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Cleaning my intake manifold

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  • Goodsy
    Who ya gunna call....
    • Dec 2010
    • 7598
    • Hervey Bay

    Cleaning my intake manifold

    Got an early start. Got home from work at 3:30 and called it quits at 5:00. Too bloody hot!

    Anyway. A start.

    .Previously an NP GLX 3.8 auto RIP
    NS VRX DiD auto. RIP.
  • Goodsy
    Who ya gunna call....
    • Dec 2010
    • 7598
    • Hervey Bay

    #2
    Pic of all the crud in the intake pipe just after the exhaust gas entrance.


    Carbon and oil caked to intake pipe leading to manifold.



    Hell knows what the manifold is going to look like.
    .Previously an NP GLX 3.8 auto RIP
    NS VRX DiD auto. RIP.

    Comment

    • kibz
      Senior Member
      • Jul 2007
      • 377
      • Melb, Victoria

      #3
      Here is a pic of my inlet manifold after @ 240 k's. Number 1 was completely block and full of crud.

      Have you fitted a oil catch can yet?
      Attached Files
      Cheers,
      Paul
      __________________
      NM Exceed, 3.2DID, TJM T3 B/BAR, 9500lb Winch, TJM Snorkel, TC Lock Up, 3.15 gears, Lockers,
      Cross Country TMIC, 285/75/16 GY Duratrac, 2" Lovells HD, 3" exhaust, DB Guards, Dual Batteries,
      UHF, ARB Compressor, DP Chip, 60lt Waeco Frig, Lightforce 240 XGT.

      Comment

      • dolphin
        Valued Member
        • Jan 2008
        • 3324

        #4
        wow guys, i am no deisel expert but that looks bad. why does it occur ? is it fuel related such as normal or premium fuels used ? can you use some type of deisel upper engine cleaner to keep this manifold clean , rather than take it off ?
        NS 3.2 Diesel, Polor White , Black CSA Rims, HanKook Dynapro AT Tyres, 3 inch custom stainless steel exhaust with free flow Cat & Muffler, 50mm Lift, Old Man Emu Shocks and Springs, TJM Bullbar powder coated White, Custom 7mm Sump Guard & Transmission Guard, 8 inch LED Spotties plus 20 inch LED Light Bar, rear Reverse LED Light, ARB Roof Cage , Tiger11 Awning.

        Comment

        • Goodsy
          Who ya gunna call....
          • Dec 2010
          • 7598
          • Hervey Bay

          #5
          A combination of carbon and oil. Sticks to the intake manifold.
          .Previously an NP GLX 3.8 auto RIP
          NS VRX DiD auto. RIP.

          Comment

          • Goodsy
            Who ya gunna call....
            • Dec 2010
            • 7598
            • Hervey Bay

            #6
            Well it's out.

            .Previously an NP GLX 3.8 auto RIP
            NS VRX DiD auto. RIP.

            Comment

            • Goodsy
              Who ya gunna call....
              • Dec 2010
              • 7598
              • Hervey Bay

              #7
              Now to clean the thing. This goo is tough stuff!!









              3 days to clean it and get her back together. Took about 3 hours to remove so will probably take a day to clean and bolt it back up.
              .Previously an NP GLX 3.8 auto RIP
              NS VRX DiD auto. RIP.

              Comment

              • Jords
                Valued Member
                • Jun 2011
                • 595
                • Kellyville Ridge

                #8
                that all looks very familiar although I had my mechanic do mine didn't have the guts or cash to fix anything I f
                2007 NS VRX Cool Siver, Mitsu Alloy BB with spotties, MM towbar, Family Pack, ARB Awning, Duel battery with Optima yellow top starter, Bushskinz intercooler and sump combo, 2" lift with Bilstein shocks and HD Lovels, Ultragauge (Sold 2014)

                Comment

                • GHendo
                  Valued Member
                  • Mar 2012
                  • 4375
                  • Northern NSW

                  #9
                  Gosh you love pulling things apart - I bet you were one of those little boys who dismantled all his toys - weren't you?

                  Actually your photos make me think I should pull my manifold off but I'm going to have to get in the mood to do that one. Have done quite a few mechanical jobs lately and still have a few more to do. Will have to put this one on the "To Do" list.

