heater fan! caput

Technical questions and answers about the Mazda Bongo

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chiefster1976
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heater fan! caput

Post by chiefster1976 » Tue Mar 05, 2013 12:01 pm

Hi all...Im sure these questions have been covered,but ive tried one thing now its confusing!!!

My FRONT fan didnt work on 3 and 4 setting(Manual type system) Motor was running slow compared to the the other bongo heater motors ive had...The motor seized..I stripped it down and changed the contacts as good as new!! (thanks to all fellow bongoers for the help)
All 4 settings were working but still the motors didint seem to be as strong as previous bongos!!!!

O.k now the heater does not work all together!!! not on ANY setting!!! HELP!!!

Am i right in saying that the only thing left to try is the diodes or something??? Any diagrams or help would be great!!!
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g8dhe
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Re: heater fan! caput

Post by g8dhe » Tue Mar 05, 2013 12:06 pm

I think your referring to the air con fans rather than the radiator fans ?
In which case check the connector on the rear of the internal control unit, assuming its the manual type. Other wise check the resistor pack under the bonnet, it might have dirty contacts.
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chiefster1976
Bongolier
Posts: 338
Joined: Sat Oct 07, 2006 9:48 pm
Location: Deception Bay, North Brisbane,Australia!

Re: heater fan! caput

Post by chiefster1976 » Thu Mar 07, 2013 9:49 am

It would be awsome if you guys could post some pics of the control unit and the resistor pack,at least then ill have an idea that im looking in the right place??? Have a starting issue as in one of my other posts!! All seem to come at once hey..
Great when your trying to sell a conversion!!haha.. :roll:

Thanks in advance for your replies all!! =D> =D> =D>
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wonkanoby
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Re: heater fan! caput

Post by wonkanoby » Thu Mar 07, 2013 11:02 am

there is a nice faq in members area you can down load
Davejustice2000
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Re: heater fan! caput

Post by Davejustice2000 » Tue Mar 12, 2013 2:39 pm

did you get this sorted?...i had the same issue a couple of months ago and fixed mine myself so i can talk you through it if that helps? pretty straightforward.
chiefster1976
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Posts: 338
Joined: Sat Oct 07, 2006 9:48 pm
Location: Deception Bay, North Brisbane,Australia!

Re: heater fan! caput

Post by chiefster1976 » Sat Apr 06, 2013 7:29 am

Hi Dave!! Thanks soo much for the pictures and extensive info!!! Im pretty confident it will only be the resistor pack or a fuse as i took out the fan when it was rusted about 3 months ago (the vehicle hasnt moved since then lol) only used the fan a couple of times... A auto electrical mate at work cleaned out the fan windings as shown in your pictures and we put in a new set of contacts as they were well worn!! fan was working on each 1-4 settings but the fans speed still sounded slow compared to the previous bongos ive had!! I wonder what that may be???
Is it just a case of the windings being too old to opperate properly even when cleaned etc??
Racing green with extras!!Self build full side conversion which rocks!!!
chiefster1976
Bongolier
Posts: 338
Joined: Sat Oct 07, 2006 9:48 pm
Location: Deception Bay, North Brisbane,Australia!

Re: heater fan! caput

Post by chiefster1976 » Sat Apr 06, 2013 11:10 am

All sorted...Loose contacts in the switchy thing under the Bonnet!! Easy solder repair and back up and running...thanks to all those who posted with help!!Thanks.. =D> =D>

Heres the problems of the switch..
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