Front Heater Hassle

Technical questions and answers about the Mazda Bongo

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mikeWalsall
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Re: Front Heater Hassle

Post by mikeWalsall » Tue Dec 15, 2015 3:33 pm

Screen clears faster with the Air conditioning on ..

Or if digital .. press the middle button on the left .. The A/C automatically comes on .. fan speeds up and all the air flow is directed to the screen ..
JAL Mushroom roof,12/240v, fridge, cooker, sink, LPG V6 .. (written off @ £5500 Nov 2016)
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mikeonb4c
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Re: Front Heater Hassle

Post by mikeonb4c » Tue Dec 15, 2015 3:46 pm

jackasti wrote:Just back from the Bongo Master. Thermostat function checked and all OK. Heater matrix flushed through half a dozen times..both ways. Plenty of crud and corrosion in the flush. Now back to normal heat so either an air-lock in the matrix or blocked waterways. Bottom radiator hose changed at the same time as it was bulging.
Looks like a new heater matrix at some point but if this one can keep the screen clear and my hands warm it will remain a task "For Another Day"...
Excellent news, though I do think a new heater matrix may be good for engine cooling generally, as I believe the heater circuit is an essential element in how the Bongo cools its engine (though I could be wrong as its a long time since I read teh posts on that). Bulging hoses may hint also at chronic back pressure problem. If it were me, I'd fit a new heater matrix sooner rather than later.
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