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  1. Basic Help & Repair
    My 2005 is300 at 125,000 miles is losing coolant and I have no idea where and why. Shortly after purchasing the car I realized that the temperature gauge was at red. I stopped and got coolant and the car went back to a safe temp. I have been ok to drive with frequent coolant refills. I asked...
  2. General Discussion
    I recently replaced my radiator fans on my 2004 lexus is 300 due to the Coolant resivor breaking. One day I saw smoke coming out my hood and saw that it was Coolant and my car was overheating. I saw my fuse for the radiator fan was out. I replaced it and my fan instantly kicked on with the car...
  3. General Discussion
    drained the coolant from the radiator thinking I had a blown head gasket but after learning I didn't I just filled it back up and started bleeding it and after a while it started boiling....temps were fine though.
  4. General Discussion
    One day when I stopped driving I walked to the front of my Is300 and heard my coolant boiling (it was a hot day). I replaced the bad radiator cap and drove it home when it read as overheating. Wasn't sure if it was air or if it was truly overheating but I flushed it and replaced it anyway (the...
  5. General Discussion
    One day when I stopped driving I walked to the front of my Is300 and heard my coolant boiling (it was a hot day). I replaced the bad radiator cap and drove it home when it read as overheating. Wasn't sure if it was air or if it was truly overheating but I flushed it and replaced it anyway (the...
  6. Basic Help & Repair
    ok so I have an 2001 is300 and the coolant reservoir is bubbling and coolant is spewing out a little from the cap and also my traction control and check engine light is on please help don’t really have an explanation myself
  7. General Discussion
    Don't know if this has been posted yet, so I figured I'd throw my hat into the ring. Engine oil: 0W-20 (6.8 qts / 6.4 litres) Engine Coolant: Toyota SLCC or equivalent (11.1 qts / 10.5 liters) Transmission Fluid: Toyota Genuine ATF 'WS' designation (9.9 qts/ 9.4 litres) Front differential...
  8. General Discussion
    Was low on coolant so I was expecting that to be the cause, after a flush it’s still happening at slow turns, maybe water pump? I should probably check the coolant lines too.
  9. General Discussion
    So I just did a coolant flush in the radiator and put toyota red coolant in, but i forgot to flush the coolant reservoir. I cant tell but i think the reservoir has toyota pink coolant in it but in not 100% sure if it is pink or red. What should I do in this situation? Theoretically would it be...
  10. Basic Help & Repair
    Greetings everyone, I have an 02 IS300, there’s a coolant leak from just above the thermostat housing and above the alternator. Pics are included. Anybody know why coolant is leaking out of that hole? It does have a brand new water pump.
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