Finnish Skyride Blue Jazz 1.5 Dynamic

[TnTkr]

I had Jazz's annual service done today. I asked them to service the air-conditioning as well, because after the winter the cooling felt even less effective than it normally has been. It appeared that in six and half years from the date of manufacturing the system has lost two thirds of the refridgerant. It's quite natural, but I assume it makes a difference.

[Gibo]

I had Jazz's annual service done today. I asked them to service the air-conditioning as well, because after the winter the cooling felt even less effective than it normally has been. It appeared that in six and half years from the date of manufacturing the system has lost two thirds of the refridgerant. It's quite natural, but I assume it makes a difference.

It must be some micro leak for six years or it has started recently. On my Zafira I have to refill every two years, they can't locate the leak as it is very small....

[TnTkr]

Why do you think it has to be a leak? Different refridgerant hose materials have different leakage rates, and some materials are such that it would leake much more in six years.

[Gibo]

Why do you think it has to be a leak? Different refridgerant hose materials have different leakage rates, and some materials are such that it would leake much more in six years.

On my Zafira refrigant is 134A which needs topping up maybe every 5 years, my Jazz have some newer refrigant, not sure which one.
All recent cars (last 20 years) should have hose leakege less than 2% per year which means my Zafira is probably leaking very slowly

[TnTkr]

Is that 2 % some leagal limit?

Refridgerant is R-1234yf.

[TnTkr]

Nowadays warnigs against filling the tank until filler opening can be red in many places. Based on my experience, I would say it is probably depending on the specific design of the tank breather system, and most likely the risk is exaggerated. I have had my Jazz for five years and I always fill it until the fuel surface is visible. And no problem whatsoever.

Of course I have done the same way already for decades, but Jazz is the first one with closed tank breather system.

[TnTkr]

I want to share my preferences for ventilation settings based on my experience.

Most of the time I want airflow both to the windshield and to feet. Turning the knob from the detent slightly more to clockwise as shown in the first picture is least noisy in higher fan speeds.

Turning a bit more clockwise as shown in the second picture, you can hear the sound of a microswitch, which disables the auto start-stop system. And you still get some air to feet.