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Mazda 3 / Re: Passenger footwell leak - Mazda 3 Tamura 2012
« Last post by Gandy2020 on March 27, 2021, 04:48:49 PM »
Bonded windscreens can be a mare to get right when replacing.

If you get them wrong they can and do leak.

Ok, Thanks Steven
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Mazda 3 / Re: Passenger footwell leak - Mazda 3 Tamura 2012
« Last post by StevenRB45 on March 27, 2021, 12:52:45 AM »
Bonded windscreens can be a mare to get right when replacing.

If you get them wrong they can and do leak.
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Mazda 3 / Re: Passenger footwell leak - Mazda 3 Tamura 2012
« Last post by Gandy2020 on March 26, 2021, 07:21:42 PM »
Thanks djkj and StevenRB45

The coolant level is stable and I haven't topped it up for a long time.

I'm not sure about the windscreen but now you mention it I remember someone saying it's not a genuine mazada windscreen so I'll dig out the paperwork and have a look. If so, could that be the culprit?
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Vehicle Electrics / Re: Very confused about what batteries I need
« Last post by qbanista on March 24, 2021, 06:18:46 PM »
Hi, I've got the same model and went through the batteries research myself.

So for the main battery (the big one closer to the front of the car) you need an EFB battery (due to i-stop) with at least the OEM specs (>36Ah), which is quite hard to find in this size. I concluded that non-EFB battery (as the Halfords one in your car) is just not suitable, even if you're planning to manually switch off the i-stop every single time. It will just go flat much more quickly and might cause some ECU errors. I went for Yuasa YBX7053 (https://www.yuasa.co.uk/ybx7053). It seems retailers stock 2 different versions, 370CCA and 450CCA, I assumed the higher spec is better. Best offer: £135 on eBay.

As for the sub one (the smaller one closer to windscreen), it doesn't have to be an EFB and the choice is much wider (>21Ah). I went for Yuasa YBX3009 (https://www.yuasa.co.uk/batteries/automotive/ybx3000-smf-batteries/ybx3009.html). Best offer: £45 on eBay.
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Mazda 3 / Re: Passenger footwell leak - Mazda 3 Tamura 2012
« Last post by StevenRB45 on March 24, 2021, 05:18:41 PM »
Do you find yourself topping the coolant up fairly regularly?

If it was as long term as it sounds and it's the heater matrix I'd expect to have noticed it going somewhere.

Has the car had a replacement windscreen at some point in it's life?
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Mazda 3 / Re: Passenger footwell leak - Mazda 3 Tamura 2012
« Last post by djkj on March 24, 2021, 02:20:06 PM »
Could possibly be a leaky heater matrix - I had a similar problem a few years ago on a different vehicle. Solution was a replacement heater matrix.

To stop it leaking I was told to put the temperature selector on cold until it was replaced. That temporarily stopped it leaking into the passenger footwell.
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Mazda 3 / Re: Passenger footwell leak - Mazda 3 Tamura 2012
« Last post by Gandy2020 on March 24, 2021, 08:00:47 AM »
Ok thanks Willpower. I did search for 'leaks' from there before posting but couldn't find what I was looking for.
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Mazda 3 / Re: Passenger footwell leak - Mazda 3 Tamura 2012
« Last post by Willpower on March 23, 2021, 10:48:12 PM »
I suggest you go back to the HOME page and use the search field from there. That searches the whole of the forum.  Try using different search words.   Good luck.
And check out those hoses.  :)
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Mazda 3 / Re: Passenger footwell leak - Mazda 3 Tamura 2012
« Last post by Gandy2020 on March 23, 2021, 06:41:28 PM »
Thanks Willpower, I appreciate that. I'll check it out and have a look at the other threads. Cheers, Andy.
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Mazda 3 / Re: Passenger footwell leak - Mazda 3 Tamura 2012
« Last post by Willpower on March 23, 2021, 04:47:47 PM »
There are several reports on this forum about water ingress to both passenger and drivers footwell area.

Regrettably although there were many suggestions as to the cause, no members ever reported a solution.  The thing being maybe something suggested might have helped, but nobody came back and said that.
This is a problem with any forum.

I would suggest that you investigate whether you are losing water from the cooling system. It might be that a heater hose is loose behind the dashboard. 
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