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  1. J

    fj62 overheating (tried almost everything)

    Hi sheino, You are going through the same issues as I did recently. See my thread 1985 FJ62 Overheating. You have pretty much covered all the possibilities so it is time to start over and recheck everything. First the easiest. Elliminate the possibility of faulty thermostats by taking it out...
  2. J

    1985 FJ62 Overheats

    1985 FJ62 Cooling System now OK Thanks everybody, my cooling system is now working properly. The scouring of the radiator did the trick and saved me the cost of a new one or at least the cost of a major radiator repair. A couple of tips: When removing the radiator. To avoid having to remove...
  3. J

    Boiling Over

    It is normal for the temperature to increase after you stop the engine. If you have been working it hard or the cooling system has a problem then the temperature will be fairly high and when you switch it off it may boil. I have had a cooling problem recently with my 1985 FJ62 (see my post...
  4. J

    1985 FJ62 Overheats

    Thanks bigbrowndog, I have already put some grub screws inside the buggered fan hub. I ran this a few days but found the noise running at 110 kph a bit much. It did provide heaps of cooling though. Still without a thermostat I couldn't get the temp gauge to move up the scale any more than...
  5. J

    1985 FJ62 Overheats

    Thanks BigBrownDog and 3F62, My original fan hub has a problem with its valve driven by the bi-metal coil in front. I have two other fan hubs, one after market that I don't trust and another second hand one. I will try to get the silicone oil and add it to the second hand fan hub and see how...
  6. J

    1985 FJ62 Overheats

    Thanks 60Wag for your post and BigBrownDog for your PM. The engine runs fine with no noticeable reduction in power. It seems that my problem is the radiator. I don't have a good radiator repair shop near me but I have tried using several products to clean it out. Of those I have...
  7. J

    1985 FJ62 Overheats

    Thanks BigBrownDog for the PM. I have now used the Wynes radiator flush but it didn't do much and the problem remains. There is no sign of any water leaks including the water pump. I have now once again removed the radiator and this time the water pump as well. No sign of any water pump...
  8. J

    1985 FJ62 Overheats

    Thanks bigbrowndog, I run the motor and then add more water as I have had the air lock problem before. I now have a bottle of Wynnes radiator flush and will give that a go tomorrow morning. I do use genuine radiator cap (just fitted a new one) and thermostat although for now have left that...
  9. J

    1985 FJ62 Overheats

    1985 FJ62 with 3F motor overheating Yes it is 1985 FJ62 with 3F motor. In Australia 4WD's were given a bit of a delay in needing to comply with some emmission controls. It doesn't have catalytic converter or air pumps that you guys have to put up with. Thanks import silvia. I did reverse...
  10. J

    1985 FJ62 Overheats

    I would like some help diagnosing the problem. My 1985 FJ62 with 3F motor has recently started to overheat. Here is what I've done so far: Thermostat - Checks out OK and for now I have left it out. Fan Fluid Hub - This was suspect so for now it is replaced with a fixed...
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