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2.7 cylinder head strip down and rebuild

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  • #16
    My tidiness comes in handy sometimes. Even if hanging spanners back up while we work drivers him nuts.

    Brian

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    • #17
      Originally posted by yoshie View Post
      My tidiness comes in handy sometimes. Even if hanging spanners back up while we work drivers him nuts.

      7/10

      The parts are not numbered.
      The spark plugs are not in a line.
      Eat.Sleep.Surf.Repeat.

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      • #18
        Originally posted by shokenore View Post
        7/10

        The parts are not numbered.
        The spark plugs are not in a line.
        The plugs are for the bin the new ones can be seen on top of the leccy board still in there boxes. All identical in apperance parts laid in removal order no need for numbers.
        Last edited by yoshie; 25 July 2012, 18:28.
        Brian

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        • #19
          Canny believe you haven't cleaned them all.
          Alan

          yoshie "Didn't know they had a pill for laziness, anyway get well soon."

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          • #20
            Another wee bit info.

            Sparkplugs.
            NGK BKR5EYA–U
            DENSO K16R–U11

            Correct electrode gap 1.1 mm (0.043 in.)

            Oil is 10W/40 semi synthetic.
            Last edited by KERRSURF; 25 July 2012, 21:27.
            Alan

            yoshie "Didn't know they had a pill for laziness, anyway get well soon."

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            • #21
              The head came back after being skimmed and pressure tested, all was good.
              I gave it a good check over and blew any last remaining swarf off and wiped down with surface cleaner.
              The second pic shows the cylinder head rear cover, I removed the pipes and plug from this then took it off with the head before removing the cover and cleaning gasket surfaces. I put it back on before the head went on.
              Attached Files
              Alan

              yoshie "Didn't know they had a pill for laziness, anyway get well soon."

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              • #22
                Before dropping the gasket on a bit of Hylomar is needed at the timing gear cover and block union, it's easy to see where they join, only apply a small amount. Clean the area thoroughly first. I used a degreaser and a fine scotchbrite pad, it won't take any metal off (you can use this to clean the rest of the block deck too) Use a surface cleaner before applying Hylomar.
                Attached Files
                Alan

                yoshie "Didn't know they had a pill for laziness, anyway get well soon."

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                • #23
                  When you get your new gasket you will notice that the water channels are a lot smaller than the channels in the block and head, don't panic, this is correct.
                  Attached Files
                  Alan

                  yoshie "Didn't know they had a pill for laziness, anyway get well soon."

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                  • #24
                    Make sure the cylinder bores are nice and clean and apply a light wipe of fresh engine oil before placing the head on.
                    Clean and inspect head bolts and wipe on some engine oil under the bolt head and along thread.
                    I bolted down my head tonight, follow the procedure in the manual. The initial torque setting is 39Nm but you must do this in a few passes, I started hand tight with socket on extension bar and then 10Nm followed by 20Nm, then 30Nm and finally 39Nm.
                    You then have to mark the front of each cylinder head bolt with a suitable marker (silver Sharpie pen worked fine) and then turn each bolt (in the correct order) a further 90 degrees, you then have to repeat the process, turning another 90 degrees until the marks you made are at the rear.
                    Finally install the two timing chain housing bolts.

                    I used a zero to 60Nm torque bar for the first passes up to 39Nm and then a larger torque bar for the 90 degree turns, the longer bar made it easy to judge the 90 degrees and then check with the marks I made on head bolts.
                    Alan

                    yoshie "Didn't know they had a pill for laziness, anyway get well soon."

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                    • #25
                      I'll be fitting the rest tomorrow, installing the cams and checking valve clearances. Having pics to look at has made it a really easy job to assemble again.
                      Alan

                      yoshie "Didn't know they had a pill for laziness, anyway get well soon."

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                      • #26
                        Truck is alive and purring again.
                        Wee oil leak at the chain tensioner which needs a new gasket.
                        Exhaust is still purging all the water and the cat is smelly, hope it's not damaged.
                        Turned the engine over by hand a few times, then with the leads off and then she started first crank, always a happy moment.
                        Last edited by KERRSURF; 28 July 2012, 11:05.
                        Alan

                        yoshie "Didn't know they had a pill for laziness, anyway get well soon."

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                        • #27
                          Oil leak at tensioner fixed, got some good quality gasket paper and made one, easy fix, an hours work.

                          Exhaust is now smelling normal again after 50 odd miles.
                          Alan

                          yoshie "Didn't know they had a pill for laziness, anyway get well soon."

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                          • #28
                            Well done, Nice write up Alan ....

                            11+ Years of Surfs .... n Faultless to a " T " is my Yota
                            Buncefield Burner

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                            • #29
                              Thanks Jess.
                              Alan

                              yoshie "Didn't know they had a pill for laziness, anyway get well soon."

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