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#1 graham16v

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Posted 13 February 2011 - 08:47 PM

Hi all,

i bought my 02 Focus 1.8 TDCi Estate in April/May last year. In October i noticed a metallic sound coming from the belt side of the engine.

You can only here this sound when the engine is kind of cold but not first thing in the morning, only when its been running for 10 mins or so and its not there when the engine is warm. Also its only there when the engine is idle, if you rev the sound disappears.

I done a bit of research and the consensus was a worn Aux belt tension. So i bought the tensioner and a new belt, fitted it all up but it did not cure the sound.

Now i'm thinking cam belt and tensioner, it hasn't been changed on the car from what i can see in the history and the car is now on 68k so its time for a new one anyway.

Is there any other belt running bearings that can be bought and replaced on the engine? I did notice an idler on the tension belt but couldn't find it listed any where (haven't tried Ford).

Any info much appreciated.

Thanks

Graham

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#2 artscot79

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Posted 13 February 2011 - 10:17 PM

Hi all,

i bought my 02 Focus 1.8 TDCi Estate in April/May last year. In October i noticed a metallic sound coming from the belt side of the engine.

You can only here this sound when the engine is kind of cold but not first thing in the morning, only when its been running for 10 mins or so and its not there when the engine is warm. Also its only there when the engine is idle, if you rev the sound disappears.

I done a bit of research and the consensus was a worn Aux belt tension. So i bought the tensioner and a new belt, fitted it all up but it did not cure the sound.

Now i'm thinking cam belt and tensioner, it hasn't been changed on the car from what i can see in the history and the car is now on 68k so its time for a new one anyway.

Is there any other belt running bearings that can be bought and replaced on the engine? I did notice an idler on the tension belt but couldn't find it listed any where (haven't tried Ford).

Any info much appreciated.

Thanks

Graham

could even be the pump have ford do the belt and tensioner and mention the noise they will check it all over while its apart

#3 graham16v

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Posted 14 February 2011 - 10:21 AM

No Ford dealers will be involved in the cam belt and tensioner change. I'll be doing it by myself.

Thanks for your reply.

#4 paramaniac

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Posted 14 February 2011 - 12:07 PM

Hi Graham,

It will be interesting to see if you manage to solve this issue. I have a 2009 Focus 1.8 petrol and have a noise that sounds similar to yours. A kind of metallic rattling when cold which disappears after a couple of minutes when the engine is warm, or if you rev the engine.

I noticed this morning that when I turned off the buttons for the heated windscreen & rear window, this made the noise go away, turned them on again and the noise started again. Have you tried this?

In my case surely it can't be the cam belt, it's only done 12,000 miles!

Alex.

#5 graham16v

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Posted 14 February 2011 - 12:15 PM

Hi Graham,

It will be interesting to see if you manage to solve this issue. I have a 2009 Focus 1.8 petrol and have a noise that sounds similar to yours. A kind of metallic rattling when cold which disappears after a couple of minutes when the engine is warm, or if you rev the engine.

I noticed this morning that when I turned off the buttons for the heated windscreen & rear window, this made the noise go away, turned them on again and the noise started again. Have you tried this?

In my case surely it can't be the cam belt, it's only done 12,000 miles!

Alex.



Hi Alex,

I haven't noticed the sound appearing or disappearing when using the heated rear screen but i'll be sure to keep an ear out for it.

#6 artscot79

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Posted 14 February 2011 - 01:24 PM

Hi Alex,

I haven't noticed the sound appearing or disappearing when using the heated rear screen but i'll be sure to keep an ear out for it.


all i can say is unless ford do the change the tensioner and the belt are not gauranteed so if they snap or fail youre left with the bill im assuming youve done it before and have the proper locking tools ford also fit new bolts to the pulleys and stuff dont reuse the originals you only have the power steering pump which is unlikely or the water pump or alternator bearings both can be checked for play other than that look for any obvious metal pipoes etc that could be rattling off the engine underneath theres a heatshield around the steering column underneath these can get a bit loose and rattle

#7 graham16v

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Posted 14 February 2011 - 05:13 PM

The cam belt is one of the easiest to do on these engines. The belt only goes round the cam, tensioner and fuel pump.

