960 dies when using ac
#1
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#6
RE: 960 dies when using ac
The A/C cutting out when climbing a hill or taking over is probably normal; it is probably cut when the gas pedal is floored due to a part of kick down function. This is a feature on the 850s but not sure on the 960s.
Tech is off for a bit, so I can only suggest that the idle boost control is not functioning when the A/C is turned on. The idle speed has to compensate for the compressor load and if there is a malfunction in the control system, the engine dies. I am not sure if this is the case on the 960s but this is the cause in general.
JPN
Tech is off for a bit, so I can only suggest that the idle boost control is not functioning when the A/C is turned on. The idle speed has to compensate for the compressor load and if there is a malfunction in the control system, the engine dies. I am not sure if this is the case on the 960s but this is the cause in general.
JPN
#7
RE: 960 dies when using ac
Try doing this to see if the idle motor is working.
I never really tried this on the 960 but I know it works on all the 4 cylinders.
Start the car and let the idle settle down. Put the car in reverse and see where the idle goes to. It should drop for a second then go back to the normal idle speed.
Then switch back to park. The idle should raise for a second the drop back ot normal idle speed.
I never really tried this on the 960 but I know it works on all the 4 cylinders.
Start the car and let the idle settle down. Put the car in reverse and see where the idle goes to. It should drop for a second then go back to the normal idle speed.
Then switch back to park. The idle should raise for a second the drop back ot normal idle speed.
#8
RE: 960 dies when using ac
Thanks for all the info guy's it has helped a lot I have just got back from a 3hr drive across Melbourne it died once on a freeway and once pulling away from lights it's 37deg celsius(96.6 fahrenheit) here today. I have had Volvo's since 1979 and have never had any troubles until this one . But the 960 is still the best one I have had, even better than the 1982 245 (estate) which I got brand new. I think its off to the volvo repair shop this week with the info I have from you guy's we should be able to sort it out. I'll tell you the outcome if and when I get it.
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