Engine "whirring "

Technical questions and answers about the Mazda Bongo

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mayso1
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Engine "whirring "

Post by mayso1 » Sat Apr 25, 2009 5:34 pm

Hi my Bongo has started "whirring" loudly while driving, seems OK when ticking over, just when moving any ideas please ??
nfn

Re: Engine "whirring "

Post by nfn » Sat Apr 25, 2009 5:39 pm

You could try to rule out some simple common things first -- perhaps it's a belt (spray just a little WD40 on it and see if it stops for a while). Or an exhaust manifold stud broken (try doing a search on this forum to find more info on this and how to check for a sheared stud).
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mister munkey
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Re: Engine "whirring "

Post by mister munkey » Sat Apr 25, 2009 5:42 pm

Whirring or whining could well be transmission trouble too. Does the pitch change according to revs or road speed?
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mayso1
Apprentice Bongonaut
Posts: 10
Joined: Sat Apr 25, 2009 5:17 pm
Location: Plymouth

Re: Engine "whirring "

Post by mayso1 » Sat Apr 25, 2009 5:49 pm

The noise seems louder than the engine, it started yesterday after i drove a few miles without noticing the "Hold" function on, ( sure it was RED when I turned engine off) could this be a cause ?
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mister munkey
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Re: Engine "whirring "

Post by mister munkey » Sat Apr 25, 2009 5:54 pm

If its more of an amplified budgie making a very loud "chirping" noise, its a sheared manifold stud.

Not the hardest job to fix but can be fiddly if you're not spanner friendly.
The only true wisdom is in knowing you know nothing. http://www.travelblog.org/Bloggers/MisterMunkey
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