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Fredofrance
11-04-2018, 05:49 AM
Hi and sorry to bother you all with my car. Just bought it very cheap, and im not that good at cars 😄
When i got back from a ride and open to look at the coolant level, its under minimum and bubbling alot.
Things ive done is:
*smelled the CAP and tank = no gas smelled.
*no white smoke from exhaustpipe.

Going to do:
*Change thermostat tomorrow.
*Locate the leakage
*Flush the heatercore
*Bleed out air if any.

So what can i do more ?

Fredofrance
11-04-2018, 09:15 AM
Update: I filled up the expansion tank again and drove about 10km and checked again, but nu bubbles this time. Sooo....can it just be air inside the system ? And it spits out back into the tank and out in the small plastic pipe on the backside of the tank ?

scaphan
11-05-2018, 01:18 AM
Did you do all the things you had planned? Change thermostat etc? If so then it would be understandable for there to be air trapped still.


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Fredofrance
11-05-2018, 03:54 AM
Did you do all the things you had planned? Change thermostat etc? If so then it would be understandable for there to be air trapped still.


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Hi, yes we changed the thermostat, nothing special with the old one. And the old coolantfluid was bright-red, and no gas smell.

Filled up again and turned on the engine, full fan and max temp....temperature was rising to 90degrees but still no heat...i drove home and i opened the hood, and the expansiontank was pressing out condensed air like hell from the little "escape" plug in the back of the tank.
And after about 10min when it stopped, the tank was on half.

It must be air in the system right ?

Blazius
11-05-2018, 04:21 AM
Hi, yes we changed the thermostat, nothing special with the old one. And the old coolantfluid was bright-red, and no gas smell.
But when i got home, i open the hood and the expansiontank was pressing out condens like hell, after 10min its stopped and the tank was half again. Im gonna bleed out the air from the hose later today...

I am pretty sure the bubbling , flowing back to coolant tank is normal when the engine is hot, that is what the tank is for.

scaphan
11-05-2018, 05:28 AM
Did you loosen the heater matrix pipe and use the little hole in it to bleed the system? Did you put the heat on full before bleeding?

If you took the expansion bottle cap off when the engine was warm then water will pour out since the system is under pressure.


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Fredofrance
11-05-2018, 06:34 AM
Did you loosen the heater matrix pipe and use the little hole in it to bleed the system? Did you put the heat on full before bleeding?

If you took the expansion bottle cap off when the engine was warm then water will pour out since the system is under pressure.


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Hi. Im going to Bleed the system through the little hole tomorrow, im at work now.
Yes i had it on full heat and full speed on cabin fans...

scaphan
11-05-2018, 06:54 AM
Okay. I would keep bleeding until the water runs without bubbles. Put the filler cap on first.


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Fredofrance
11-05-2018, 07:03 AM
Okay. I would keep bleeding until the water runs without bubbles. Put the filler cap on first.


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Will do that.
A friend of my at work says maybe it is the waterpump? Shouldnt the temp go over 90 if the wp is boken ?

/thanks

scaphan
11-05-2018, 07:05 AM
Is the WP leaking? When was it last changed? It should be changed with the timing belt. If it was changed recently then unlikely.


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Fredofrance
11-05-2018, 10:58 AM
Is the WP leaking? When was it last changed? It should be changed with the timing belt. If it was changed recently then unlikely.


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No leak from or around wp, timingbelt was changed at 18500km now its at 24000km

- - - Updated - - -


No leak from or around wp, timingbelt was changed at 18500km now its at 24000km

I dont know if the wp was changed at the same time though

scaphan
11-06-2018, 12:04 AM
Then I would bleed properly and see what happens.


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Fredofrance
11-06-2018, 12:43 AM
Yeah, i will do that before i go to the work.

Fredofrance
11-06-2018, 04:31 AM
Update: I tryed to bleed the for about 10mins, but no air or water at all, when i squeeze the radiatorhose it puffs up air from the "bleedhole" but no water. Can it be so much air in it so i can get this results ?

I dont think the waterpump is broken, engine temp comes up to steady 90C
Can i "prefill" the hose in to the core with water and kinda help the system?

strange...

scaphan
11-06-2018, 11:28 AM
Yes it takes ages. Helps to unscrew the filler tank and raise it up in the air to get bubbles to come out until the water gets hot. Keep filling to the max. You canít over fill it. Then close the cap and open the hole by the heater matrix until water comes out. Keep going until thereís water shooting out the little hole then youíre done. If no water then keep waiting with the engine idling. Keep an eye on the water temp. Shouldnít go above 90.


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Fredofrance
11-07-2018, 02:04 AM
Yes it takes ages. Helps to unscrew the filler tank and raise it up in the air to get bubbles to come out until the water gets hot. Keep filling to the max. You canít over fill it. Then close the cap and open the hole by the heater matrix until water comes out. Keep going until thereís water shooting out the little hole then youíre done. If no water then keep waiting with the engine idling. Keep an eye on the water temp. Shouldnít go above 90.


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Hi, i backflushed the core, and yeah thats alot of gunk that was inside. Bleeded the aux hose through the little hole. It took good 10-15min to get a even stream of coolant, i clamped it and runned at idle...the temperature was rising very slowly. But in/outlet hoses has almost same temperature.
But i noticed 1 thing, the big fat radiator hose is not warm and gurgling after i shut down the engine, only about 1cm from the clamp, then its getting colder. ?

