hissing

Seems to be coming from the interior locking knob on rear door. Any ideas guys? Cheers Kurt

I am getting a hissing sound (like air escaping) more and more frequantly It generally happens after pushing the brake pedal and is almost as if the pedal is taking its time to return The car is a W163 '52' plate I know this is not normal as it doesnt happen all the time Anybody have...

Hi, my 1995 w124 e280 was recently involved in a minor front end shunt, the front grill was dented and all seemed ok in terms of damage to radiators etc. Since then the air con has stopped blowing cold and when switched on a loud hissing sound is evident coming from under the dash. It sounds...

when i turn the temp controls down and the aircon starts blowing cold i can here what sounds like a slight air leak,if i turn the temp up it stops.i found a vacuum leak 2 weeks ago on the head light adjuster i have repaired it. could that have caused a leak on the aircon

Hi guys, I have a 1998 C250 TD with Sport with 170,000 on the clock. Full history and one owner from new. Under hard acceleration I get a hissing sound which sounds like its coming from behind the dashboard and doesnt feel like its as quick off the mark. I have checked the vaccum pipes and...

As above. I started my car this morning and all i got was hissing noise from the speakers. Was fine on CD etc..... Not convinced its the aerial as the radio would tune in to stations with no problem, just no real sound. I drove the car, then left it and came back 20 mins later, tried the radio...

Ive got an audio10,bose amp and cd changer in the glove box next to my gloves:rolleyes: The radio works fine but when its cold:confused: or I havent used the car for a while when I select cd all I get is a hissing noise,I then have to switch between radio and cd quite a few times before it...

There is a leak on my w124 300ce on the passenger i have not found the source yet but is there a common leaking point on this car? also behind the dash on the passenger side is a long hissing noise like a air leak? this happens when i open the car doors, also the doors do not lock themselves...

Just got home, opened the car door while sorting myself out noticed the car sounded odd. Anyway there is what can be best descibed as a "hissing" noise comming from the fuel pump. Crouch down at the rear tyre and it's most noticeable. No smells or drips. Will have to see if it stays, or goes...

Hi guys, I have a W203 which has a strange hissing sound coming from the ventilation system. I have tried to isolate it by closing the vents but no luck, it almost sound asthmatic. The hissing is fairly constant even if the fan speed in increased or decreased but stops when the fan is turned...

Noticed a hissing noise from back of engine or under dash, that area anyway for the last week. Not all the time but on and off throught out each journey. Tonight my air con switch light won't go out, had this when I bought it but a regass in November sorted it. Question is what would be the...

hi i gather from other threads that the hissing sound in my w202 is probably due to a loose connection in the lights auto levelling system...especially as the light levelling is also currently not working....question: how do i trace the leak/ loose connection? where do i look for it? thanks

I have just noticed today that my car makes a strange hissing sound, the noise seems to coming from the engine bay but i cannot hear it whilst driving. Only when the car is stationary, if i rev the engine, the revs are then followed by a hissing sound which subsides as rpm drops to idle. It...

HI Pls help. I have a E220 CDI Auto - 99 V plate, done only 221K ! When you drive the car, there is no power no matter what you do, and as you slowly pick up speed, you can gear a loud hissing noise coming from the front engine area as if the turbo is leaking, the noise goes when you dont...

This is my first post! Can anyone help with the following? I have a 2000 E240 (2.6) E Class Estate and when I take my foot off the throttle, I get some hissing out of the small, right-hand dashboard speaker. The hissing stops when I press the throttle. Why? And why only that one speaker...

Before take car into dealers thought I would ask if anyone else has had the same problem or any suggestions - especially as the problem seems intermittent and knowing my luck it won't be happening when I book it in. I'm getting a hissing noise from centre air vents, normally when restarting...

sometimes when I brake...at slow speeds..i hear a low hiss...kinda like a whistle from the brakes ...what do you guys think it could be...old brake pads?..the cars done only 2860 miles . :confused: and no its not that familiar rumble of the sensotronic braking system...this happens when i brake

Since i have had this car ( 1991 230ce) there has been a loud hissing noise every time i lock the door or open it !...It lasts for about 10 secs then disapears. It seems to be coming from the petrol tank area. It sounds like a tyre being let down and the air escaping. I think i read that the...

Hi, After a few minute intervals, I keep hearing a hissing sound, like somebody is sucking air through a straw. It seems to be coming frm the air ducts. Is this the air con? Is it normal? thanks Amo S280 1998

Hi Guys I have a hissing sound which comes from the front drivers footwell area when i ease off the accelerator from 30mph. It sounds like a vacum of some type if anyone can advise me as to what it is would be most obliged. 1992 300SL Pete