When I go thru the gears and press the accelerator it sounds like the heater fan comes on full blast, but when I take it off the sound goes off,, help

2006 Ford Focus 18tdi
Car: Ford Focus
Year: 2006
Variant: 18tdi
Categories: Running Rough, Starting & Power Loss
Car runs sound, but when I press the throttle through the gears it sounds like the heater fan is turned on full blast, but only when I'm at high revs , very strange, can anyone advise please
Problem added: Jun 26, 2013 (10 years ago)
IS it the heater fan that's making the noise you hear or is it the turbo ?
Answered Jun 26, 2013 (10 years ago)
It sounds like the heater fan to be honest, like the air is coming thru the vents to clear the windscreen
Answered Jun 26, 2013 (10 years ago)
You say its like the air is coming through the vents. But can you feel the air coming through the vents???...
Answered Jun 26, 2013 (10 years ago)
Yes thats what it sounds like but there is no air coming thru the vents at all
Answered Jun 26, 2013 (10 years ago)
check for leak on turbo intercooler pipes
Answered Jun 27, 2013 (10 years ago)

This problem is archived

If you're having a similar problem please click below to re-post this problem, you can then customise it to suit your situation.

Helpful & Related Pages on AutoInsider

Parts referenced on this page
More problems with the 2006 model year Ford Focus

We have 57 problems and solutions in our database for this model year of the car.

View all Ford Focus Problems