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MK4 Fiesta - Couple of Q's - Knocking noise over bumps, heater packed in!

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Old 29-09-2008, 05:44 PM
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BlueSmoke
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Default MK4 Fiesta - Couple of Q's - Knocking noise over bumps, heater packed in!

Right,

I posted about the heater last week. There's a motor come up and I'm wondering if it is a difficult job to change? I'm competent when I DIY things usually so I just need instructions. I will buy a Haynes manual if I really have to

The other thing is a knocking when going over bumps. Is it likely to be an anti roll bar or a lower arm?!

Any info on these appreciated.
Old 29-09-2008, 06:13 PM
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Brian
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Sounds like the lower wishbone has gone i would replace it with a gen ford one as pattern ones are crap

As for the heater that sounds like its the heater control valve


Brian
Old 29-09-2008, 06:19 PM
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cozzfather
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i just had a 99 60k miler fiesta ghia that was minty mint until it started squeeking over bumps and uneven road surfaces, turned out to be the n/s front drop link that looked brand newish but squeeky, a drop of grease stopped it.
Old 29-09-2008, 06:44 PM
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Definitely a clunking noise, not a squeak matey.
Old 29-09-2008, 06:45 PM
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Originally Posted by Brian
Sounds like the lower wishbone has gone i would replace it with a gen ford one as pattern ones are crap

As for the heater that sounds like its the heater control valve


Brian
almost defo right in both counts
Old 29-09-2008, 08:02 PM
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st3v3
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check the drop links first aswell as the arb bushes, both cheap and both on my misses fiesta gave exactly the same symptoms as you hear.
ARB are a bit fiddly but you DONT need to drop the subframe to change them regardless what you hear,grab hold of the ARB and push back and forth and you will hear/feel it bump about in the bush,there are two different sizes so get the right ones,i got mine from Ford and they cost almost the same as a motorfactors,plus i got the right size.(motorfactors sold me the wrong size,then me mate at ford put me right when i spoke to him)
Droplinks piece of piss in any case.

Just to be sure im talking about the same Mk what year is the car?

The heater,is the heater blowing only cold air? if so it will be the heater control valve, again check to which one you need as there was at least 3 different ones,one had a smaller outlet and can cause the car to overheat,one was just plane faulty(made by Ford) and one works fine. dont get one from a scappy as you might just get a duff one again, you could chance ebay,basicaly you pay your money and takes your chance.

http://www.zsoc.com/forum/showthread...+control+vavle
http://www.zsoc.com/forum/showthread...+control+vavle

just a bit proof to what i was saying

Last edited by st3v3; 29-09-2008 at 08:17 PM.
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