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Bad Engine noise/Oil light on. HELP!!!

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  • Bad Engine noise/Oil light on. HELP!!!

    So just spent the day of roading had some fun Got stuck in a bog hole water half way up the doors was in there for about 10 minutes before I got towed out. Battery light came on (yep another alternator gone) Drove out of the bush with my mate took about 15 minutes. Got out onto the main road and seemed a bit sluggish (maybe Turbo not working?) Stopped at some lights for however long that takes Motor was making some weird squelling/squeking noises When I took off I got to about 3rd gear and then the motor really started to make a bad rattle sound and the oil light came on. (Car still sitting on side of road.) Tow home tomorrow I hope.
    Questions
    1 Is this water in the injectors?
    2. Did my injectors finally give in?
    3. Something else?
    Any help appreciated.

  • #2
    Any smoke? Could be a piston, hopefully not.
    1997 petrol auto, 430 000km. Still going strong.
    2004 petrol auto, 233 000km. Cracked dash and no help from Toyota!

    Comment


    • #3
      Sounds like the squealing could be bearings nipping up, making the engine sluggish as its under increasing load.. Then went to the death rattle.. Hope not for you, but it isn't sounding good..

      Any water in oil? Checked dipstick? When was last time you changed oil and did you check sump pickup?

      Comment


      • #4
        1,2&3, Hard to say from here, one thing for sure mud=money.

        Did you get water inside vehicle?

        Do you check your oil pickup?

        Do you check your injectors? I doubt you have water in the system - ( subject to your answer to my 1st question).

        May be battery going flat, no charge, your running off battery. Fingers crossed.

        Comment


        • #5
          Originally posted by Hogey66 View Post
          Any smoke? Could be a piston, hopefully not.
          No no noticeable smoke

          Originally posted by Anth120playdo View Post
          1,2&3, Hard to say from here, one thing for sure mud=money.

          Did you get water inside vehicle? No water came in the cab. It did fill up the doors a bit. When I opened the door water came out the bottom of the doors

          Do you check your oil pickup? I checked it last oil change it looked clear.

          Do you check your injectors? I doubt you have water in the system - ( subject to your answer to my 1st question). No They where getting rattly when cold but I haven't checked for a while

          May be battery going flat, no charge, your running off battery. Fingers crossed. Maybe best case option.

          Comment


          • #6
            Squealing could also be alternator. Seen that before.
            As battery is dying weird things can happen.

            Was the loud rattle and oil light within seconds? Eg stalling and then batt light to show a stall?

            Comment


            • #7
              Originally posted by Piggy View Post
              Squealing could also be alternator. Seen that before.
              As battery is dying weird things can happen.

              Was the loud rattle and oil light within seconds? Eg stalling and then batt light to show a stall?
              Yep I thought the squealing might be alternator.

              I think so I cant remember when I noticed the oil light. When it started to rattle real bad I pulled off the the road got out and opened the bonnet to have a look/listen the car was still running at this point. I even drove it forward a little but it was very sluggish.
              When I get it home I can start the investigation.
              If the piston is holed I would expect diesel and bits of metal to be in the oil.
              If oil is clean and pick up is clean well ..........

              Comment


              • #8
                Under the circumstances you have described, I'd say after you killed the alternator, naturally the vehicle was draining battery. When there is not sufficient power to run the systems, weird things can happen.
                I'd say put a good battery in or re-charge & it will be ok.

                Fix alternator & other items damaged by mud ingress.

                Comment


                • #9
                  Originally posted by TurboD4D View Post
                  If the piston is holed I would expect diesel and bits of metal to be in the oil.
                  If oil is clean and pick up is clean well ..........
                  Not necessarily. Pistons are prone to crack across the crown so you probably won't see bits in the oil. Compression test is the sure way to diagnose.
                  Dave
                  Views expressed are mine alone and are not intended to compromise the integrity of my employer nor offend those who may read such views.
                  Bugger Bali, get out and see Australia before we sell it all to China.

                  Comment


                  • #10
                    So I've dropped the oil and the sump. Pick up was spotless (I was a bit surprised).
                    Click image for larger version

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                    Found bits of metal filings in the bottom of the sump (as expected).
                    Click image for larger version

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                    Pulled the injectors out. They don't look to bad.
                    Click image for larger version

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                    Next step Pull the head to see what I will see.
                    TurboD4D
                    Member
                    Last edited by TurboD4D; 10-04-2017, 04:09 PM.

                    Comment


                    • #11
                      So pulled the head off today and............
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                      ......Nothing
                      Any suggestions???

                      Comment


                      • #12
                        Your earlier pic looks like part of a ring? Can see a piece in there that looks familiar.. Found anything else?

                        Comment


                        • #13
                          Diagnose before fixing, then you will know what to fix.
                          So pease tell us more details of the investigation.

                          Please Include:
                          How was the battery test ok & alternator all charging ok?
                          Plug in diagnostic, was everything in spec?
                          How about a comp test before pulling the head?
                          Could you turn it over by hand as per normal?

                          Had many people contact me over the years with odd things found in engine, many never worked out what they were or had any issues.

                          Comment


                          • #14
                            Not trying to be smart with these answers but they are honest.
                            Battery was tested by trying to start car. Test failed.
                            Alternator was tested by trying to charge battery. Test failed. (Battery light on Dash)
                            I did charge battery with jumper leads from another car. Prado started with symptoms still well and truely there.
                            Dont have a diagnostics tool to plug in.
                            Dont have the tools to do a comp test
                            It was tight to turn over by hand.
                            At this stage Im not sure wether to pull the rest of the motor out or just put the head back on.

                            Comment


                            • #15
                              Its probably too late now you've stripped the top end but, i think you'd be best to get hold of a multimeter in this situation..

                              Battery voltage? Idle and when cranking.

                              If it started. Voltage when running (alternator output).

                              If battery flat. Charge properly. With a charger. What were battery fluid levels?

                              Diagnostic tools can be had cheaply. Certainly a lot cheaper than pulling an engine down to try to guess the issue.

                              You could also ask on the forum, a local member may be able To help you out with one.
                              Otherwise a garage/ mechanic will scan it for you for bugger all cost.

                              Comp testers are cheap enough. Again a member or garage could do this.

                              Tight to turn over by hand. Was this with glow plugs and injectors out?

                              If so it more than likely points to a jammed ring, or bottom end issues.

                              Did it get a gut full of water and you've given it a bit of a hydraulic? Bent something etc..

                              Now that you've stripped the motor this far your pretty well Committed.

                              It's going to be hard to diagnose without it running.
                              However you can probably still get the codes out of the computer.
                              If it was me. I'd be reading them before going any further.

                              Comment

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