I've always done my own maintenance and I'm not going to give up my right arm for Ford to do my belt, lol.

Thanks the info on the heatshield I will check that out.

#8 taffg

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Posted 14 February 2011 - 08:25 PM

The cam belt is one of the easiest to do on these engines. The belt only goes round the cam, tensioner and fuel pump.

I've always done my own maintenance and I'm not going to give up my right arm for Ford to do my belt, lol.

Thanks the info on the heatshield I will check that out.


had similar noise and on investigation i found the tensioner pulley and the idler pulley both noisy when spun, (belt off obviously), under belt load they would be even worse. pop your belt back off and check the idler out.

#9 graham16v

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Posted 14 February 2011 - 09:29 PM

Hi taffg,

Yeah I mentioned the idle pulley in the original post but I couldn't find any where to actually buy it.

Did u manage to buy a new one? If so where from???

#10 starfield

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Posted 15 February 2011 - 01:55 PM

Hi Graham,

It will be interesting to see if you manage to solve this issue. I have a 2009 Focus 1.8 petrol and have a noise that sounds similar to yours. A kind of metallic rattling when cold which disappears after a couple of minutes when the engine is warm, or if you rev the engine.

I noticed this morning that when I turned off the buttons for the heated windscreen & rear window, this made the noise go away, turned them on again and the noise started again. Have you tried this?

In my case surely it can't be the cam belt, it's only done 12,000 miles!

Alex.


got a 1.8 petrol as well, specs on the left.
If you do hear a metallic sound when cold, it is the hydraulic tappets. for them to tap when cold is normal; if the tapping continues when warm, then there is a problem.

As for the sound or absence of it when the front/rear demisters are activated, there is a whine on mine (almost inaudible). I put it to the added load on the alternator

#11 paramaniac

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Posted 15 February 2011 - 02:16 PM

got a 1.8 petrol as well, specs on the left.
If you do hear a metallic sound when cold, it is the hydraulic tappets. for them to tap when cold is normal; if the tapping continues when warm, then there is a problem.

As for the sound or absence of it when the front/rear demisters are activated, there is a whine on mine (almost inaudible). I put it to the added load on the alternator


Ah I see. Yes the sound only happens for maybe a max of 30 seconds then it goes away, presumably because it's warmed up.

I also notice that the engine RPM is about 1200 when cold, but I guess that's because there's a lot of electrical draw from various components.

I saw this in another post:

The Reason the tick over speed is so high when cold is because the heater circuit for the cat (catalytic convertor) is on and heating it up.

When everything is warmed up the idle speed gradually lowers down to around 850-900 rpm.



#12 artscot79

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Posted 15 February 2011 - 03:36 PM

Ah I see. Yes the sound only happens for maybe a max of 30 seconds then it goes away, presumably because it's warmed up.

I also notice that the engine RPM is about 1200 when cold, but I guess that's because there's a lot of electrical draw from various components.

I saw this in another post:


unless ford changed it only the diesel shoulkd idle that high petrols are 700+/-30rpm

#13 paramaniac

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Posted 15 February 2011 - 04:26 PM

unless ford changed it only the diesel should idle that high petrols are 700+/-30rpm


OK so there may be an underlying problem?

Once warm, I'm getting about 700 - 800rpm. The 1200 is only when cold first thing, although coupled with the metallic sound I'm a bit worried.

#14 taffg

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Posted 15 February 2011 - 08:45 PM

Hi taffg,

Yeah I mentioned the idle pulley in the original post but I couldn't find any where to actually buy it.

Did u manage to buy a new one? If so where from???


i couldnt find an aftermarket one so had to resort to frauds which if my memory serves me was about 26 + vat!

#15 artscot79

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Posted 16 February 2011 - 07:58 PM

i couldnt find an aftermarket one so had to resort to frauds which if my memory serves me was about 26 + vat!


the dial goes up in incraments of 250 rpm so it will look as if its at 750 but with the dash trick if you were to check it its around 730 or lower ford may have upped it to 800 it should be in the handbook to be honest i wouldnt worry at 7-800rpm if it was up at 9 or more when warm then maybe theres an issue

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