Author Topic: Strange sound when turning right  (Read 214 times)

celberg

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Strange sound when turning right
« on: 27 September 2021, 06:03 AM »
When i turn right there is a sound like the wheel bearings are worn on the left side. I changed those bearings but the sound is still there.
Another sound comes from what i think the gear box. Sounds like a bearing there too. Different sounds in different positions of the gear selector. Sounds really bad. I put the car on jack stands and then there were no noise at all no matter what position i put the selector in! Down on the wheels it was back.
The bushings in the gear selector linkage are really bad, so i will change them, but can the linkage make so much noise?
350SL 1973
350SE 1975
SL500 1996

celberg

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Re: Strange sound when turning right
« Reply #1 on: 03 October 2021, 04:21 AM »
Might found the cause of my strange noise. The exhaust pipe on left side lay on to the front axle beam so any vibration from the pipe you can hear in the car.
Is there anyone who have a photo were the exhaust pipe passes the front axle beam?
350SL 1973
350SE 1975
SL500 1996

ptashek

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Re: Strange sound when turning right
« Reply #2 on: 03 October 2021, 04:35 AM »
This?

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celberg

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Re: Strange sound when turning right
« Reply #3 on: 03 October 2021, 10:20 AM »
No, more like a photo so close up that one can see the distance between the pipe and the beam.
350SL 1973
350SE 1975
SL500 1996

UTn_boy

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Re: Strange sound when turning right
« Reply #4 on: 03 October 2021, 01:03 PM »
Is there any chance your motor mounts have collapsed?  This will cause the engine to sit much lower. 
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celberg

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Re: Strange sound when turning right
« Reply #5 on: 04 October 2021, 03:31 AM »
That can definitely be the case. I'll look at it.
350SL 1973
350SE 1975
SL500 1996

celberg

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Re: Strange sound when turning right
« Reply #6 on: 09 October 2021, 08:42 AM »
It was the motor mount that caused the whole thing. I replaced it on the left side and all the strange noises disappeared. Some of you might have seen my post regarding rebuilding the gear box. That's not necessary any moore...
350SL 1973
350SE 1975
SL500 1996

90077merc

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Re: Strange sound when turning right
« Reply #7 on: 10 October 2021, 07:49 AM »
How was changing the motor mount? Mine needs to be done? My understanding is that the motor needs to be slightly lifted or jacked.
1974 450 SEL

celberg

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Re: Strange sound when turning right
« Reply #8 on: 10 October 2021, 10:19 AM »
Easy. On my 1975 350SE there were 1 10 mm allen in the center and 2 6 mm allen (you only see one). Yes, you have to lift the motor. It´s a little less space on the right side.
350SL 1973
350SE 1975
SL500 1996