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Age: 60

Posts: 1111

Joined: 13th Sep 2010

Ride: Ford Falcon AU 2000 Series II

Location: Eagleby
QLD, Australia

Hi,

I have been noticing the odd coolant drop under the vehicle and noticed I have lost a small amount of radiator coolant from the header tank. There has been a few hot days , not sure what was happening so took the underneath splash guard off and noticed bottom radiator hose had some coolant remnants.

I could not see any leaks from the radiator itself or from the radiator hose when doing the squeeze test.

Would the bottom radiator hose be the culprit, it seems to occur over couple of days, not sure if it losses coolant every day as such.

Photo Attached.

Peter

 

 

Attachments:
Another view (Copy).JPG
Another view (Copy).JPG [ 353.58 KiB | Viewed 27 times ]
Radiator Hose (Copy).JPG
Radiator Hose (Copy).JPG [ 353.78 KiB | Viewed 16 times ]
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 Post subject: Re: Ford AU2 Radiator collant loss
Posted: Sun Nov 18, 2018 8:13 pm 
Getting Side Ways
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Age: 66

Posts: 3571

Joined: 11th Jan 2009

Location: Smithfield
NSW, Australia

Au and BA Falcons have issues with the overflow bottle cracking on the seams.
I would also be looking at the lower hose that runs from the radiator to the overflow tank, it can develop a soft spot?

https://www.ebay.com.au/itm/Gates-Radia ... rk:21:pf:0
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 Post subject: Re: Ford AU2 Radiator collant loss
Posted: Mon Nov 19, 2018 12:13 am 
Getting Side Ways
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Age: 60

Posts: 1111

Joined: 13th Sep 2010

Ride: Ford Falcon AU 2000 Series II

Location: Eagleby
QLD, Australia

Hello Papa Smurf,

My header tank is in good condition. I'll be having another look at the lower hose you suggested that runs from the radiator to the header tank.
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 Post subject: Re: Ford AU2 Radiator collant loss
Posted: Mon Nov 19, 2018 8:07 pm 
Fordmods Junkie
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Posts: 3071

Joined: 22nd Jan 2009

Ride: '91 EB Wagoon

Location: Geeelong
VIC, Australia

i would also check the radiater side tanks as i have had one leak because of the sealing leaking - where the metal tabs fold over the plastic side tanks, it had leaked down similar to yours.
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 Post subject: Re: Ford AU2 Radiator collant loss
Posted: Tue Nov 20, 2018 7:51 am 
Getting Side Ways
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Age: 60

Posts: 1111

Joined: 13th Sep 2010

Ride: Ford Falcon AU 2000 Series II

Location: Eagleby
QLD, Australia

G'day Mad2

I'll have to remove the thermofans to have a proper look, I could not see any leak from the sides as such when I had the splashguard removed. Only replaced the radiator about 2.5 years ago, had done a lot of miles since then.

I drove for about 45 minutes yesterday, turned motor off, popped bonnet open, then heard a slight noise somewhere near or in the radiator area, noise lasted for about maybe 10 seconds then stopped. Could have been coolant or air leak but no sign of any coolant on the ground.

I'll have a more thorough check on Thursday.
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 Post subject: Re: Ford AU2 Radiator collant loss
Posted: Tue Nov 20, 2018 9:19 pm 
Fordmods Junkie
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Posts: 3071

Joined: 22nd Jan 2009

Ride: '91 EB Wagoon

Location: Geeelong
VIC, Australia

for the other half's car i had to pull the fans out as it was hard to see where it was leaking from otherwise. all i had with em in was coolant sitting in the bottom rad support!. hopefully it's not major.
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