Gasa XM 2.1 "Prestige"

[Gasa]

Without the air conditioner on, it works like that, I noticed that when the engine is cold, it runs at the exact number of revolutions of 900, when the engine warms up, it increases the number of revolutions to 1000/1100

I just don't know which sensor is used for that, there are more on the engine.
..at what temperature do the radiator fans turn on?

[Dieselman]

Try reading the fault codes.
Either something is telling the Ecu to speed the engine up, or the throttle cable/potentiometer is sticking so holding the revs off idle.

I suspect the coolant temperature sensor is constantly reading a cold figure, so the Ecu stays in cold start mode.

[Gasa]

Does the air conditioner turn on by itself when it is very hot in the cabin of the car?
I noticed that when the car is in the sun and it is very warm, the air conditioner turns on by itself when I turn the engine on, this only happens when it is very hot in the cabin, as soon as the temperature in the car drops, the settings remain as they were before the engine was turned off.
What gives the signal that after starting the engine, the air conditioner immediately starts working, or maybe the air conditioner control panel is faulty and it turns on the air conditioner on its own when it's hot.

...it annoys me a bit, after starting the engine I always have to turn off the air conditioner and restore the settings as before turning off the engine.

[Dieselman]

That sounds like the A/c panel is either faulty, or losing +12v backup power, so loses the settings from when last switched off.

You should be able to read fault codes from the A/c unit.

[Gasa]

I haven't written anything in a long time, for now everything is fine and it is driven every day, the only thing is that sometimes, not always during braking, the front wheels are activated but the rear ones and the car leans forward, sometimes it brakes normally without a delay of a few seconds and does not lean the car is moving forward, everything is new, I let the air out of the system again, but nothing has changed.

Since a few days ago, I heard that the pressure corrector often turns on, I knew that a bomb had exploded on the pressure corrector, a new one arrived today and immediate replacements.

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..the pressure is appropriate.

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[Gasa]

I immediately performed an autopsy on the patient a completely expected situation, after all, it is an old sphere and the material was tired.

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[Gasa]

I am satisfied with consumption, I was on vacation and I tested how much it consumes, 7 liters per 100 km, and it was a full car with things and passengers.
I am satisfied with the consumption and how it behaves on the road, it pulls very well on mountain roads, I drove 480 km in one day on a regular road and I did not feel tired in general, I could drive it that much more.

...filled to the brim with diesel.

[Dieselman]

Did changing the ruptured regulator sphere fix the braking anomaly? Did you bleed the brakes after changing it?
Lifting of the rear under braking is normally air/gas in the rear brake system, which creates a momentary delay before the rear brakes are applied, thus the rear lifts as the front brakes are applying braking force before the rears.
The gas from the ruptured sphere would have migrated round the hydraulic circuits and not been self bleeding from the brake systems.

Personally, I wouldn't use V-Power as iirc, it has a lower calorific value and density, than regular diesel, thus increases fuel consumption.

I think you might have seen 6.3L/100km if using regular diesel.

V-power products are formulated to clean the fuel system, not provide the maximum economy, Use a shot of diesel cleaner additive at each tankful and you should have both benefits.

"Removes and protects from the build up of performance robbing deposits on key fuel system components such as intake valves and/or fuel injectors. Improved fuel economy using Shell V-Power fuels has been demonstrated in industry standard and Shell proprietary tests. Actual effects and benefits may vary according to vehicle type, vehicle age, vehicle condition and driving style. No guarantees provided."

[Gasa]

I let the air out 20 days ago and nothing has changed, sometimes it brakes well, sometimes it is late with the rear brakes, I think it might be the master brake cylinder, that it is causing the problem.

I will try it with regular diesel to see how it behaves, to clean the system a bit with this diesel with additives.

[Dieselman]

Try running some Hydrafush through the hydraulics system before performing any other work.
I doubt the doseur valve is faulty, but either it, or the front calipers may be sticking due to accumulated dirt in the system.
It may be the front brakes are being held on slightly due to the doseur valve not fully relaxing when the brakes are off.