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PLANT

Wet patch....Oil, water...what could be leaking?

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36 degree day

Left side Pink Valve on top of pipe is leaking coolant again as per the wet patch under left side of car!

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So ended up empty expansion tank again.

Topped up with water.....it took about a cup full.....

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On 12/26/2016 at 9:04 AM, PLANT said:

36 degree day

Left side Pink Valve on top of pipe is leaking coolant again as per the wet patch under left side of car!

This is the bleed valve for the lower hose. It should not be leaking when shut.

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So if the bleed valve is tight on and leaking is the only option to replace the hose with new bleed valve?

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So thinking of using a screwdriver to ensure it is tightly closed as fingers seemed to turn as tight as possible and residue noted on fingers.

I contacted Volvo and they sent me MMS diagram of the cooling system and it is Pipe 13. Part 30741660 They mentioned an "O ring", otherwise the whole pipe to be replaced....cost for part here is $235 inc GST!

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Took it too mechanic and said the bleeding valves wear out?

Cannot replace O ring and best to replace with Genuine hose.

Told he can get it for $175+, but he has never replaced one before????????????

You tube link to leaking valve:

 

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So $300 later for a genuine hose, coolant, a clip and labor.

I note the hose seems thinner than the original....is this normal? Fits the existing clips though.

Mechanic charged $190 inc GST for hose......so I hope it was a matching part(I saw the Volvo packaging)....but Volvo parts said it would cost $235?

Now he said the coolant would be just above Max for a day or two.......I drove to work 30kms and it's between the MIN and MAX line........that normal?

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Had the car sit for two days and did not see any leak.....back to mechanic for a rear tail light globe and popped the hood........

Under min in expansion tank......mechanic says "yeah air escaping has reduced level and he claims he said it would do that"......tops up with WATER!

300km drive coming up Friday......

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Drove in 38 degree heat 600Kms+ in round trip and saw that expansion tank was just above min when left.

Three days later took to mechanic after turning on and seeing just above MIN line.......when I got to mechanic it was above the word MIN and he said when cools down put a bit more water in to just under MAX.

Let it cool in driveway at home for 5 minutes but as soon as I loosened the cap the coolant level rose to MAX(Still too hot) so suppose its fine?

Will check later when totally cooled down......

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