Reamer yes ,also replace pre chambers when they get all full of carbon & crud .
Nate R. explained this a while back , I've never needed to do it .
I's suggest checking your glow plugs , do it the easy / accurate way , not by taking it all apart .
Also , the glow plugs continue to heat after the lamp goes off , try waiting 10 seconds after the GP lamp goes out then try crankinbg the starter , this makes a world of difference in cold weather .
Also , it's prolly time to adjust your valves again , maybe add some Cetane boost , this also helps a lot .
-Nate
Lawrence wrote:
>
> I think my glow plugs are not working properly. We have to cycle twice.
> Sometimes in cold it won't start quickly even then. She catches then stops.
> Again and again. Once started black smoke. Once however with no throttle pedal
> she started and ran in cold weather. I am stumpped. Over night cold and
> started with no throttle. Idled like a dream. I've heard of a glow plug reamer
> to clean the carbon. Is this true? Lawrence Rhodes....
>
[diesel_mercedes] Re: Hard starting black puff when starting.
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