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Thread: cooling fan not working mazda 5 2.0 2006

  1. #1
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    cooling fan not working mazda 5 2.0 2006

    hi people another post with the same car.
    so went out for the day down the m62 and car went into limp mode no power no dash signals so pulled over on hard shoulder. the cars bonnet was red hot strange because it wasn't a hot day so popped it.
    left car half hour to cool and it started so continued my journey. it happened 2 times on way back waited half hour each time.*
    someone came to house and scanned it came up with ETC so I've replaced coolant temperature sensor and thermostat but its still the same. the radiator fan doesn't kick in only when the air con is on. do think it could be the fan control unit? I've ordered one anyways but second hand because there really pricey to say its a 2006 Mazda. also ordered bluetooth scanner to see what temps go too.
    Also when air con is running car seems fine.*
    if anyone has or had same problem and sorted it I'd be greatfull for help cheers

  2. #2
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    2010 Mazda 5 Sport

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    https://www.mazdas247.com/forum/show...odule-question

    Similar wonky Fan issue. Sounds like a control module or a sensor to the module.

    Keep us posted.

  3. #3
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    Quote Originally Posted by negusm View Post
    https://www.mazdas247.com/forum/show...odule-question

    Similar wonky Fan issue. Sounds like a control module or a sensor to the module.

    Keep us posted.
    thanks ill have a read and update.

  4. #4
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    I've changed fan and unit over and its still not working. am at a loss. only had the car 2 week. theres white smoke coming out the exhaust too and its been like that since getting it but just thought it was a service it needed. exhaust is dripping liquid so put my finger in it and it smells like coolant do you think this is the reason its braking down.

  5. #5
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    2010 Mazda 5 Sport

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    Sounds like a blown head gasket. Exhaust getting into the coolant which overheats it. Prior owner screwed you.

  6. #6
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    Quote Originally Posted by negusm View Post
    Sounds like a blown head gasket. Exhaust getting into the coolant which overheats it. Prior owner screwed you.
    coolant not getting low tho so cant understand it.

  7. #7
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    as for my original problem I've taken the fan relay out and connected a wire from one prong to the other and fan kicks in. im just waiting on a new relay to see if the other is not working. ill keep you all posted

  8. #8
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    2010 Mazda 5 Sport

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    Doesn't have to be too much. It just takes a crack.

  9. #9
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    Quote Originally Posted by negusm View Post
    Doesn't have to be too much. It just takes a crack.
    don't say that lol. I've been looking around and it says that glow plugs can cause smoke also glow relay. if it is coolant wouldn't it smoke all the time?

  10. #10
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    2010 Mazda 5 Sport

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    Glow Plug? This is a diesel? Didn't know they made such a thing?

    White smoke is a head gasket/cracked head/cracked block. Steam. Big problem.

    Blue/Dark smoke is burning oil/worn engine. Smoke. Not an immediate problem.

    If your exhaust was dripping stuff that smells like coolant...I don't see how you don't have at least a head gasket issue.

    I mean, I have my fingers crossed for you...but I'm not hopeful.

    I have seen cars, with a bad head gasket, that when cold not smoke but when hot get worse.

  11. #11
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    Quote Originally Posted by negusm View Post
    Glow Plug? This is a diesel? Didn't know they made such a thing?

    White smoke is a head gasket/cracked head/cracked block. Steam. Big problem.

    Blue/Dark smoke is burning oil/worn engine. Smoke. Not an immediate problem.

    If your exhaust was dripping stuff that smells like coolant...I don't see how you don't have at least a head gasket issue.

    I mean, I have my fingers crossed for you...but I'm not hopeful.

    I have seen cars, with a bad head gasket, that when cold not smoke but when hot get worse.
    yes mate this is my engine has 4 plugs
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