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Volvo VNL air loss


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If you're down to zero in two hours, and you have decent hearing, you should be able to park in a quiet area, walk around the truck listening, and hear the worst leaks. Two hours is a pretty significant leak. If you start under the hood at the firewall by the steering shaft, you'll likely find the worst offenders.

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Same with me....if you find me you can use mine all you want....It does make life a LOT easier. BUT, it is expensive.....you have to figure out if it is worth it to you.

Not all that pricey with shop rates over $100.00/hour.......

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The Inficon worked wonders for me, The truck was to the point it was leaking down in less that two hours. Turned the sniffer on and it went nuts, could hear a leak 20 ft away anywhere around the truck that both Renee and I couldn't hear without the tool. Keep turning down the sensitivity untill the leak is located.


After fixing three large leaks and a couple small ones the truck leaks down to 60 after about 24 hours and stays there for a week or more. Leaving it at that for now, know where a small leak is under the truck but it is up over the driver side fuel tank behind a rats nest of cable runs etc. Will be a real bear to get to.


Anyone near me is welcome to use the sniffer, Vern (wrknrvr) has already used it a couple of times on his truck.



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