Coolant Temp Overheating

[X5SHARMA]

Originally Posted by SlickGT1

Nah. Key in position 2, heat at 90, slowest fan speed. I can actually hear the pump, and hear it circulating water. It will do this as long as your battery has juice. So ridiculous easy to bleed system fully without anything special. Never had an issue.

Update:

So finally I bled the system and it started pouring out clear antifreeze through the bleed hole. I filled a gallon of antifreeze and then also went through almost a gallon of water feeding it slowly through the expansion tank. Once it started flowing through the expansion tank I stopped the process.

Speaking of juice I got back in the car and it was dead.

I jumped the car and then let it warm up - it did not overheat. Unfortunately I saw some steam coming out of the hood. Opened up and I saw that there was coolant leaking from the bleeder screw despite it being tightened.

any suggestions before i do anything else?

[TerminatorX5]

take a look at the exhaust - does the smoke "steam"? you might have an internal leak of the coolant into the engine... if the car "steams" the internal leak might be an issue...

otherwise - the are airpockets... one of the burping procedures involved rolling the front of the car on a curb and doing the burping procedure several times... even after doing that, there still might be air bubble somewhere in the system, and as it travels around the system, it burps... even after it looked like it already burped once or twice...

[Elvis 3.0]

you should order and install a new bleeder screw and expansion tank yesterday. Meaning at the very least get a bleeder screw immediately and order an expansion tank and just replace it. I apologize if you wrote that you had already done so, but if you did I overlooked it.

From the year of your X if you are not sure about the battery I'd go ahead and replace that now. I just went through a battery fiasco that you can review the thread if you like but here are the take aways for you-

1) If you are purchasing the battery from auto parts store and you do not have a charger I would strongly recommend purchasing the battery and having the store charge the battery for four hours (no matter what the charge says) prior to installing ( read X_Mesiter's thread).
2) you may want to get the 9v cig charger to potential avoid any dash lights during the swap
3) lastly remember that the electrical will be off after the battery is out so don't close the trunk gate/lift.

Anyway the bleeders fail and due to the pressure in the system even a .000004mm gap in the thread could cause trouble.

[X5SHARMA]

Yah I checked the exhaust it was normal as it would on any given day but the steam was definitely the antifreeze and I only drove it around the block to warm it up a little. I noticed that it was leaking out and once I popped the hood I saw it was leaking out of the bleeder screw assuming its touching something to heat it up and create the steam. What is burping? I will def order new bleeder screws and the expansion tank was just recently changed before this whole new ordeal. The battery hasn't given me any issues besides this now for sitting bleeding the system but I will definitely look into that and see if I can get it changed at the shop. I'm hoping this resolves the matter but will keep you guys posted. Appreciate the help.

[X5SHARMA]

Will be installing new bleeder screw - make sure its on not too tight and then leave the expansion tank open and start the engine with the normal procedures - saw this video also so will follow through and hopefully its nothing else.

Bleeding the air out.wmv - YouTube

I was concerned about driving with it overheating but I had pulled over immediately as soon as the warnings came on and I noticed it going into red. While crawling back I only drove about a half a mile before it would go up to red and let it cool at least 5-10 minutes in between and at times more wherever it was safe to pull over. I hope there is no engine damage as it seemed to be running fine when i took it for a test drive around the block.

Once this is done I am going to the local Autozone to get a read out and will post the findings here. Was hoping to drive it over to New York once this is done but I want to make sure its proper before I take a risk.

thanks again

[X5SHARMA]

Alright so i've followed all the bleeding procedures.

Truck was cold when I started so it took approximately 10-15 minutes to come up to proper temperature. I have uploaded 2 videos to youtube and checkout the link. At first I would say it took some time for the expansion tank throwing out coolant inside. Every so often the bleed screw and the expansion tank would let out coolant as if breathing.

After running this process for 25 minutes the coolant expansion tank had stopped letting out coolant shooting through. This entire process ive had the bleeder screw on.

The fan was set to the lowest point and set to 90. Once the gauge reached the middle temp it was hot in the car so the heater is working.

Now my question is that do I need to keep doing this to get all the air out? The bleeder screw is still spewing bubbles out and a little bit of coolant. I drove around the block and the engine sounds good - its shifting well but I have not taken it on to the highway yet because I am not sure if thats gonna put a lot of strain on that bleeder screw. Once parked I opened the hood up again and checked the bleeder screw - thats the second video of it spewing out bubbles and coolant.

Please tell me if you think this may be another problem. There is no leak from anywhere else. I am wondering if the hose that has the bleeder screw may have bad threads on it. But then again the old bleeder screw looked good and so did the washer on it. Again all of this is fairly new within the last 3 months. I am sure when its cold again the coolant level should drop from the amount it threw out but that I can fill again or just do a total flush again but I want that air out and im wondering why there is still air coming out of the screw.

Bleeding
BLEEDING X5 - YouTube

Post Bleeding
POST BLEEDING - YouTube

thanks

[SlickGT1]

Keep the expansion tank filled up. Is the bleed screw still open that it keeps spewing the coolant?

I see your setup is different than mine. You can't bleed system with engine off? Either way the system needs to pressurize, so top off fluid, close cap and bleed screw. Take a drive and see if it over heats.

Let it cool, pop bleed screw, you should hear air. Close it top off fluid.

[X5SHARMA]

Yah it's a 3.0. Did you get a chance to see the videos? The bleeder screw is closer and I'm debating whether I should now throw in coolant or water? Because I have already gone through a gallon of the Preston and water. But I'm also losing alot with it spewing out. Should i fill it up with water and then Should I drive it a bit and then open up the bleeder? I have also not done this on an incline. The screw is new and there was still bubbles and coolant coming out of there. It comes out in intervals. Also when I unscrew it should I leave space or remove the entire screw? Because it keeps throwing out coolant. The reason I didn't do it with the car off is because I didn't want battery to die and the other video I posted showed car on.

[X5SHARMA]

Ok so now topped off with a little bit of water. The indicator showed that coolant is topped off well but I got my check coolant sign again so it might need a little more coolant. I have some bmw coolant now so I may top it off with that. Drove it around locally for a few until temperature gauge was to middle. Did not go past that and heat was hot inside.

Parked the car jumped out - checked under the hood - no leak. Gave it a few minutes to cool down and turned the bleed screw. A little bit of coolant came out and then bubbles and shooting out some air and coolant and then stopped.

Waiting for it further cool down and will top it off with coolant and then take it for a longer drive to test out the function.

I am still worried that originally my hose popped off on the highway. any suggestions on why that would happen? I am pretty sure when I installed it, it was in tight and had not given me trouble for quite some time. That hose was installed under 4 weeks and have driven a minimum of a couple hundred miles on it.

[Skyline]

Originally Posted by X5SHARMA

Yah it's a 3.0. Did you get a chance to see the videos? The bleeder screw is closer and I'm debating whether I should now throw in coolant or water? Because I have already gone through a gallon of the Preston and water. But I'm also losing alot with it spewing out. Should i fill it up with water and then Should I drive it a bit and then open up the bleeder? I have also not done this on an incline. The screw is new and there was still bubbles and coolant coming out of there. It comes out in intervals. Also when I unscrew it should I leave space or remove the entire screw? Because it keeps throwing out coolant. The reason I didn't do it with the car off is because I didn't want battery to die and the other video I posted showed car on.

Are you using regular green Prestone? If so, you really should flush the whole system and fill with the proper mix of BMW blue coolant and distilled water.