Fuso inadequate AC system fixed

[Michel Szulc Krzyzanowski]

The cold air runs through the heat box of which the core is always hot. This affects negatively the temp of the cool air. Explains why as of model year 2007 Mitsubishi has abandoned that design. So Cal Mitsubishi Fuso Dealer from Escondido, Ca, installed valves in the hoses of the AC system so the cold air doesn't go into the heat box but directly into the cabin. Makes a huge difference. Only thing is that when warm air is required, the valves need to be opened. They are in the front of the truck and the cab needs to be lifted up. It is a simple solution that is of low cost that any Fuso dealer should know instead of pretending nothing is the matter and it is all the customer's fault (Kearny Mesa Fuso dealer San Diego)

[kerry]

Michel;
Any chance you can post a picture of the valves that were installed so we can mimic the solution?
Did you notice a difference in the AC once the valves were installed?

[haven]

Michel,
I enjoyed reading your blog, and I was disappointed when you stopped writing. Do you post news about your travels elsewhere? Twitter? Facebook?
Chip Haven

[Michel Szulc Krzyzanowski]

I'll make some pictures of the excellent work of So Cal Fuso dealer from Escondido and will post them here.
Not right now, so hold on.
The difference these valves make is impressing: highly recommended.

Chip, many people wrote me regretting I stopped with my blog in january 2011. Strangely enough, it still has over 40 visitors per day...
Now I publish a column on www.zone-10.com every Sunday: topic is photography.

[kerry]

One thing to keep in mind with this modification is that in the original configuration the AC was blowing across the heater core, cooling the engine. It can be expected that the engine will not run quite as cool with the AC on as it did when the AC was cooling the heater core.

[bptp7270]

Hi Michel, do you say that fuso have now changed their design of the a/c. I had a 2006 and the cooling was ordinary. Just replaced it with a 2010 and the weather here has not enabled me to test the a/c as yet
Anthony

[kerry]

Anyone know the heater hose size for the FG so I can start looking for valves?

It seems odd to me that people in the US complain about the FG AC but the Aussies don't seem to have the problem. Is there something different about their setup? Do the trucks come with coolant control valves over there?

[Michel Szulc Krzyzanowski]

Hi Michel, do you say that fuso have now changed their design of the a/c. I had a 2006 and the cooling was ordinary. Just replaced it with a 2010 and the weather here has not enabled me to test the a/c as yet
Anthony

This is what has been told to me at So Cal Fuso dealer in Escondido, Ca., after they had been in touch with Fuso USA headquarters.
You may want to find out details by calling the Manager of this Fuso dealership at 760746FUSO

[Michel Szulc Krzyzanowski]

Anyone know the heater hose size for the FG so I can start looking for valves?

This morning I will take pictures of the valves and measure their dimensions.
May 4th at PT.

[kerry]

I wonder if the Aussies lack of complaints about the AC system is related to the differences in ductwork, controls and cabling in a left hand drive versus a right hand drive?