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Forums › The Car › 206 Problems › Loud engine knocking/rattle


 
 

Loud engine knocking/rattle
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Dan206
PostPosted: Fri Dec 17, 2010 6:40 pm Up
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Can anybody help? I have quite a loud rattley knocking noise coming from the engine of my 1.4 hdi, its mainly when its idleing it sounds like something is knocking together. Gets really annoying and is quite embarrasing. Its ok pulling away and when driving however you can hear it again when slowing down. Does anybody have any ideas? Thanks
 
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Rob2859
PostPosted: Fri Dec 17, 2010 7:52 pm Up
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ether its tappets which is a quick fix or something serious. hows your oil level been recently?
 
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johnk
PostPosted: Fri Dec 17, 2010 8:40 pm Up
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crank pulley or dodgy injector?
 

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Twidly
PostPosted: Sat Dec 18, 2010 3:45 am Up
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Mine did that... Turns out it was the crank pulley. £108 new from Pug... Not too bad.
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eddrj
PostPosted: Sat Dec 18, 2010 4:08 am Up
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yeah sounds like crankshaft {bottom} pulley i thought was just common fault to go on 2.0 hdi's might be 1.4 hdi's too , does sounds like thats what is
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chris001
PostPosted: Tue Dec 21, 2010 3:50 pm Up
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I have exactly the same problem on a 2000 1.6 petrol glx. Is there a how to guide on this anywhere (couldn't find one on here) or is this rediculously easy?

Also is it safe to drive or am I going to ruin the engine?

Chris
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mjsroofing
PostPosted: Tue Dec 21, 2010 4:00 pm Up
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would this also cause the engine to shudder when pulling off in first.
Mark
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02 transit 100 280 196k
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panason1c
PostPosted: Tue Dec 21, 2010 4:02 pm Up
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Defo the crank pulley, had to renew mine recently, £55 off ebay, fitting is a very easy diy.
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panason1c
PostPosted: Tue Dec 21, 2010 4:06 pm Up
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mjsroofing wrote:
would this also cause the engine to shudder when pulling off in first.

No, the pulley rattles when its u/s but it doesnt affect engine performance in any way.

1.4 hdi, 206, Year..2003, 100,000 miles

Mercedes, ML270CDI, 2002, 200,000 miles

BMW K1200RS
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mjsroofing
PostPosted: Tue Dec 21, 2010 4:11 pm Up
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panason1c wrote:
mjsroofing wrote:
would this also cause the engine to shudder when pulling off in first.

No, the pulley rattles when its u/s but it doesnt affect engine performance in any way.

ok thanks mate, i dont know why it does it, it only shudders as you pull of as though you havnt got enough revs but it dont matter how much revs you give it, never mind i'll sort it after xmas now.

Mark
03 206 1.4 hdi 3 door 187k
02 transit 100 280 196k
04 renault Laguna 80k
09 transit 115 300 43k.
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Addaz
PostPosted: Tue Dec 21, 2010 4:13 pm Up
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chris001 wrote:
I have exactly the same problem on a 2000 1.6 petrol glx. Is there a how to guide on this anywhere (couldn't find one on here) or is this rediculously easy?

Also is it safe to drive or am I going to ruin the engine?

No, as on HDI's the bottom pulley can debond and rattle

Compared to TU engines which have a static pulley, yours has another problem unfortuantly

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chris001
PostPosted: Wed Dec 22, 2010 2:11 am Up
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Ah thats not good. Any ideas what it could be. Sounds like it could be coming from the CAT or exhaust manifold.
Chris
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panason1c
PostPosted: Wed Dec 22, 2010 2:42 am Up
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chris001 wrote:
Ah thats not good. Any ideas what it could be. Sounds like it could be coming from the CAT or exhaust manifold.

It's a fairly common occurance for the cat to break up and cause a rattle as it is quite a fragile/brittle construction and easily damage if the exhaust receives a sharp knock.............could well be the problem in your case.

1.4 hdi, 206, Year..2003, 100,000 miles

Mercedes, ML270CDI, 2002, 200,000 miles

BMW K1200RS
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robertmarcs
PostPosted: Wed Dec 22, 2010 3:13 am Up
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u checked the engine mountings?
 
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Antknee
PostPosted: Wed Dec 22, 2010 4:52 am Up
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check the air intake at the back of the engine, mine came out and was rattling away
 
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