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Noisy,rattling 2.5 crd engine

  #1  
Old 02-27-2012, 02:34 PM
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Default Noisy,rattling 2.5 crd engine

Hi guys

I have had my voyager approx a month now and I am not feeling too confident with the engine. I had a few issues with a smokey engine,after an oil change that seems to have resolved itself. The exhaust back box was rattling and tickover,a new exhaust sorted that. But my engine sounds a bit noisy,with a metallic,rattling noise on tickover or when revving the engine. Could it be the manifold? I know the car had a replacement turbo recently,would they have removed the manifold to do this? Or are they just a noisy engine?
Any help would be appreciated
Thanks
John
 
  #2  
Old 02-28-2012, 05:27 AM
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Sounds like something has worked loose....a heat shield or something.

By todays standards I find the 2.5/2.8 CRD engines are a bit loud and rough at idle, although when cruising on the motorway mine seems alot smoother.
 
  #3  
Old 03-10-2012, 07:18 PM
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Originally Posted by booke23 View Post
Sounds like something has worked loose....a heat shield or something.

By todays standards I find the 2.5/2.8 CRD engines are a bit loud and rough at idle, although when cruising on the motorway mine seems alot smoother.
my voyageri the same as yours : bit loud and rough at idle, although when cruising on the motorway mine seems alot smoother.
 
  #4  
Old 03-11-2012, 04:59 PM
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I've had injector issues recently and when one of them was a bit worse than just leaking slightly, it was giving a rattle like tappets can.

Take the engine cover off and see if theres any carbon build up. May also show up as exhaust fumes or diesel fumes inside the car.
 
  #5  
Old 03-12-2012, 04:35 AM
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Thanks guys,
I have tried putting injector cleaner fluid in the tank,millers on the first tank and wynns on the second. Neither seem to have made any difference. I have also changed the oil again and tried adding a tin of Ammtech Engine Restore to the oil (this stuff worked wonders on my Vauxhall Combo Vans).
I took the car away this weekend,about 120 miles down the M4 and it drove fine and pulled well,even with 4 adults,3 children and luggage.but when I pull off from traffic lights and accelerate hard,there is quite a lot of black,sooty type smoke initially,then it clears.
I will stick with it for a minute,keep you posted and maybe get a diesel specialist to take a look. I thought it maybe an injector? Or I had this on a Saab TD and it turned out that the timing was out on the fuel pump slightly (I think it was slightly to advanced and gave over fuelling)

Thanks again
John
 
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