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  #1  
Old 03-13-2014, 12:04 PM
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Urgent -- M103 broken valve spring

Doing my head gasket and just spotted this luckily.

On a time and money constraint here -- Needs to be fixed by tomorrow.

Can I just replace the single broken spring and have the car drive-able?
Obviously if one has gone, the others might do in the future, but for both time-sake and fund limitations



What are my options here?

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Old 03-13-2014, 12:17 PM
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Best to investigate them all - to check their heights as specified in FSM.

However if you need to gamble then you need to gamble. Just replace the spring - though make sure there isn't additional damage you haven't detected yet. Ideally the springs should all be the same.
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  #3  
Old 03-13-2014, 01:02 PM
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Just checked thoroughly the rest and they look ok.

Cannot get a spring anywhere including the dealers. Not a single spring anywhere in the west coast. Unbelievable.

I'll have to junkyard it to get me by...no other option.
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  #4  
Old 03-13-2014, 01:29 PM
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Try a local machine shop that rebuilds the heads. They might have some. Ask your local Mercedes Benz independents and see if they have any in stock or old heads / engines laying around.
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  #5  
Old 03-13-2014, 08:20 PM
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Haven't you torn down this engine before? Why does it seem like this engine is always under construction? How hard do you drive it?
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  #6  
Old 03-13-2014, 08:36 PM
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I've got a 2.6L m103 sitting in my garage. The block/head are still intact. Let me know if you need anything
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  #7  
Old 03-13-2014, 09:57 PM
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Quote:
Originally Posted by pawoSD View Post
Haven't you torn down this engine before? Why does it seem like this engine is always under construction? How hard do you drive it?
Just a perfectionist I guess!

Going to the junkyard tomorrow and grabbing the best spring I can find. Should be ok.

Thanks guys.
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  #8  
Old 03-15-2014, 02:03 PM
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Fixed and running smooth!







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