Can someone identify the part I need replaced? (2.5TD Coolant system)

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ever after.
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Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by ever after. » Fri Mar 30, 2018 5:56 pm

Well, what started as a small job just turned into a big job :roll:

The metal broke on this T shaped connector when I tried to remove the hose,
I'm guessing it was corroded or something and that was what was causing the leak rather than the pipe itself.

Looks like the whole thing needs to be replaced now , whatever it is #-o

ImageIMG_1867 by Sodium Streets, on Flickr
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by Northern Bongolow » Fri Mar 30, 2018 9:14 pm

thermostat housing, it contains the thermostat for the cooling system.
15-176b on this drawing. if you click on the number given it will highlight the part number on the left side of the drawing. or ring bongospares.

its just the top half you need, but i would get a second hand complete one as the bolts can snap when splitting in half to remove the stat.

you will also need a new gasket to engine, see drawing, and you may as well fit a new thermostat, gen mazda are best, not copy parts.

all available from ian at the fury shop or mazda dealerships can order for you.

http://lushprojects.com/bongopartsmk2/c ... mgno=.html.

make sure the fitter is aware that the system will need to bled CORRECTLY after this has been done.
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by ever after. » Fri Mar 30, 2018 11:11 pm

Thanks Northern Bongolow :)

We have since removed it and in the process we figured out what it was :lol:

ImageIMG_1870 by Sodium Streets, on Flickr

ImageIMG_1872 by Sodium Streets, on Flickr

ImageIMG_1873 by Sodium Streets, on Flickr

My brother reckons the metal pipe could be brazed back on but id rather fit a new one considering how fiddly it was to take off.
I'll want replacement pipes for the two small pipes off the thermostat housing.

Can I replace the metal clips for regular jubilee clips? They seem a bit stronger to me

I had a look at that parts list Northern Bongolow provided and I'm still unsure of which part number I need :?

The thermostat housing that I took off had 752007 printed on it if thats any help
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by wonkanoby » Sat Mar 31, 2018 8:44 am

i would not,the mazda clips can move as things warm up and are better
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by ever after. » Sat Mar 31, 2018 9:08 am

I'll order that standard clips so, they weren't in any danger of falling off anyway :shock:
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by knpenny » Sun Apr 01, 2018 7:44 pm

if it helps those clips are the same on vauxhalls too
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by ever after. » Sun Apr 01, 2018 10:17 pm

Thanks knpenny, I've decided I'm going to support the shop on here so I'll order new ones

Shopping list so far....

New thermostat,
Thermostat housing and gasket,
Both small hoses and 2 pairs of matching clips

Where I'm stuck now is on the thermostat housing part number, its got 752007 printed on it but I can't find anything that looks similar online.

Hopefully Ian will recognise it [-o<
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by Ian » Mon Apr 02, 2018 11:34 am

Here we go. Deduct 12.5% from these prices if you are a paid-up Bongo Fury member. Price includes VAT & UK postage but you will need to add a supplement for shipment to Ireland.

1) Genuine Mazda thermostat (Drawing Number 15-176B, Mazda # KL0115171) IN STOCK £35.50
2) Thermostat Housing (15-176B/ # WL01151H0A) NOT IN STOCK but can be obtained from Japan (2 weeks delivery time). Estimated cost £90. A used version in working order is available from Bongospares at http://www.bongospares.co.uk/shop/engin ... t-housing/
3) Thermostat housing to waterpump inlet gasket (15-165/ # WL0115165) NOT IN STOCK but can be obtained from Japan (2 weeks delivery time). Estimated cost £10. You may be able to get a used version from Bongospares.
4) Thermostat by-pass hose (15-261/ # WL0115261A) IN STOCK £38.00
5) Thermostat to rear heater hose (61-214/ # S09G61214) IN STOCK £15.50
6) Genuine Mazda hose clamps ( 2 x 99283-2500P & 2 x 99286-2200A) IN STOCK @ £20.40 for the set of 4.

If you want to go ahead with an order through the club shop you are best doing it by email to [email protected] as we can sort out supplement/discounts etc.
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by ever after. » Mon Apr 02, 2018 7:52 pm

Thanks Ian, I'll order the new thermostat housing and everything else on the list.
I just registered as a member too so I'll take that discount thank you very much :mrgreen:
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by ever after. » Sun Jul 12, 2020 12:05 am

I've no idea where this is coming from :?


IMG_20200710_203108.jpg
IMG_20200710_203129.jpg
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by Northern Bongolow » Sun Jul 12, 2020 11:03 pm

Taste it, sounds weird but it will help.
Looks brown like coolant from the pics, but could be oil.
If it's coolant could be water pump leaking and being lifted by the spinning of the fan belts or airflow, are you loosing coolant ?.
Or could be oil from the camshaft seal or crank seal on crankshaft both again picked up on the airflow or belts.
If you look forward of the leak pictured you will see a gap behind the timing belt cover,engine oil leaks behind this cover may contaminate the timing belt and lead to a belt failure.
Leaking front coolant pipe or rad being blown back to the engine bay also maybe worth checking.
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by ever after. » Sun Jul 12, 2020 11:46 pm

I think you might be on the right track Northern Bongolow.

When I touched it you could see that the colour of it was orange on your skin so I'm pretty sure it's coolant on top of an old layer of oil.

I had to top up the coolant in the reservoir on two different days during the last 2 weeks which would be unusual.
I topped up the day after it was drove each day as the alarm went off indicating low coolant, only a small amount of coolant was needed either day so I don't think it needs to be bled.

Anyway, I found this when I investigated further.
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by ever after. » Tue Jul 14, 2020 1:15 am

Northern Bongolow wrote: Sun Jul 12, 2020 11:03 pm Taste it, sounds weird but it will help.
Well that was interesting :shock:

Ehm.. :-k

Full-bodied,
Toasted oil aroma,
Bitter, very bitter :lol:
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by Northern Bongolow » Tue Jul 14, 2020 1:08 pm

It maybe an acquired taste🤪🚑🚑🚑
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Re: Can someone identify the part I need replaced? (2.5TD Coolant system)

Post by ever after. » Mon Jul 27, 2020 9:45 pm

Looking like it was this tiny little hose, there was a vacuum in it

From the top...
IMG_20200727_214107.jpg
From below...
IMG_20200727_214144.jpg
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