                  Repco sell a degreasing agent that is based on Lye - it is about $20 for a 5lt. bottle and should be a good help with what you are dealing with there - you could soak the manifold in it.

                  Cheers

                  Geoff
                  03 NP Manual Di-D Exceed, 2" lift, Dobinsons Springs, Lovells Shocks, ORU Winch, ARB Bullbar, Scott's Rods 3" Exhaust, ARB Compressor, Rear Air Locker, Cooper S/T Maxx, Hella Rallye 4000 S/Lights, Pioneer AVH-X5850BT DVD/Tuner w/- Reversing Camera, Sensa Tyre monitor, Uniden UH8080NB UHF, Rhino Platform Roof Rack, Hema HN-7 GPS, Engine Watchdog, CouplerTec, CTEK D250S DC-DC Charger, Snorkel, Towbar.

                  Comment

                  • Goodsy
                    Who ya gunna call....
                    • Dec 2010
                    • 7598
                    • Hervey Bay

                    #10
                    Originally posted by GHendo View Post
                    Gosh you love pulling things apart - I bet you were one of those little boys who dismantled all his toys - weren't you?
                    Got me in one. I was that kid. But at least this time I'm pulling something apart for a reason.
                    .Previously an NP GLX 3.8 auto RIP
                    NS VRX DiD auto. RIP.

                    Comment

                    • nj swb
                      Resident
                      • Jun 2007
                      • 7333
                      • Adelaide

                      #11
                      I hope Goodsy will forgive me for hijacking his thread, but what's with the butterfly valves in the manifold?

                      I know they do stuff like this in petrol manifolds, but I hadn't even heard of it in a diesel. What's that about?
                      NT Platinum. DiD Auto with 265/70R17 ST Maxx, Lift, Lockers, Lockup Mate, Low range reduction, LRA Aux tank, bull bar, winch, lots of touring stuff. Flappy paddles. MMCS is gone!

                      Project: NJ SWB. 285/75R16 ST Maxx, 2" OME suspension, 2" body lift, ARB 110, 120l tank, bullbar, scratches, no major dents. Fully engineered in SA. NW DiD & auto in place - a long way to go....

                      Scorpro Explorer Box

                      Comment

                      • awill4wd
                        Valued Member
                        • Nov 2008
                        • 620
                        • Pakenham, Melbourne

                        #12
                        Goodsy, while you have got it all apart would you consider changing the
                        SCV valve on the injector pump as you now have easy access?
                        Also, are you going to relocate the Map sensor pickup higher in the manifold similar to the NT and later Paj's.
                        Cheers Andrew.
                        2019 MR Triton bog stock at the moment but that will change.

                        Comment

                        • Goodsy
                          Who ya gunna call....
                          • Dec 2010
                          • 7598
                          • Hervey Bay

                          #13
                          Originally posted by nj swb View Post
                          I hope Goodsy will forgive me for hijacking his thread, but what's with the butterfly valves in the manifold?

                          I know they do stuff like this in petrol manifolds, but I hadn't even heard of it in a diesel. What's that about?
                          The valves are swirl control valves. They work by increasing air speed across the valve intake supposedly increasing combustion efficiently.
                          Mine is disconnected as I see the valves as an air intake restriction.

                          Andrew. I will be replacing the SCV as well. I've had an offer I cannot refuse.
                          Love this forum.
                          .Previously an NP GLX 3.8 auto RIP
                          NS VRX DiD auto. RIP.

                          Comment

                          • Goodsy
                            Who ya gunna call....
                            • Dec 2010
                            • 7598
                            • Hervey Bay

                            #14
                            Haven't thought about the map sensor pickup location. Thanks for the reminder.
                            .Previously an NP GLX 3.8 auto RIP
                            NS VRX DiD auto. RIP.

                            Comment

                            • Goodsy
                              Who ya gunna call....
                              • Dec 2010
                              • 7598
                              • Hervey Bay

                              #15
                              I won't tell her if you don't.

                              Last edited by Goodsy; 08-03-13, 11:26 PM.
                              .Previously an NP GLX 3.8 auto RIP
                              NS VRX DiD auto. RIP.

                              Comment

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