chris-p-duck
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| posted on 30/9/09 at 07:42 PM |
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Tin Top Engine Rattle
Hi all!
Need a bit of advice. I have got an 02 plate Mondeo (1.8 duratec) and it has developed a rattle from the front of the engine (somewhere amongst the
serpentine belt) which only occurs at or around idle and only when warm. An ideas?
Cheers
Chris
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flak monkey
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| posted on 30/9/09 at 07:44 PM |
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Waterpump bearings or idler pulley bearings.
Both fairly common 
David
Sera
http://www.motosera.com
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chris-p-duck
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| posted on 30/9/09 at 07:47 PM |
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Water pump bearing? - I am guessing a whole new water pump yeah? pricey?
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jonesier1
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| posted on 30/9/09 at 08:13 PM |
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does it sound like a tappet/cam noise if so its the flaps in the inlet manifold.There are a set in plastic flaps that sit in the ports of inlet
manifold they used to be called imrc,inlet manifold running control and they have a bad habit of rattling loose,change the inlet manifold NOW... if
left they break up and go in the engine its game over and they will if left.We have seen loads of them and a few req engines.Bad news the manifolds
arnt cheap,you could chance a 2nd had one .oh and there is a modified crank case breather you will need ad well as the pipes are diffrent sizes.
[Edited on 30/9/09 by jonesier1]
im in my own little world...its ok though they know me there
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chris-p-duck
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| posted on 30/9/09 at 08:19 PM |
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It isnt a tappetty noise. It sounds too low down in the engine bay and is concentrated at the front of the engine. It is a metallic rattle. My
initial thought was that it was an exhaust heatshield in the lower engine bay or under the front floor. Am hopings its not the manifold. Sounds
really bad.
Chris
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rusty nuts
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| posted on 30/9/09 at 08:30 PM |
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Can you take the auxilliary belt off and run the engine for a few seconds , have had problems with the tensioners. Make sure you make note of the
routing of the belt before removing.
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maskedavenger
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| posted on 30/9/09 at 08:37 PM |
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cam belt slack slapping the cover dont drive it till youve checked it ,ive seen loads like this
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flak monkey
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| posted on 30/9/09 at 08:42 PM |
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quote:
Originally posted by maskedavenger
cam belt slack slapping the cover dont drive it till youve checked it ,ive seen loads like this
Have you really?
Thats odd as they are chain driven cams 
The hydraulic tensioners can fail but unless its done 150k plus then I should think its ok.
Sera
http://www.motosera.com
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chris-p-duck
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| posted on 30/9/09 at 09:16 PM |
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Its only done 56000 miles. Does that rule out the tensioner?
Chris
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flak monkey
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| posted on 30/9/09 at 09:22 PM |
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Have you pulled the engine cover off to have a proper listen? They are only clipped on, a good tug usually gets them off.
Likewise remove the tray underneath and put the car up on ramps and have a good look and listen with the engine running. Dont get tangled up in the
belt though whatever you do! 
Most of the common stuffs been mentioned.
Sera
http://www.motosera.com
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chris-p-duck
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| posted on 30/9/09 at 09:28 PM |
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Will do. Thanks everyone. All comments and advice gratefully recieved. Bit of investigating required I think..............
Thanks again.............
Chris
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UncleFista
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| posted on 1/10/09 at 01:44 AM |
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Have a scout around the net and see if your car has a two-piece crank pulley. They fail with a rattle...
Tony Bond / UncleFista
Love is like a snowmobile, speeding across the frozen tundra.
Which suddenly flips, pinning you underneath.
At night the ice-weasels come...
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Marcus
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| posted on 1/10/09 at 11:53 AM |
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quote:
cam belt slack slapping the cover dont drive it till youve checked it ,ive seen loads like this
I'm not sure the 2002 1.8 was a duratec...at that age it's prob a zetec with associated cam belt issues...
Eduited....2000 saw the Duratecs come in....my bad
[Edited on 1/10/09 by Marcus]
Marcus
Because kits are for girls!!
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maskedavenger
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| posted on 1/10/09 at 06:17 PM |
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lol just read it properly i asumed zetec
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