3S-GTE Coolant Leak - Toyota Nation Forum : Toyota Car and Truck Forums

forumboarder154 · 01-03-2011, 08:46 PM

I have a coolant leak is the red region and I was wondering if there is any other spots it can leak from besides the 2 sensor spots. It doesn't leak around the top sensor. It is eather the cold start sensor and it is more of a spray. It only sprays when I have been on the highway for around 30 miles with the rpms around 3500.

***MR2Jedi*** · 01-03-2011, 09:50 PM

There's also the coolant hoses for the turbo in that area.

forumboarder154 · 01-04-2011, 06:02 PM

Thanks Jedi. PM sent. I appreciate it man. Also I love your car it is putting down good numbers. I am new to this MR2 and just trying to get things figured out. I usually fool around DSM's, but I really love this MR2. I think I might have possibly bled it wrong also. Would air in the system cause higher pressure in the coolant system and cause it to leak?

***MR2Jedi*** · 01-04-2011, 06:35 PM

Quote:

Originally Posted by forumboarder154

Thanks Jedi. PM sent. I appreciate it man. Also I love your car it is putting down good numbers. I am new to this MR2 and just trying to get things figured out. I usually fool around DSM's, but I really love this MR2. I think I might have possibly bled it wrong also. Would air in the system cause higher pressure in the coolant system and cause it to leak?

If you've got air in the system, it can cause overheating and then higher pressure.
There are several threads on the bleeding proceedure here. It's not that bad, just have to repeat steps over and over to get out all the air.
It's important to bleed the radiator via the air **** on the top driverside and thru the valve on the heater hose in the front trunk(frunk).
It also helps to jack up the rear of the car to send the coolant forward to the radiator.

Russell D · 01-07-2011, 11:24 PM

There are a lot of places there it can leak...when I installed my new motor I had a coolant leak from that area and it turned out one of the bolts stretched or was accidentally swapped with a different one and the bolt bottomed out before it was tight so it didn't seal. I doubt that's your problem.

The best thing to do would be wash the area down and let it dry, then start it up and watch where it's coming from