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  1. R

    4.0 V6 Cologne timing chain explosion!

    We ran it on petrol for a while to shake everything out. Then I connected the multipoint injector LPG system back in. It will switch over to LPG but runs lumpy and will not idle. Just wind down and stall. If you have any throttle it won't stall at all. It is definitely a mixture issue as opposed...
  2. R

    4.0 V6 Cologne timing chain explosion!

    Firstly apologies for the delay. Family crisis intervened. Glad to report the engine is in and running well (on petrol). Had a couple of incidents. Leaking thermostat housing, and I bust the oil pressure sensor on engine install. Slight air leak between the inlet manifolds and a fuel line...
  3. R

    Oops!

    They aren't bad on fuel with an LPG conversion. We get around 300 miles for roughly £45 ($70). Makes it far more viable :D
  4. R

    4.0 V6 Cologne timing chain explosion!

    The land Rover boys and girls complaining about the petrol V6 in the Discovery 3 is a very common thing over here. Also coupled with the cost of repairing it and the high servicing costs. It was only recently I found out that it is the same engine and now I understand why it is such a pain. Land...
  5. R

    Who lives in the UK?

    Yup. Preston for the last year but Norwich for 18 years before that. Currently in the process of repairing the engine of the girlfriends 1999 model after the timing chains exploded.
  6. R

    4.0 V6 Cologne timing chain explosion!

    After a bit of time double checking everything and making sure I have got it right so far I made up a tool to lock the front jackshaft sprocket. Found a bit of 4mm flat and drilled three holes in it and cut out a notch. I bolted it to one of the bolt holes for the A/C compressor/Power Steering...
  7. R

    4.0 V6 Cologne timing chain explosion!

    I removed the RH (rear) tensioner and it only partially compresses 1/4" at most. It then goes solid. It isn't any harder or easier to depress than the new one up to that point. Reading your advice I am going with the new tensioners. You mentioned that if the tensioner doesn't compress it can...
  8. R

    4.0 V6 Cologne timing chain explosion!

    Yeah, I read about dodgy tensioners somewhere else. First thing I did was take them out and see if they had good springs in and moved freely. I noticed the tiny hole in the end of the piston. I reckoned it was for chain oiling purposes. Cheers for confirming that. I have that engine assembly...
  9. R

    4.0 V6 Cologne timing chain explosion!

    Ahh ... so the simple solution is to just jam the front tensioner so it doesn't compress, and wind it in to 20 lb-in. That should then hold the chain tight enough so you can do up the sprocket bolts. The trick with the gallery plug is one I always use on things like that. I have an Isuzu...
  10. R

    4.0 V6 Cologne timing chain explosion!

    Got a present this morning :D One thing I checked was the Crank to Jackshaft chain tensioner had 6 leaves (which it does). Only thing which confused me was the "Volume Reduction Plug". Its a white Nylon stick about 4 1/2" long. I haven't seen a reference to this anywhere yet. Is it...
  11. R

    4.0 V6 Cologne timing chain explosion!

    Hi StreetRod So if I remove my locking tools and rotate the crank (carefully) several times I should be able to get back to a stage where the engine is at TDC and the balance shaft is timed? Do you mean the spring loaded tensioners that screw into the side of the heads and tension the...
  12. R

    4.0 V6 Cologne timing chain explosion!

    Apologies for the delay. Been a bit busy around here lately. Anyway I managed to get down to the workshop this evening for a bit and finally managed to fabricate the rest of my locking tools. Now the crank and cams are both locked down. LH Cam: RH Cam: Now to lock the crank down...
  13. R

    Not a WHOOPS but Oh SH%#%^T!!

    Don't call them Widowmakers for nothing you know ;)
  14. R

    4.0 V6 Cologne timing chain explosion!

    Yeah .. the more I browse the forum, the more I see this is a common occurrence. Is there an interval time/mileage for the chains and tensioners?
  15. R

    4.0 V6 Cologne timing chain explosion!

    Yeah .. it is a bit "heath robinson" as they say and could do with a tweak in hindsight, but should do the trick in holding them.
  16. R

    4.0 V6 Cologne timing chain explosion!

    Ok after reviewing the destruction. Time came to start pulling things off. First stage was to start locking things down. The cams were the first stage as I don't want them spinning about. Looked up the "Special Tool" kit. Screw that for a game of soldiers. That is a lot of money for a one off...
  17. R

    Oops!

    Decided to start another thread with a far more sensible title. Should be easier to find and clearer for people in case it proves useful: http://www.explorerforum.com/forums/showthread.php?p=3437925
  18. R

    4.0 V6 Cologne timing chain explosion!

    Now I have a question. The crank is at TDC (Keyway is directly upwards and I set it before taking the crank sensor off with the crank pulley. It can only be a fraction out. Reading all the documentation the balance shaft should be timed accordingly. From what I gather the sprocket has two...
  19. R

    4.0 V6 Cologne timing chain explosion!

    Ok. I have spent some more time pulling things apart. So far I have dug this out of the sump and timing case: Here are some shots of various bits and pieces. Front: Exploded tensioned guide: No other apparent damage: Balance shaft lacking the plastic for...
  20. R

    4.0 V6 Cologne timing chain explosion!

    Following on from this thread: http://www.explorerforum.com/forums/showthread.php?p=3435652 I thought I would start another with a proper title and chronicling the matter at hand. This my girlfriends UK version of the 1999 Explorer 4.0 SOHC V6 Cologne. It has been fitted with a...
  21. R

    Oops!

    Cheers folks ... will keep you all updated how I get along ;)
  22. R

    Question - SOHC Oil Pan Sump

    What they all said :D
  23. R

    Question - SOHC Oil Pan Sump

    I know on the 4.0 you can. Just done it .. though I was also met with this:
  24. R

    Oops!

    From the Rockauto.co.uk site The gasket set: DNJ ENGINE COMPONENTS Part # FGS4028 Full Upper and Lower Set The timing set: DNJ ENGINE COMPONENTS Part # TK428 Set That £350 is inclusive of taxes and shipping. From a little research online DNJ parts are welcomed by a lot of...
  25. R

    Oops!

    Cheers for the link dezufo, but that is a hell of a lot of money. Yes .. very lucky. She sounded sweet even with the damage. I have used Rockauto before a few times for other parts. I can get a complete timing chain set, complete engine gasket set and waterpump for £350 ($550) from them. so...
  26. R

    Oops!

    Truck was running fine, until it developed a vibration around 2500-3000 rpm. Fine other than that. After lots of of looking and head scratching decided to pull the engine fearing bottom end had gone. Pulled the lower sump plate off and was met with this: That will be the metal and...
  27. R

    Newbie from the UK

    Hi there Dunno if there are many others on here from the UK but here is another. Girlfriend has just got her second one, but her family has had 2 Explorers over the last few years. Have to admit I have never really heard of them, and being an Isuzu fanatic was curious how they compare. I...
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