S-Class (W126) 1979-1991: 300 SE, 300 SEL, 380 SE, 380 SEL, 420 SEL, 500 SEL, 560 SEL, 360 SEC, 500 SEC, 580 SEC, 300 SD TURBODIESEL, 300 SDL TURBO, 350 SD TURBO, 350 SDL TURBO

diesel purge and valve adjustment

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Old Mar 23, 2010 | 10:28 PM
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malakas's Avatar
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From: boston
1982 300SD TURBO DIESEL
diesel purge and valve adjustment

1982 300SD turbp diesel.... does diesel purge and valve adjustment help?
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Old Mar 25, 2010 | 11:22 AM
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automch's Avatar
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From: Tucson
87 Ford Escort Diesel Wife's 83 300SD
As a professional mechanic I would say this to you, if the injectors are carboned up the diesel purge wll help, and if the valves are out of adjustment correcting that too will help.

With that said, lets think about things, This car is 28 years old and in all likelyhood could benefit from cleaning the injectors. Diesel purge is easier than removing the injectors and having them rebuilt. It will clean them, but if the injectors are weak or off on "pop" pressure, that will not be taken care of with Diesel Purge.

Concerning the valve adjustment, the valves should be adjusted annually or every 25,000 miles. This is an overhead cam engine and the gap between the cam and follower will decrease as things wear. If it decreaser sufficiently then hard starting and low power will be the result and if not taken care of eventually a burned valve will occur. HTH
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