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  1. S

    4.6L V8 coolant loss

    Hi, yes I have added engine block sealer to see if that stop the minor coolant loss. It helped and I now only have to top up about 200-300ml every 3 months or so.
  2. S

    4.6L V8 coolant loss

    Hi guys! Some inspiration from Ausdoug62 thread, I thought to give you all some news on my journey to where I am now with my Explorer 4.6L - Since my last thread, I made some more discoveries. Additional to my air intake manifold, my actual block was cracked between cylinder 1 and 2 head...
  3. S

    4.6L V8 coolant loss

    Hi guys! OK, engine put back together and installed in the car. I finally reached the moment and turned the key for the first time after a full rebuilt. (I did crank it I few times before when the spark plugs were not installed to 'run' the oil through to the cams) Great news, it started and...
  4. S

    4.6L V8 coolant loss

    Hi guys! Just a quick update. I end up pulling the engine out. All stripped out and block is ready to go for machining on the top. When I started stripping the crank out I noticed some dark black lines at the second row piston sleeves coming down towards the oil pan. I am now wondering that...
  5. S

    4.6L V8 coolant loss

    Hi Eeprete, thanks for your opinion. I decided to remove the oil pan and take out one journal housing from the crankshaft to get a good look. This will give me some indication on the direction I need to go. I have also give the go ahead to the head shop to start reconditioning work. I am...
  6. S

    4.6L V8 coolant loss

    Guys, I need some opinions here: Background - My cylinder heads are found to be all OK - , but the cams are scorched at the journals - . The head shop found 2 cams that are in spec and recommend not using existing cams. I am also concern that the oil pressure will not be sufficient if I use...
  7. S

    4.6L V8 coolant loss

    Hi eeprete! Update from my last post: I am still in the 'repair' stage. I took the heads off and it is currently at a pro shop. I received news today that the heads are both good in hardness, flatness and also no cracks in it. The guy at the engineering told me they checked the cams and found...
  8. S

    Ways to get coolant in oil??

    Hi! Good to hear back from you! I have stripped the engine and removed the heads (right or wrong) and (disappointing) did not find a leak sign between coolant ports and the oil port channels. I am going to take it to a friend next week for him to have a look at the heads and gasket, but it...
  9. S

    Ways to get coolant in oil??

    Hi there! Have you managed to find the problem? Did you inspect the oil cooler at all? I believe I have similar problems and is interested to know where you end up at the end? Regards
  10. S

    4.6L V8 coolant loss

    Hi Eeprete, I found lots of water in the oil. Coolant is making its way into the oil passage and into the sump. 2 scenarios are likely. Either cracked block or head gasket. I started removing parts to take the heads off. I currently do this with engine still in the car bay. Not sure if this...
  11. S

    2003 Explorer 4.6L Coolant in Oil

    Hi smerkal! So have you replaced your engine or just the block? I am currently also taking my engine apart as I have water / coolant in the oil. Lots if water in the 2 valve covers. Actually when I drained the oil out the pan, 8.2 litres of it (which is strange as the oil capacity is only...
  12. S

    4.6L V8 coolant loss

    Hi Eeprete, thanks for the advice. I am planning to do some checks today. Process will be slow. Will keep you posted.
  13. S

    4.6L V8 coolant loss

    Hi! Thanks for getting back. How is your explorer going at the moment? Do you still experiencing the same problem with coolant loss? I bought my explorer from a friend and started studying what I need to check first before removing the heads. She had also issues with coolant loss and took it...
  14. S

    4.6L V8 coolant loss

    Hi there! Not sur if you still active in the forum? I found your information interesting. I have recently bought a v8, 4.6l and also have signs of a blown head gasket. I'm not entirely sure and need to do some checking. Will wait to hear back and will ask further advise if you willing. Ta...
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