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Old 08-02-2013, 12:38 AM
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Diesel911 Diesel911 is offline
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Join Date: Sep 2007
Location: Long Beach,CA
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There should be more than something in the DIY section.
There is an extensive thread with the Spicer Wear Scar test in it.
DIY Repair Links
DIY Links by Parts Category - PeachParts Mercedes ShopForum
PeachPartsWiki: Do It Yourself Articles - Mercedes Vehicles

I use Power Service Diesel Kleen one in a while on the Mercedes mainly to keep the Injectors cleaner as it only drives short distances in City Traffic with an Occasional 10 mile trip on the Freeway.
I use it in the Volvo with every full Tank of Fuel because when I get on the accelerator pedal on the Volvo it gets black smoke. The Power Service decrease that.
I think it decreases the Smoke due to the additive increasing the Cetane. The higher Cetane starts the Fuel burning better when ignition starts.

It is not cold where I live so I cannot comment on the Fuel gelling issue except that I know they have Additives to prevent that and the Winter Fuel is already supposed to have that in it.
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84 300D, 82 Volvo 244Gl Diesel
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