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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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960 A/C weird behaviorViews : 295 Replies : 2Users Viewing This Thread : |
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Sep 20th, 2020, 16:28 | #1 |
JJ Pineda
Last Online: Sep 25th, 2020 22:03
Join Date: Sep 2020
Location: Guatemala
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960 A/C weird behavior
I have a 1997 960 with the 3.0 inline 6 engine.
My AC is working weirdly. I have used the car very little in this pandemic so it has been parked for weeks at a time. I had the AC recharged because it was lacking gas. It worked fine for a few days but now it is acting up. 1- When I switch the blower on it starts as if it is lacking power, making a hum, hum, hum noise. This hum, hum, hum starts getting faster and then it disappears and all works fine. It takes about 5 minutes to stop doing that. I checked the blower fan unit from the cowl and it has nothing obstructing the movement or the flow. 2- Today I was driving and reduced the fan speed from 3 to 1 and noticed the speed did not change. It actually was blowing at maximum speed as if it was in the 5 position. I turned it off but the fan would not shut down. It kept blowing at max speed until I switched the car completely off. I restarted the car and it worked normally. 3- When I got home I turned off the AC using the blue button and it started blinking. The Recirc red button also started blinking. It stopped when I switched the car off. Any help will be appreciated. Regards |
Sep 21st, 2020, 07:04 | #2 |
Premier Member
Last Online: Today 07:41
Join Date: May 2012
Location: Lakenheath
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First thing to do is read your handbook to ensure you know how to use the A/C correctly. Second is pull the codes from your A/C system.
https://www.volvoclub.org.uk/faq/Hea...iagnosticCodes That tells you how to pull the codes.
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Cheers Dave Next Door to Top-Gun with a Honda CR-V & S Type Jag Volvo gone but not forgotten........ |
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Sep 24th, 2020, 06:10 | #3 |
JJ Pineda
Last Online: Sep 25th, 2020 22:03
Join Date: Sep 2020
Location: Guatemala
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Thanks Dave. nice article. Will do some of those checks.
Regards |
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