Engine Temperature sender

Technical questions and answers about the Mazda Bongo

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chasleton
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Engine Temperature sender

Post by chasleton » Tue Aug 23, 2011 8:46 pm

Just replaced the head on the bongo I need a new temperature sender to get the fans going where is the best/ quick place to get one from.

Nick
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missfixit70
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Re: Engine Temperature sender

Post by missfixit70 » Tue Aug 23, 2011 8:54 pm

you want the 2 pin sender/fan switch (mounted above the starter) - http://www.mazdabongo.com/display.products.php?pId=545
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chasleton
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Re: Engine Temperature sender

Post by chasleton » Tue Aug 23, 2011 9:07 pm

Reliable as ever Kirsty . :D see you soon

Nick
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Re: Engine Temperature sender

Post by missfixit70 » Wed Aug 24, 2011 1:08 am

No worries :D , make sure you know how to bleed it ok if you're doing it yourself. New (genuine) thermostat would be a good idea too if it's not been replaced already, AVA stock them too, be worth checking they're genuine, if not, the club shop sell em.
Hope you guys are doing ok other than the head going.
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chasleton
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Re: Engine Temperature sender

Post by chasleton » Wed Aug 24, 2011 4:49 pm

missfixit70 wrote:No worries :D , make sure you know how to bleed it ok if you're doing it yourself. New (genuine) thermostat would be a good idea too if it's not been replaced already, AVA stock them too, be worth checking they're genuine, if not, the club shop sell em.
Hope you guys are doing ok other than the head going.
Replaced, water pump.thermostat. Cylinder head. Feeling slightly light head at the cost of everything. But the bores on the engine at 200.000km look like new :D which was nice.
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missfixit70
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Re: Engine Temperature sender

Post by missfixit70 » Wed Aug 24, 2011 5:07 pm

Was rad ok? May well need replacing if it's not been done recently, I know it's more expense, but if it's silted up, it won't be cooling properly.
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chasleton
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Re: Engine Temperature sender

Post by chasleton » Fri Aug 26, 2011 10:03 am

Hi Kirsty thanks for the heads up on temperature sender. Quick question. I was always led to believe the sender should alway be a grey colour. AVA have sent a green one. Typicaly they are not answering the phone. Am i safe to take my greens :D .

Regards Nick

Ps desperate to get down to North devon for some hang gliding
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Re: Engine Temperature sender

Post by teenmal » Fri Aug 26, 2011 10:49 am

chasleton wrote:Hi Kirsty thanks for the heads up on temperature sender. Quick question. I was always led to believe the sender should alway be a grey colour. AVA have sent a green one. Typicaly they are not answering the phone. Am i safe to take my greens :D .

Regards Nick

Ps desperate to get down to North devon for some hang gliding
Hi Nick,

Did you ask for a Mazda sender unit,how much did they charge you.If the unit is green it will probably be a Intermotor or Denso costing about £10/15.

Cheers.
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chasleton
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Re: Engine Temperature sender

Post by chasleton » Fri Aug 26, 2011 11:19 am

Okay. Andy of AVA very kindly rang me back. Even tho he is off today to say he has a green one in his bongo. £10/15 I wish £37 mate and I paid next day postage on top. there is some serious Hang gliding to be done this weekend :)

Regards Nick
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Re: Engine Temperature sender

Post by Northern Bongolow » Fri Aug 26, 2011 12:07 pm

this fan switch is a very important part of the system, it controls the fans switching point,low and high speed, the temp sending info via the ecu for the glow plugs, and the cold start solenoids.
in my opinion this is too important a part to be trusted to a copy part, especially when the original mazdapart is the same money.
but its your new head.im not sying this copy is no good, but why take the chance.
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Re: Engine Temperature sender

Post by mikexgough » Fri Aug 26, 2011 12:59 pm

The Mazda one is a Denso 179700 0220, bagged and labelled up as Mazda O.E... now in... Green... :wink: But also used on RX8 & Mazzy 2 & 3 models.... plus Jags.... Maybe a group buy is worth looking at....?
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Re: Engine Temperature sender

Post by teenmal » Fri Aug 26, 2011 1:10 pm

mikexgough wrote:The Mazda one is a Denso 179700 0220, bagged and labelled up as Mazda O.E... now in... Green... :wink: But also used on RX8 & Mazzy 2 & 3 models.... plus Jags.... Maybe a group buy is worth looking at....?
Good idea,they are on here for £9.00 each,you would get them a bit cheaper for a bulk buy.


http://www.auto-essentials.co.uk/ecomm/ ... -2782.html
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missfixit70
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Re: Engine Temperature sender

Post by missfixit70 » Fri Aug 26, 2011 2:14 pm

From the manual if you test it in a pan of water-
at 20 degrees c the resistance across the terminals should be 2.3 -2.6 kilo ohms
at 80 degrees c the resistance across the terminals should be 0.29 - 0.34 kilo ohms
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