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#1
03-06-2015, 09:50 AM
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M130 engine head work
Hi All,
So I am rebuilding a spare head. I have it all stripped and ready to be cleaned but I am stuck at the chain guide... How in the world is it removed??? I just cant figure it out, please help!
__________________
1969 w108 280s 
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#2
03-06-2015, 10:44 AM
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The guide is mounted on internally threaded pins, which are extracted from the front of the head.
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#3
03-06-2015, 12:58 PM
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Hi Frank,
Yeah I totally see the 2 pins and they way they go through. I was expecting to see a hex head or some type of end on them so I could turn them out. Yes I see the threading on the inside but how can I get them out... Should I grapple them with pliers or is there a special super secret benz tool or method to remove them? Put a screw inside and pull or...
__________________
1969 w108 280s
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#4
03-06-2015, 01:24 PM
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I think the tool you are looking for is this one....
Pelican Parts.com - Rail Pin Puller Guide with 6mm extractor pin, Applicable - Mercedes engine - M102, M110, M115, M116, M117, M130, OM601, OM602, OM603, OM615, OM616, OM617. You might be able to borrow one from someone here or check out the tool rental program elsewhere on the forum.
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#6
03-06-2015, 02:27 PM
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Quote:
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#7
03-06-2015, 02:57 PM
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Oh sweet info!
Idle...I think that would be the correct way for sure! Thanks man. I may opt for the screw and pull method first...that doesn't sound right  Hey Mosu! I thought about doing a lil write up about it, I just may. I wasn't sure if it would be of use though
__________________
1969 w108 280s
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#8
03-06-2015, 03:17 PM
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One a side note...
Is it kosher to reuse the old valves with new guides? I have kept all parts together...example... The rocker arm, valve, valve springs, keepers yadda yadda exactly from which they came in baggies... I keep Zip-Lock in business. I understand that the valves need to be lapped and all that jazz once the head is cleaned and prepped.
__________________
1969 w108 280s
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#9
03-06-2015, 05:02 PM
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Quote:
Sure, as long as the stem diameters are in service specs, and there is enough margin on the edge of the heads after grinding. Some will say that exhaust valves should not be reused; that is correct for aircraft engines; older road use auto engines in the US did not bring exhaust temps to critical levels, let alone for extended periods, so reuse is quite in order.
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