fan belt

Technical questions and answers about the Mazda Bongo

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londonron

fan belt

Post by londonron » Sat Feb 23, 2008 9:44 pm

big squeeky noises when i drive offand getting worse so i have mice or fan belt issues.

tried the trap and cheese and no mice so can anyone tell me where to get a fan belt from.
Ralph

Post by Ralph » Sat Feb 23, 2008 9:59 pm

You need alternator belts and there is a air con belt too
you can get all 3 for about £16 + p&p from this place I have
used them and they are OK.
http://stores.ebay.co.uk/Automotive-Jap ... idZ2QQtZkm
londonron

Post by londonron » Sat Feb 23, 2008 10:40 pm

thanks. all ordered.
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Post by Rhod » Mon Feb 25, 2008 7:04 pm

Just check that it's the belts & not the alternator bearing. If you use a length of hose as a stethoscope & point it around the alternator area you'll be able to pinpoint the noise. My bearings are on the way out & there's a definate "chirupping" noise - must do something about it instead of just waiting for the noise to develop!!
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Post by bigdaddycain » Mon Feb 25, 2008 7:11 pm

Interesting and valid point there rhod... My belt was chirping too, i checked the bearing, and all was honky dorey...Apparently the chirping noise (in my case at least) was the air whizzing through a crack in the belt.... which was for all intents and purposes, whistling slightly :?
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Post by Rhod » Mon Feb 25, 2008 7:45 pm

Unfortunately the noise is definitely coming from the alternator, not the belts :( However the leisure battery has also died, the roofrack is about to arrive (with invoice!) & I'm debating switching all the tyres to the same size to protect the VC - so am trying to convince myself that the noise really isn't getting any worse.......
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Post by bigdaddycain » Mon Feb 25, 2008 7:54 pm

At the risk of getting shouted at for topic straying :shock: I've run with the same sized tyres for yonks on my 4wd bongo, with no probs from diff, or VC...(just replaced my cv joints.)
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Ralph

Post by Ralph » Mon Feb 25, 2008 8:34 pm

I am absolutely convince that running with the same
size tyres is kinder on the VC I can drive ours as far
as I like and sill push it with one hand that tells me
at least that nothing is binding or winding up.
When I changed ours to the same size all round
it was quieter smoother and the mpg jumped 2/3 mpg,
the under steer as all but disappeared as well, the only
reservation I have is that I have a feeling that if pushed
it very hard "more than most sane people would" it
could over steer and maybe bite if you were not aware.
Having said that I would never go back to different
size wheels.
Ralph

Post by Ralph » Mon Feb 25, 2008 8:37 pm

Does the noise disappear if you turn on the air con?
if so it's the air con belt a little squirt of wd 40 stops
ours for a few weeks.
londonron

Post by londonron » Tue Feb 26, 2008 7:48 pm

well topic straying is a great thing, so oftens leads to something you never thought of so stray away.

has anyone got time to write me an idiots guide to fan belt replacment? have my 3 belts all ready.

also back to the straying. i have big diff noise which goes when i lidt off the throttle. can someone explain the diff wheels thing to me. i know mine have diff ones and as they are not alloy i am happy to change them. what do i need to do or do i just buy them?
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Post by bigdaddycain » Tue Feb 26, 2008 7:52 pm

londonron wrote:
also back to the straying. i have big diff noise which goes when i lidt off the throttle. can someone explain the diff wheels thing to me. i know mine have diff ones and as they are not alloy i am happy to change them. what do i need to do or do i just buy them?
4wd ron? Just replace the full set of tyres with a size that matches each corner, i had 195/70/15's then 245/45/18's, then 225/45/18's.
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londonron

Post by londonron » Tue Feb 26, 2008 8:17 pm

bigdaddycain wrote:
londonron wrote:


4wd ron? Just replace the full set of tyres with a size that matches each corner, i had 195/70/15's then 245/45/18's, then 225/45/18's.

so i keep the wheels and just get new tyres put on them?
and what size do i get ?

hope that dont sound too dumb
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Post by bigdaddycain » Tue Feb 26, 2008 8:24 pm

If you have 15" wheels ron, there are a few options, (see who's doing a deal on what size at the time) 195,70/15. 205/70/15. 215/65/15. just remember the load rating, 92's on the front, 96 on the rear, or to keep it more straightforward, i class it as 96 all round so you have a complete matching set, with the option of rotating the wheels if you so desire somewhere down the line. :wink:
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londonron

Post by londonron » Wed Feb 27, 2008 12:13 am

so back to topic

how do i change the 3 belts i just got
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Post by missfixit70 » Wed Feb 27, 2008 12:22 am

Two main belts are pretty easy, just slacken back the alternator, can't remember whether it's 2 or 3 bolts, the aircon belt has a tensioner I think, but they should be covered in the factsheets in the member section.
Just remember not to tension up the belts too much, I think about 10 mm deflection on the longest run of the two alternator belts, not sure about the aircon.
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