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Search results for query: low coolant

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  1. Coolant leak from weep hole?

    ...engine bay. Its got 31k miles and I've never touched or topped off any coolant since I got it from the dealership. Model year 2025. No low coolant warning. Not sure if its coolant residue or something else. Rest of the engine bay looks clean, nothing on the belt or the splash...

  2. Car revs at idle without my gas, stopped burbling, recently was running low coolant - stock tune

    Hey everyone, I have a 2023 gr supra b58 stock tune (with a locked ecu), JB4 (i rarely load a map that is not stock), catless armytrix downpipe w/ cat simulator, mst v2 intake, fuel-it flex fuel sensor (but i've been only running 91 for last 6k miles) with about 23k miles Recently, my supra...

  3. Drivetrain/trans malfunction

    ...I had to add oil after 2000 miles since an oil change. I did change the coolant cap (the larger one) and it seems to have helped. I was getting white smoke from the exhaust, low coolant etc. So, had to have it towed to a mechanic, have googled and read a bunch on the interwebz. Anyone any...

  4. Low Coolant warning, Which coolant?

    The green is colour is actory fill and the magenta is retail BMW coolant. They changed the retail coolant colour to match the factory fill some time ago. If you only need a few hundred ML for a one off top up then you can just use some plain deminerised water. The dilution % will be neither here...

  5. Low Coolant warning, Which coolant?

    A couple days ago I got a low coolant warning when starting my 2022 Supra 3.0. I looked in the manual and it said to use BMW LC 18 coolant. When I looked in the reservoir the coolant looked green. I read on other posts here that said to use HT-12. I couldnt find any HT-12 or even LC-18...

  6. Power supply and OVERHEATING issue

    Hi everyone. I haven’t been as active in the forum lately. I’ve been having two issues with the car for a week now. First one, the power supply warning appeared, out of nowhere. It says that the battery can’t be charged and I need to request road slide assistance. About a month ago I installed...

  7. Water Pump Leak in Under 29k Miles

    We have seen this leak on the Waterpumps on various Supra and other B58 Gen2 vehicles. Usually only need to address if you are noticing Low Coolant issues. If you are then it's best to replace/refresh the Waterpump and associated seals. One of the lower left bolts near the Crank pulley is hard...

  8. Water Pump Leak in Under 29k Miles

    Had my pump replaced under warranty earlier this year...same symptoms as you, low coolant notice, could see the dried fluid around the pump area, not unlike your photo.

  9. Water Pump Leak in Under 29k Miles

    Both reservoir caps are dry and have no coolant residue. I’ve heard of others mention that the fix for “low coolant” is a new cap, but that doesn’t seem to be the case here

  10. Water Pump Leak in Under 29k Miles

    Curious to know if anyone else has had this problem since I haven't seen many others mention it. Apparently water pump leaks aren't uncommon on the B58, according to a close friend who's a technician at BMW. I've gotten the 'coolant low' warning on iDrive twice before. Once at around 15k miles...

  11. What did you do to your Supra today?

    Went to drive the car after it sat for a week while I was on vacation. Got a message about Low/No Coolant. Main reservoir was bone dry, so spent most of the morning trying to track down HT-12 and a new cap when my nearest BMW dealer is over an hour away. Took a quick pic on the test drive...

  12. Can’t Get Coolant Cap Off

    Yes twist harder and then after you get it off, lube up the threads with a small amount of grease. Will come off/go on easy as pie after that.

  13. Can’t Get Coolant Cap Off

    I get a low coolant warning when I first start the engine. I want to check coolant level but can’t get either cap off. I didn’t want to force it and break it. Should I twist harder?

  14. What did you do to your Supra today?

    1.5 days of crushed and cut fingers, I ended up recruiting my wife to place a couple of bolts (her tiny hands fit in small spaces)… but I finally did it. And added the Charge pipe that had been on a box for 4 months. @razorlab was right. Vacuum bleeding the low temp coolant system is easy. I...

  15. Oil and coolant level concerns

    My oil has gone a quart in 1k miles. Also the coolant 3 times topped off in the same time . Hopefully I get to find it's something fairly simple and not too expensive 🤷

  16. Oil and coolant level concerns

    My first 2019 Supra had to have the water pump replaced on the first service 😕 resulting in low coolant

  17. What did you do to your Supra today?

    Vac bleed is key and those gaw damn port o-rings can be a pita. I ended up super glueing them. Nuclear option.

  18. What did you do to your Supra today?

    Making the list of skills and tools I need to install the WT manifold as I’m planning to continue running this car on the track during the summer months in the swamp. Once I make the decision will get all the stuff. I’m leaning towards being a useful mod in my situation. plan is to buy a...

  19. AC blows warmer after long drive

    ...I think). After driving in the hot heat here in Thailand for more than 45 mins to an hour the AC just gets progressively less cold. Anyone experience this and fix this issue? I'm not getting any error codes for the AC system or for low coolant. Car has 7k miles on it and it's a 2024 3.0 6MT.

  20. Oil and coolant level concerns

    It is the larger cap reservoir, the one nearest the rad. The smaller one is fine, never had to fill it. I'm just worried it's a head gasket.





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