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| Andrew S |
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My air only works at low speeds up to 40kph. If the car goes up to hiway speeds the a/c stops working.
What do I check first please?
_________________ So many women - so little time |
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| cjh |
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{USERNAME} wrote: My air only works at low speeds up to 40kph. If the car goes up to hiway speeds the a/c stops working. What do I check first please? Stops working.....????....what bit??? , the cold, the fan, the vents change.....????
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| Mad2 |
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do you mean "when i put my foot down" my ac goes off???
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| Gab1 |
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I believe that the air conditioning will not work at throttle percentages over 85%, and it's designed that way to aid acceleration.
Gab |
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| Mad2 |
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{USERNAME} wrote: I believe that the air conditioning will not work at throttle percentages over 85%, and it's designed that way to aid acceleration. Gab if that "is" what they mean ... then yes that sounds right to this "L" plater..... 
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| Andrew S |
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{USERNAME} wrote: {USERNAME} wrote: My air only works at low speeds up to 40kph. If the car goes up to hiway speeds the a/c stops working. What do I check first please? Stops working.....????....what bit??? , the cold, the fan, the vents change.....???? There is air but it is not cold. I don't think the 85% applies. 100kph does not require much throttle. The a/c people suggest the evaporator is icing up and forming a solid block. Short of pulling the dash apart they suggest turning the a/c off for a while until the ice melts. Otherwise a new evaporator thermostat is required..... Does this sound reasonable?
_________________ So many women - so little time |
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| snap0964 |
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So put your Climate control in diagnostic mode and look at evaporator temp in real time to see if that's the case.
documents.php?d=9 I'm of course assuming the car is as what's in your profile.
_________________ 96 XH Longreach 'S': LPG, Alarm, 3.23:1 LSD, Cruise, Trip Comp, ABS, Power Windows, Mid Series Dome Lt, Climate Ctrl |
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| Andrew S |
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Thank you for that link, I had no idea of its existence.
Have performed all the tests and no errors were logged. Just one point...the evaporator temp reads around 16 - 17 degrees...Is this about right, and does this temperature fluctuate?
_________________ So many women - so little time |
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| snap0964 |
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Depends on what temp you've set. That's not low enough, needs to be down to around 5°c.
If the compressor is engaged continuously for your figures, you're most likely low on gas charge.
_________________ 96 XH Longreach 'S': LPG, Alarm, 3.23:1 LSD, Cruise, Trip Comp, ABS, Power Windows, Mid Series Dome Lt, Climate Ctrl |
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