Synthetic Oil

Discussion in 'General Diesel Discussion' started by Tom21, Apr 5, 2012.

  1. Tom21

    Tom21 New Member

    Joined:
    Mar 31, 2012
    Messages:
    3
    Car:
    2004 Jetta TDI
    I have been trying to figure out whether I should just switch to a regular diesel oil instead of using the syntheic oil recommended for my TDI. I am replacing my camshaft this weekend and after viewing several posts here, I see a lot of conflicting opinions about the viscosity of the recomended 505.01 sythetic oil. I have used the 505.01 in my TDI since I bought it 8 years ago.
    The dealer blamed the oil I was using by saying it was too thin, but then others say a heavier weight is not good for the PD TDI.
    I have run other diesels on regular 20-40 weight for years with no wear issues. Since I started using synthetic oils in this TDI and checking with others that use it in both gas and diesel engines, it seems to me that they are experiencing premature wear on various internal parts.
    As always, I am opened to any thoughts/opinions.

    T21
    login to remove this ad
  2. chittychittybangbang

    chittychittybangbang Administrator

    Joined:
    May 23, 2007
    Messages:
    22,181
    Car:
    2006 Jetta TDI
    Location:
    CT
    There are 5w-40 505.01 oils that I use. Lubro moly. CI rated oil, compression ignition, have some more detergents. I don't know what's special about 505.01 spec specifically and whatever it is, it didn't work. But since there is a 5w-40 in 505.01 that's what I use.
  3. chudzikb

    chudzikb Member

    Joined:
    Feb 3, 2011
    Messages:
    386
    Car:
    06 Jetta, 05.5 Jetta, 03 2 door Golf
    Location:
    Lancaster PA
    Mobil 1 TDT, Rotella T-6 or other quality 5-40 diesel oils and you will be good. I worry less about the VW rating and more about it being a quality oil. Pentosin HP II is another...
  4. millerrick7

    millerrick7 New Member

    Joined:
    Apr 7, 2012
    Messages:
    1
    Car:
    jetta 2003
    new 2 vw tdi forum

    Shell Rotella T6 5w-40 is good to use.
  5. jgeorge

    jgeorge Member

    Joined:
    Jan 2, 2011
    Messages:
    42
    Car:
    2003 golf tdi
    Mods:
    V-tech power module
    Bang for the buck- Shell rotella T6- excellent oil and easy to obtain

Share This Page