When does a Jaguar aircon start to get cold?
Now it’s only starting to get cold after a good blast down an A road. Gets very cold then, otherwise isn’t cold for ages.
Why does my Jaguar A / C not work?
The problem: These vehicles have been found to exhibit poor air conditioning performance thanks to a worn-out air conditioner compressor direct pressure sensing valve. When this valve is bad, it results in misregulated refrigerant pressure, affecting air conditioning performance.
Why does my Jaguar XF not have aircon?
I had a problem with the AC on my old XF when the car was 7 years old. Took it to Kwik-Fit for a regas. But didn’t need it (turned out to be a failed DPS valve). They extracted 700g of gas . . . exactly what the stated charge should be! Yup, if the aircon system needs gas then it must have a leak. The leak needs to be fixed before re-gassing.
What to do when your Jaguar says restricted performance?
First and foremost, always use an OBD scanner to run diagnostics when you get the Restricted Performance message. If you’re a “do-it-yourselfer” but don’t own a scanner, you can go to any local auto parts supply store and use theirs. If you prefer to take the car into a Jaguar specialized mechanic, they have a diagnostic scanner.
Now it’s only starting to get cold after a good blast down an A road. Gets very cold then, otherwise isn’t cold for ages.
What kind of aircon system does a Jaguar XJ have?
The following refers to aircon systems fitted to Jaguar XJS, XJ Series 1,2,3 and will have some relevance to later cars. See also our R134a conversion mythbuster.
The problem: These vehicles have been found to exhibit poor air conditioning performance thanks to a worn-out air conditioner compressor direct pressure sensing valve. When this valve is bad, it results in misregulated refrigerant pressure, affecting air conditioning performance.
How does air con work in a Jaguar Mark 2?
The Mark 2 used a motor-driven rotary controller which operated the air blend flaps directly with levers, and the various other flaps and valves by vacuum. It senses the difference between the temperature of the cabin and that which the control knob is set to, and varies the proportion of hot to cold air accordingly.
What causes a Jaguar climate control to fail?
When the Heater Valve becomes faulty, it begins to draw too much current, which causes the Climate Control Module to become damaged (i.e. failure due to over-current condition). 4. Harness/wiring problems between the Heater Valve and Climate Control Module. 5. Failure at one or more air mixing/blending flaps. 6. Or a combination of the above cases.
Why is my Jaguar A / C not blowing hot air?
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I had a problem with the AC on my old XF when the car was 7 years old. Took it to Kwik-Fit for a regas. But didn’t need it (turned out to be a failed DPS valve). They extracted 700g of gas . . . exactly what the stated charge should be! Yup, if the aircon system needs gas then it must have a leak. The leak needs to be fixed before re-gassing.