The sound of a failing vacuum pump.

Failing brake booster vac pump. Symptoms
- rough idle
- hesitation
- staling
- misfire
- poor fuel economy
- rough cold starts
- no vacuum pressure
#volvo #volvos40t4 #volvos40 #vacuumpump #misfire #staling #roughidle

[@DAGZ_OG]

1:46 bro went in for a sniff

[@powersm1980]

This help me out big time I thought I had an exhaust leak thanks a lot.

[@JoseSandoval-ic5xe]

Hi I'm having same symptoms as your description, was your vacuum pump an electric one?Did you fix your issue by replacing it? Thank you

[@gersonmonge3537]

Thanks for the video helped me out

[@dujangempire]

just replace it.

[@Fixingityourself]

Help i got a volvo s60 2002 when i brake while driving and i let go i hear a wissle sound when i press my brake it dissapears.. when i let go it is doing Again the same sound what could it be?...

[@conman7975]

Just had this on my audi.your brake pads are worn out. Theres a little clip that hangs down and rubs when its low.thats what your hearing.

[@Peppermint1]

Make sure the large rubber boot of the steering column shaft at the floor is properly secured with the large metal clip kzbin.info/www/bejne/gXiXfIqEoMx-oMU Otherwise, I would say it may be a leaking brake pedal booster seal (see my channel)

[@fastguyzgarage351]

Can also be you’re brake booster

[@Fixingityourself]

@@fastguyzgarage351 it was a master cilinder rubber replaced it my self problem solved!