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Loud rattle from engine would say bottom. vectra cdti 1.9 exclusiv 2006.

Doesnt happen when revs are on . In gear or outa gear. Sounds dry but plenty oil

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 32 Answers

SOURCE: 2000 ranger rattling noise in engine compartment

Check the heat shield on the catylitic converter,exhaust manifold. Kev-Mn

Posted on Dec 06, 2008

tneubauer
  • 437 Answers

SOURCE: Pontiac G6 gas pedal rattle

Is this almost like a metallic buzzing sound?

Find the catalytic converter under the car it should have a shield on it. Use a broomstick with the car running and hold the shield still and have someone give it a little gas. Just move from shield to shield until you find the offending shield.

Don't touch these with your hand as they can get hot fast.

Most parts houses sell a very large hose clamp to go around these shield for about $10, they will know exactly what you are looking for.

Posted on May 30, 2009

greg_margo
  • 1959 Answers

SOURCE: oil consumption, rattle, engine noise

Check under the hood and inspect the valve cover gasket. If it's bad it would explain why you don't see any leaks on the ground because it's probably burning off on the manifold. This ticking you're hearing is a lack of lubrication to the rocker arms. Apart from the valve cover gasket, you should get under the car and inspect the oil pan and oil filter for seepage. Best of luck on your problem.
Greg

Posted on Jun 10, 2009

  • 137 Answers

SOURCE: I have a 2006 fiat doblo 1.3 diesel and the oil

you have a faulty oil pump

Posted on Jul 07, 2009

kirkx
  • 2019 Answers

SOURCE: 98 Ford Explorer engine/exhaust noise

When catalytic converters go bad, the porcelain matrix inside comes loose and is noisy.
But you can just unbolt it, break up the loose chunks, pour out the pieces, and it will run better than ever.
If you don't pass the next emissions test, then replace it.

But it could just be the heat shield rattling instead.
Take the shield off first, to see if it goes away.

Posted on Jan 03, 2010

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I have just changed the alternator on my 2008 vectra 1.9 cdti now my engine is very loud but it is not loosing any power and it was really quiet prior to the work done on it.


Take it back to the people that changed your alternator, and have them tighten the exhaust manifold they removed to get to the alternator.

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moving noise is very hard to find.

could well be exhaust shields,
did you take a rubber mallet and tap the parts (exh, end to end?)
bang ,rattle, bang , repeat
seen many bad CAT (brick inside loose) rattle. hit it. bingo. there you go.

i also jam objects in cat shelds to stop them for making noise.
just for temporary to find source.

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On my 2001 Ford Focus. Bad gas milage, engine running rough, loud vibration when steping on the gas pedal.


IS YOUR LOUD VIBRATION A LOUD RATTLE IF SO IT COULD BE YOUR CAT BREAKING UP THIS WILL CAUSE BAD RUNNING ..GIVE YOUR ENGINE A GOOD REV 3 or 4 TIMES OUT OF GEAR AND LISTEN FOR A RATTLE,,,,, HOPE THIS HELPS IF NOT CHECK THAT THE EXHAUST IS NOT BLOCKED ?? BEST OF LUCK-ELL BOY.

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