Guess the mileage

Technical questions and answers about the Mazda Bongo

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Rooflifter
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Guess the mileage

Post by Rooflifter » Mon May 31, 2021 9:48 pm

When I bought my Bongo a few years ago the garage assured me they had carried out a full service including changing the cambelt. Today I removed the cambelt...
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Bob
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Re: Guess the mileage

Post by Bob » Mon May 31, 2021 11:26 pm

Thing is, what's a 'few years'?
Rooflifter
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Re: Guess the mileage

Post by Rooflifter » Tue Jun 01, 2021 12:24 am

Bought April 2014. Headgasket blew June 2017 and it hasn't moved since then. We'd covered about 30k miles in that time. I'm trying to get it back on the road now so I'm finally tackling the engine to see if it's worth fitting a new head or if this van is too far gone to bother now. The block looks pretty clean luckily but even if the engine is ok the body still needs a lot of welding. I'd say the head was cracked when we bought it though and has been patched up with sealant of some kind.
oibaf
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Re: Guess the mileage

Post by oibaf » Tue Jun 01, 2021 11:20 am

Wow!

Do you need to go and renew the water pump as part of a cam belt change as well? Or does the water pump run separately?
nth
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Re: Guess the mileage

Post by nth » Tue Jun 01, 2021 1:11 pm

oibaf wrote: Tue Jun 01, 2021 11:20 am Wow!

Do you need to go and renew the water pump as part of a cam belt change as well? Or does the water pump run separately?
On the diesel models the water pump doesn’t run off the timing belt. Not sure about the petrol models?
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g8dhe
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Re: Guess the mileage

Post by g8dhe » Tue Jun 01, 2021 1:47 pm

Same for the V6 petrol model its driven with the other belts, not sure about the 2l. ....... yes 2l is driven from the timing belt so the only one.
Last edited by g8dhe on Tue Jun 01, 2021 2:11 pm, edited 1 time in total.
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Bob
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Re: Guess the mileage

Post by Bob » Tue Jun 01, 2021 1:51 pm

Probably worth doing when the front of the engine is in bits anyhow. :wink:
Rooflifter
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Re: Guess the mileage

Post by Rooflifter » Tue Jun 01, 2021 2:16 pm

I did the waterpump about a year before the head gasket blew. I should probably give it a once over while the engine is in bits though. All the coolant hoses, pipes, rad, thermostat etc had been replaced while I was tracking down where the water was slowly disappearing to. I guess the head gasket was weeping just enough keep losing coolant but not enough to fail.
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