My ZX makes a whistling noise when revved above 3000rpm under load. Having read the posts on EGR I'm wondering if this 120 000 mile engine has got bunged up with soot etc. It didn't used to whistle like this.
I intend to disable the EGR now anyway. Is there anything else that might be causing the whistle? It's a lot louder than the usual turbo whine.
Simon
ZX TD 1997 whistling
Moderator: RichardW
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Check the clamp that holds the back box of the exhaust pipe to the rest of it.
The one on my 2.1 wasn't done up properly, so exhaust gas was screaming out the gap it left.
Tightened it up and no more whistle.
The one on my 2.1 wasn't done up properly, so exhaust gas was screaming out the gap it left.
Tightened it up and no more whistle.
1.9TD+ SX Xantia Estate (Cassy) running on 100% veg
1.9TD SX Xantia Hatchback (Jenny) running on 100% veg for sale
Laguna II 2.0dCi Privilege (Monty)
DIY sphere tool
1.9TD SX Xantia Hatchback (Jenny) running on 100% veg for sale
Laguna II 2.0dCi Privilege (Monty)
DIY sphere tool
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On my '97 Xantia TD it was caused by the inlet manifold gasket going brittle and starting to break up. The whistling on that got so bad when accelerating that people often would turn and stare at the car!, it didn't seem to affect performance in any way though. I replaced the gasket with a metal one from a BX 17TD engine and it stopped the noise.