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A/C works only when moving?

ST530
ST530
in Ford Fiesta Club

Featured Replies

Hello everyone I'm new to the Fiesta ST scene have only had it for about 3 weeks now. I noticed my A/C blows very cold when moving but when I'm stoped at a intersection my A/C begins to blow warm air. As soon as I start moving again the ac starts to blow very cold again does anyone have this issue ? 

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    Is the radiator fan running?

  • Quote
    6 minutes ago, TomsFocus said:

    Is the radiator fan running?

    Yep, I had this very issue last summer and it was the engine cooling / Ac fan that had gone.

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    • Like 1

    is the refrigerant low?

  • Quote
    • Author
    On 3/2/2021 at 1:35 AM, TomsFocus said:

    Is the radiator fan running?

    I will double check tomorrow, I took it on a trip this weekend and didn't have any issues with the A/C as long as I was moving. Other issue I was dealing with was a clunky shifting 1st to 2nd and sometimes 3rd.   

  • Quote
    • Author
    On 3/2/2021 at 3:32 AM, cjay1 said:

    is the refrigerant low?

    I will double check, I was thinking of recharging it this weekend.

  • Quote
    • Author
    On 3/2/2021 at 1:43 AM, Eatonm112 said:

    Yep, I had this very issue last summer and it was the engine cooling / Ac fan that had gone.

    Was it simple to replace? I am going to recharge it and if that doesn't work I'll look into what you had mentioned. 

  • Quote
    11 hours ago, ST530 said:

    Was it simple to replace? I am going to recharge it and if that doesn't work I'll look into what you had mentioned. 

    It was easy enough apart from having to disconnect the top radiator hose as I just could not slide the old fan out. The rad hose is 38mm diameter so I made a plug with my 3d printer to stop the block side draining whilst doing the job.

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    • Like 1

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