2004 volvo s40 2.4 makes a strange whistling sound around the oil system
120

Asked by Mothusi Jan 04, 2014 at 06:21 AM about the 2004 Volvo S40 2.4i (2004.5)

Question type: Maintenance & Repair

the sound starts when my s40 warms-up.....when i remove the deep stick, air pressure
comes out and the sound goes off but when i replace the dipstick, the sound starts again

3 Answers
120

Mothusi answered 10 years ago

Helo Tom..The Oil filter housing and the pcv valve, are they the same thing?

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