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Diesel Purge, New Fuel Filters, Some New Hoses, BLOWBY

Author Topic: Diesel Purge, New Fuel Filters, Some New Hoses, BLOWBY  (Read 337 times)

sethkestenbaum

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  • W116 Enthusiast
  • Location: NY
Diesel Purge, New Fuel Filters, Some New Hoses, BLOWBY
« on: 01 September 2018, 09:35 AM »
Today I decided to finally do a diesel purge and change the fuel filter and pre-filter. I even replaced a few fuel lines as the old ones were less than optimal.  While I was under the hood I would check for blowby... sure enough I have some. The blowby isn't too bad but there are some puffs of smoke.  I am going to assume that some blowby is "typical and acceptable" for W116s with 100,000+ miles.  With this in mind, how much is too much? 
Seth Kestenbaum
oldcarroadtrip.com
1929 Model A Ford Phaeton
1969 VW Bug Convertible
1980 300 SD Turbo Diesel getting fixed up
1980 300 SD Turbo Diesel rusty parts donor car

Harv

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Re: Diesel Purge, New Fuel Filters, Some New Hoses, BLOWBY
« Reply #1 on: 01 September 2018, 07:11 PM »
Unscrew the oil cap and just let it sit on top the of the valve cover not tightened down. How much does it dance?
1980 300SD
1983 240D
2000 E55 AMG
2002 G500