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