coolant leak

  1. B

    3FE 92 FJ80 Coolant Leak

    Hello! I'm a pretty new Land Cruiser owner and getting to know this vehicle has been super fun but I've never worked on cars up until now. I have this coolant leak that starts going wild very randomly but when it starts leaking, it goeeeees... I believe I found the source of the leak but I don't...
  2. Rustyj41

    Coolant leak from thermostat to block bolts

    I just replaced my water pump and thermostat among other things. I fired it up today to find coolant was leaking out of the driver's side lower thermostat housing bolt. Is this a common occurrence? What would the fix be? I did apply a small amount of FIPG to the threads prior to install. I think...
  3. D

    BVSV questions

    I’m having trouble with one of the BVSV’s I recently replaced. If I tighten the BVSV to the point it can’t turn it anymore (without using too much force) the nozzles point 90 degrees away from the metal tubes they need to connect to via the vacuum hoses. If I tighten it only to the point that...
  4. FloTheFJ60

    Diagnosing coolant leak freshly rebuilt 2F engine

    Finally wrapping up this rebuild project which of course turned into a rabbit hole. Replaced all coolant hoses, new Toyota OEM clamps, etc. Reinstalled radiator this morning, added coolant and fired her up, and I’ve got a steady drip coming down the front driver’s side of the engine. I...
  5. Chaldaean

    2011 LX570 Intermittent Coolant Leak - What does this residue indicate?

    My LX570 has ~190,000 and has been losing coolant recently. I noticed that there is coolant residue in the area shown in the photo. Where it is likely leaking from?
  6. HUZZAH

    2013 LC Coolant Leak

    Mud, With the temps in the single digits at night, I’ve been checking for leaks. Noticed my coolant reservoir was low and then noticed some leakage on the driver side frame below the battery this morning before heading out. Where it’s leaking from isn’t obvious and I’ve yet to really get in...
  7. Quick32

    Small Coolant Leak - Unknown Origin

    As the title describes, I have some kind of a coolant leak that I have not been able to identify. I had a new radiator put in about 2k miles ago at 176k. My water pump and TB have been done by the previous owner. There is no obvious leak in the system and no pooling coolant on the ground. I had...
  8. OregonLC

    Throttle Body Freeze Plug? What is this leak?

    2004 LX. Wife came over to help out at our rental today and I smelled coolant. Opened the hood and found this. Fortunately it had just started, no pink in the driveway at home (~1 mile away). As near as I can tell it's a freeze plug that got pushed out. We have had low single digit temps...
  9. kcjaz

    Coolant leak diagnosis

    I have noticed a coolant leak around the transmission after having done a lot of work on my new to me 2015 200. You can see what I've been up to in my Build Thread, but short of it is that I have swapped transmissions and transfer cases and all of the front mounted engine accessories between...
  10. Kentonius

    300,000 mile service recommendations - with coolant leak!

    So my '02 LC has 297k miles on it... and a few drops in the garage of red coolant. From what I can see, it's coming from the front, near the top, probably part of the coolant intake/water pump assembly. With that in mind, knowing the amount of work involved... what does everyone recommend for...
  11. A

    coolant leak during freezing temp cold start

    i saw all the 80 series posts on this, but none for the 100. i recently drove my texas truck to the mountains and left it in a driveway for a few days in the 20 degree weather (with mild snowfall). when it was time to leave, i started it up and started to scrape off the ice on my windshield...
  12. G

    Needing some help with P0171 code

    So, i was able to get rid of this code for 6 months, of course now its back, before i had fixed connector to MAF, both o2 sensors, and rear knock sensor and fuel filter, i got it to turn off for 6 months, now its back, kinda weird tho, I reset it on a hunting trip and it went away for like 200...
  13. B

    Coolant Leak / NLA / Part Numbers Needed

    Hey guys, got some coolant leaks on the pipe from the thermostat all the way back to the firewall. PAIR system has been removed on my '94, so I'm looking to move to the 1 piece solid pipe from the 95+ which I know is now NLA. I know there are a couple other items that are probably NLA so it will...
  14. P

    Massive coolant leak

    Before I start tearing things apart I’ve been trying to pin point the leak but haven’t been able. My guess is the radiator itself that leaks once it gets to operating temps. Cause I found the leak after months and it only needed a gallon. Who has the best OEM prices? Or a link to a decent...
  15. scottm

    Coolant leak behind rear tire?

    This looks and feels like coolant. Could it be? From behind the rear tire? 2021, 67k. I don't yet know the systems on this truck like i did on previous land cruisers
  16. OklahomaOvrland

    Coolant leak from tailgate area

    I hav caught the scent of coolant a couple of times over the last week. This morning I came outside to find this. On further inspection I cannot find any leaks under the truck, just from the tailgate area. I’m pretty baffled. I thought that the rear heater core was only in the center console...
  17. R

    What to do with leak down and compression test results

    Hey fellas. I have a 1996 LX450 and I noticed a had to add a tiny bit of coolant over the past 1000 miles. I couldn't find any leaking hoses, and as far as I can tell it has been running fine. I performed a leak down test on each cylinder followed by a compression test. I did the leak down...
  18. D

    Coolant Leak after recall work (Air Injection Pump & Valve) by Lexus Dealer

    I took my 2011 Lexus GX460 to Lexus Dealer to work on the Air Injection Pump & Valve replacement recall. I also asked them to change engine oil. After the recall work, they have told me my coolant is leaking very badly (9 on a scale of 10). I drove the car from Oregon to Bay Area which is...
  19. austing

    Coolant Leaking into Passenger Footwell & on Front Passenger Mudflaps

    Hey ya'll! I just recently got my 91 Fj80 so I'm new to these forums, new to this truck, and somewhat new to the self-done maintenance stuff. Appreciate any help! So the symptoms I'm experiencing: - Sweet smell after driving - Windows fog up when using the heater - Leaking coolant (green...
  20. Zpas1887

    1hdt 80 leaking coolant from water pump ?

    Hey fellas I have a 1992 1hdt 80 series that has a weird coolant leak near the harmonic Balancer just under the water pump. If I start it up get it hot take it for a drive and bring it back to sit it won’t leak it’s only after I let it get cold start it up for a couple of seconds it starts to...
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