W203 squealing/whistling noise
08-30-2014, 09:40 AM
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C180 Kompressor 1.8L
W203 squealing/whistling noise
Hi everyone,
Great forum which has been a great help with other issues I've had previously. Thought I'd take the plunge and get involved with a new problem I have which is locating where a squealing noise is coming from on my 2004 C180 1.8L Kompressor, M271 engine. I've added 3 videos to show my problem:
1st whilst idling without squeal
2nd with squeal when accelerator applied
3rd condition of pulleys
The squeal isn't there at startup and only starts when I accelerate or even go over a speed hump. It seems worse when it gets warm and driving around town (at low speeds). Although when cruising on motorways/ dual carriageways at 50mph or more it disappears. I've replaced the idler pulley and belt with no success.
I have been told that it may be an exhaust issue and to check I should take the wideband silencer & serpentine belt off and test the car as in video 2. But to not run for longer than 1 minute. If the squeal still exists then it isn't any of the pulleys..
I really wanted to see if I could get any ideas from here before I take it into a garage. And any recommendations for indy's local to Birmingham, England would be appreciated.
Many Thanks
Great forum which has been a great help with other issues I've had previously. Thought I'd take the plunge and get involved with a new problem I have which is locating where a squealing noise is coming from on my 2004 C180 1.8L Kompressor, M271 engine. I've added 3 videos to show my problem:
1st whilst idling without squeal
2nd with squeal when accelerator applied
3rd condition of pulleys
The squeal isn't there at startup and only starts when I accelerate or even go over a speed hump. It seems worse when it gets warm and driving around town (at low speeds). Although when cruising on motorways/ dual carriageways at 50mph or more it disappears. I've replaced the idler pulley and belt with no success.
I have been told that it may be an exhaust issue and to check I should take the wideband silencer & serpentine belt off and test the car as in video 2. But to not run for longer than 1 minute. If the squeal still exists then it isn't any of the pulleys..
I really wanted to see if I could get any ideas from here before I take it into a garage. And any recommendations for indy's local to Birmingham, England would be appreciated.
Many Thanks
