I have a '93 Citroen ZX Avantage Auto 1.9D (non-Turbo) about a year
ago I got a strange whine whilst on the motorway, I pulled over and it
never did it again until now.
Essentially if you're accelerating, or you remove your foot from the
accelerator everything sounds fine. But if you're driving on the level
and only lightly pressing the accelerator there is a terrible whining
noise. Unfortunately it's one of those noises that is difficult to
pinpoint exactly where it is coming from.
Interestingly it doesn't do it when cold, it takes a few minutes
driving before the whine kicks in. I once got rid of it for a few
hours after I went through the car wash, it also seems to get better
in wet conditions (a lubrication issue somewhere perhaps?) although it
doesn't go away entirely.
I initially thought it was a slipping belt as this sometimes squeaked
when using the power steering heavily, but having tightened the
auxiliary belt it's made no difference to the noise (other than I no
longer get a screech when the steering is at full lock). The timing
belt is toothed so there appears to be little likelihood of this
Anyone shed any light on this?
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