How the heck do I remove an alternator '73 220D w115 - Mercedes-Benz Forum

 
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post #1 of 8 (permalink) Old 09-21-2011, 11:17 AM Thread Starter
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How the heck do I remove an alternator '73 220D w115

Hi All,

How the heck do I remove my alternator? Unfortunately I have the last year before you could just change the Voltage Regulator and bushes. I have to remove it and replace it.

So I have it detached easily enough. But I cannot physically remove it - the car has A/C so there is a compressor above so it won't go up, it won't fit going down.

Is there a particular way it coms out that I'm missing? I figure I could try to remove the A/C compressor or the fan and the radiator shroud - but I'd hate to do remove one and then discover it was the wrong way to go.

Thanks, Frank
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post #2 of 8 (permalink) Old 09-21-2011, 11:33 AM
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Got a photo?

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post #3 of 8 (permalink) Old 09-22-2011, 01:27 PM Thread Starter
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I did it but still wonder if this was the best / easiest way

So I did get it done - but I wonder if this was the best easiest way to do it. And professional mechanics care to comment? First the photos:



And the other side



As you can see it's very tight - I suspect the problem is the AC compressor was an after thought and totally block what might be a very simple job.

The alternator will not come out through the bottom (at least not that I can see). I did get it out through the top by disconnecting and moving the radiator hose, the vacuum hose, removing the idler fan belt pulley and moving the fuel filter (didn't need to disconnect it - just unbolt it and move it a few inches).

Then I was able to move the alternator into the fan shroud and around to the top right hand side and then out through the space I created. Still it was very tight.

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post #4 of 8 (permalink) Old 09-22-2011, 01:29 PM Thread Starter
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You can't even see the Alternator - it is directly under the A/C compressor. The new one is installed in these photos.
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post #5 of 8 (permalink) Old 09-23-2011, 08:31 AM
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I meant a photo from the bottom, if you can manage.

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post #6 of 8 (permalink) Old 09-23-2011, 05:58 PM
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You will have to remove the A/C compressor and swing it out of the way. Do not undo the A/C hoses. The solution will then be obvious.

Near Manassas Va. '65 220S, 2006 Ford Crown Victoria Police Interceptor, '99 Volvo V70, '72 350SL 4 speed

Not part of the in-crowd since 1952. It's BRAKES not breaks. You break a bone, use brakes to stop your car. /rant

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post #7 of 8 (permalink) Old 09-23-2011, 09:56 PM Thread Starter
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Quote:
Originally Posted by wbain View Post
You will have to remove the A/C compressor and swing it out of the way. Do not undo the A/C hoses. The solution will then be obvious.
Now I did think of that first, there are 4 bolts that hold the A/C compressor on - two on the top side (easy to get access) and two on the bottom (seemed difficult to access). Which is why I looked for the other route.

But the other route was only easy for me because my heater control valve is leaking (see my other post) and the coolant level in the radiator was lower than the hose I had to disconnect - so I dod not have to drain anything.

So new Alternator is in, and tomorrow morning I will get new O rings, rubber washers for the heater control valve and put that back together.

It has 397K on it now - do I hear a 400 coming?

Thanks, Frank
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post #8 of 8 (permalink) Old 09-26-2011, 06:07 PM
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Here are a pic or two:
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Near Manassas Va. '65 220S, 2006 Ford Crown Victoria Police Interceptor, '99 Volvo V70, '72 350SL 4 speed

Not part of the in-crowd since 1952. It's BRAKES not breaks. You break a bone, use brakes to stop your car. /rant

http://www.megamanual.com/index.html
http://www.bgsoflex.com/megasquirt.html
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