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Changing engine oil question

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  • Changing engine oil question

    Hello all,

    I've got a VW T5 2.5L tdi 2009 that I service myself according to the service schedule. I've noticed that whenever I do an oil + oil filter change the oil gets fairly black as soon as I pour in the new oil and check for the oil level on the dip stick. Is this normal for a diesel engine?

    Basically, what I do when I change the engine oil I will:

    1, Take van around the block to heat up the oil a bit.
    2, Drain all oil out until oil drips extremely slowly.
    3, Remove oil filter
    4, Replug sump and poor in 500-1L of clean new oil
    5, Remove sump and flush completely again
    6, Fit new oil filter and poor in the new oil

    I don't have a vacuum tool to extract the oil in the oil filter housing, is this where all the dirty oil is getting caught up?
    Or have I missed something? Would it be safe to crank the engine briefly between step 4-5 to get the oil moving a bit?

    Oil used: Mobil1 ESP 5W30

    Any tips would be great!

  • #2
    Originally posted by lemmiwinks View Post
    Would it be safe to crank the engine briefly between step 4-5 to get the oil moving a bit?
    No.

    I have not noticed the oil going black,straight from pour-in.
    It goes black very soon after a few runs.It is the nature of the diesel
    Steve
    04 T5

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    • #3
      Originally posted by Rebuild View Post
      No.

      I have not noticed the oil going black,straight from pour-in.
      It goes black very soon after a few runs.It is the nature of the diesel
      Thanks mate,

      I didn't think it would be safe to crank the engine with barely any oil, but it seemed odd that the oil would turn fairly black as soon as I pour it in. Sounds like it's normal for diesel engines!

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      • #4
        no, don't crank it over with only 1L of flush oil in it.

        I've never worried about flush oil but if you must then go & buy the cheapest oil you can (like the $10/5L stuff in Franklins) & put the proper amount in & run the engine at a fast idle (~1000rpm) for 15 minutes. Also, move step 3 and put it after step 5 (no point making a new filter filthy)
        carandimage The place where Off-Topic is On-Topic
        I used to think I was anal-retentive until I started getting involved in car forums

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        • #5
          Originally posted by lemmiwinks View Post
          Any tips would be great!
          Try changing engine oil and oil filter every 7,500km.
          Performance Tunes from $850
          Wrecking RS OCTAVIA 2 Link

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