Questions & Answers for: Volvo S40 whistle sound

pcv valve location 2005 volvo s40 with check egine light on makes a whistling noise from the engine. I was told to check the pcv valve. could you tell me where it is located and how I can replace it? ...

sound Read my other posts to the same problem. if the noise goes away with the oil filler cap removed you need to replace the oil filter housing and hose. good luk Could be the pcv valve Almost always

check engine, whistling moise The check engine light came on. The engine has been whistling for about 30 miles. Whistling seems to go away when the car maintains constant speed. There was also a ...

2004 Volvo S40 Noise and check engine light. Any ideas? If the noise is a whistling or screeching type noise it means the breather assembly (integrated in the oil filter housing) has gone bad, its ...

engine compartment on my 2005 s40 2.4i has a whistling and whining noise. It winds down slowly when you turn the engine off. It does not vary in pitch with acceleration or rpms. It is not a belt, ...

MAKES A WHISTLING NOISE ON ACCELERATION , LACKS POWER AND DIES SOMETIMES ON START check for a bad vacuum line,, one thats either come off, or cracked allowing vacuum to escape,, start the motor, and ...

whistle is a hard thing to figure out, mainly because the tiniest hole can make a sound, even one that cannot be seen. I a a like problem with my intake manifold, I finally found it by carefully using

Hi. Ihave volvo s40 1.9d 102 hp it lost power,makes weird noise at the back of the engine like whistling or rotten sprocket when revs go to 1800rpm, no smoke, nothing shows on dashboard drives ok. is ...

...whistle like sound. Started out months ago just to be when car started, then would go away after a few minutes, not getting constant and worse when driving? sounds like its coming from the belt ...

2001 Volvo S40. Where and how to replace a PCV valve on the vehicle please? I have a whistling noise when driving. Question edited for clarity. Question moved to S40 sub category. Check out the videos