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Old 04-17-2006, 12:06 AM
80300dbenz's Avatar
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Join Date: Mar 2006
Location: Houston
Posts: 125
what all can purge do to a car?

what all can purge do to a car? can it increase vacuum from the pump?

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Old 04-17-2006, 12:20 AM
Ara T.'s Avatar
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Join Date: Sep 2004
Location: Santa Rosa, CA
Posts: 2,075
For my 85 300D it didn't really do anything. But for my mom's old 300SDL with the 603 it made it start waaaay easier... like as easy as a 617 starts.. and no smoking @ cold idle. But it was temporary, lasted a couple months before starting to do it again.

No it won't do anything for your vac pump.
1985 CA 300D Turbo , 213K mi
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Old 04-17-2006, 09:34 AM
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Join Date: Jun 2004
Location: West of Ft. Worth. TX
Posts: 4,186
Hear Now! You need to rid yourself of that "gasser" thinking.

Diesel Purge is strictly for the fuel system.

Some things to consider:
Ensure there is no algae in the fuel system (in-line, see-through filter is not black and remains clear for period of time)
Have new primary and secondary filters on-hand.
Do valve adjustment and run for at least 200 miles before determining usage of purge. (It is not a cure-all.)


84 300SD 350K+ miles ( Blue Belle )
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