2.5 Diesel Head Tightening

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  • LandRoverRo
    Low Range
    • Jun 2007
    • 46

    2.5 Diesel Head Tightening

    Anyone know the sequence and torque settings for putting my head back on my motor?
    Torque settings for the rocker arm and rocker/valve gap would also be useful.

    Thanks.
  • SafeAirOne
    Overdrive
    • Apr 2008
    • 3435

    #2
    Originally posted by LandRoverRo
    Anyone know the sequence and torque settings for putting my head back on my motor?
    Torque settings for the rocker arm and rocker/valve gap would also be useful.

    Thanks.
    See pages 85 and 86 at:

    --Mark

    1973 SIII 109 RHD 2.5NA Diesel

    0-54mph in just under 11.5 minutes
    (9.7 minutes now that she's a 3-door).

    Comment

    • LandRoverRo
      Low Range
      • Jun 2007
      • 46

      #3
      Originally posted by SafeAirOne
      Thanks very much for the info. I may be missing it somewhere, but where can I find the torque specs?

      Comment

      • SafeAirOne
        Overdrive
        • Apr 2008
        • 3435

        #4
        Originally posted by LandRoverRo
        Thanks very much for the info. I may be missing it somewhere, but where can I find the torque specs?
        It's probably in book #1--I'd check, but I've gotta get to work:



        There are many more factory books available at:



        The books with the 2.5NA are the 1984-1990 defender manuals
        --Mark

        1973 SIII 109 RHD 2.5NA Diesel

        0-54mph in just under 11.5 minutes
        (9.7 minutes now that she's a 3-door).

        Comment

        • Moose
          2nd Gear
          • Oct 2006
          • 226

          #5
          Originally posted by LandRoverRo
          Anyone know the sequence and torque settings for putting my head back on my motor?
          Torque settings for the rocker arm and rocker/valve gap would also be useful.

          Thanks.
          Torque specs and valve clearances

          Cylinder head bolts - 91lb/ft
          Rockershaft pedestal bolts - 18 lb/ft
          Tappet adjuster nut - 18 lb/ft
          Tappet clearances - 0.010in (0.25mm)

          Hope this helps.

          Brett
          Series 3 88 Diesel Soft Top
          Ex-Mod 110 Tdi

          Comment

          • LandRoverRo
            Low Range
            • Jun 2007
            • 46

            #6
            Got it. Thanks very much to both of you for your help.

            Comment

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