I got warm air in the car, but is it normal to have very warm expansiontank ? The small return hose delivers hot so...
As you see im not that good at cars :)

Fredofrance
11-07-2018, 05:36 AM
Hi, i backflushed the core, and yeah thats alot of gunk that was inside. Bleeded the aux hose through the little hole. It took good 10-15min to get a even stream of coolant, i clamped it and runned at idle...the temperature was rising very slowly. But in/outlet hoses has almost same temperature.
But i noticed 1 thing, the big fat radiator hose is not warm and gurgling after i shut down the engine, only about 1cm from the clamp, then its getting colder. ?

I got warm air in the car, but is it normal to have very warm expansiontank ? The small return hose delivers hot so...
As you see im not that good at cars :)


Update: I drove my car to work and open to look at coolant level. And its spitting back alot from the return hose. ...more air maybe ?

scaphan
11-07-2018, 07:08 AM
Yes. Did you bleed until water came out the heater matrix hose hole?


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Fredofrance
11-07-2018, 08:06 AM
Yes. Did you bleed until water came out the heater matrix hose hole?


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Hi, yes i did. But i think its more air inside the system.
THe radioatorhose is cold, but hot at the clamp ?!(Manifold is hot)

scaphan
11-07-2018, 10:37 AM
Eh? Both hoses (top and bottom) at the radiator should be hot. Are yours not when you are at 90 degrees? If not then youíve got an air lock still.


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Fredofrance
11-07-2018, 12:07 PM
The top hose is not hot at all, if i squeeze it i can feel the flow but it feels like it burps the water...im at work now so im gonna take some other hoses with me, i had to cut a 16mm hose to make it fit....its 19mm in/outlet, so i got a 19mm now. Gonna try it again tomorrow.

scaphan
11-07-2018, 12:09 PM
How long did you run the engine while burping? 30 minutes?


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Fredofrance
11-07-2018, 12:20 PM
About 15min when i drove from my home to work. I noticed that when i opened to watch the coolant level.

scaphan
11-07-2018, 12:25 PM
Okay but burping and driving are two different things. Donít drive it.

You need to sit at idle with the cap off and wait for the water level to drop down and pour more water in until the max. Keep pouring to keep it at the max. At some point it will start to suddenly overflow. At that point close the cap and open the heater matrix pipe. Keep the engine running until water flows there and then close. Keep an eye on the temp gauge it shouldnít go above 90. Wait until the engine cools down and check the water level again and top up if necessary.

Then drive it.


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Fredofrance
11-07-2018, 12:29 PM
Oh ok, i will do that tomorrow then, should i flush again to be sure ?

scaphan
11-07-2018, 12:30 PM
If you want. But flushing is done before burping. If youíve flushed and the water has run clear then donít bother flushing again.


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Fredofrance
11-08-2018, 01:31 AM
What is the symptons for a bad headgasket ?

scaphan
11-08-2018, 01:32 AM
Water in the oil or oil in the water.


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Blazius
11-08-2018, 01:37 AM
Also massive smoking from the exhaust :D

Fredofrance
11-08-2018, 01:43 AM
ok, i dont have water in oil or oil in water, and just the "regular" smoke from exhaustpipe.
Gonna go out soon and try to get more air out the system

Fredofrance
11-08-2018, 04:22 AM
So i had cap open but the temp is so slow. Hoses gets hot and in/outlet hoses almost same warmth, did the bleeding, was alot of air left. And then it squirted right up about 1 meter, so I think i have pressure. But its very slow to get to 90c ...

Fredofrance
11-08-2018, 04:24 AM
Im gonna take it for a ride now, and im gonna watch the temp and coolant lvl to.

scaphan
11-08-2018, 05:26 AM
So i had cap open but the temp is so slow. Hoses gets hot and in/outlet hoses almost same warmth, did the bleeding, was alot of air left. And then it squirted right up about 1 meter, so I think i have pressure. But its very slow to get to 90c ...

Do you mean it squirted from the heater core pipe? If so good.


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Fredofrance
11-08-2018, 06:39 AM
Yeah, from the matrix "hole", and i drove it for about 10 min, slowly comes up towards 85-90C and no heat, at almost at 90 its produced warm air, but just for about 1min. The it cools down again, and i got that overpressure in the tank and almost overflows the tank and some "gurgling" sound from the heatercore when i listen from the vents inside of the car.
Sooo...

1. How do i know if waterpump is defekt ? Shouldnt the fluid flow around the system ? I got pressure from matrix hole, and i got pressure back to the expansion tank.
2. Can the radiator be clogged? Upper/lower rad hoses has almost the same temperature.

Im off work tomorrow so im gonna look up it more.

Thanks again for helping out.

Fredofrance
11-08-2018, 07:05 AM
I noticed 1 thing. When I have the fans at max its sounds like a small stone or something is loosen inside! Can it be some sort of vent flaps that doesnt open ?

scaphan
11-08-2018, 01:30 PM
Check the heater matrix pipes. They should both be hot. Did you back flush the heater matrix as well as flush it? If it isnít overheating and both radiator hoses are hot then I suspect the water pump is fine.

Did you have a cabin heat issue before you started the work?


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Fredofrance
11-08-2018, 02:56 PM
Check the heater matrix pipes. They should both be hot. Did you back flush the heater matrix as well as flush it? If it isnít overheating and both radiator hoses are hot then I suspect the water pump is fine.

Did you have a cabin heat issue before you started the work?


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I did a backflush first, then a flush. Filled up with coolant, cap of and idle it and filled up. Then bleeded the matrix hose, was still air inside until a nice 1 meter coolant stream comes out :) closed the hose with clamp.

Yes i had cabinheat issue before.

1 other thing i noticed, when i tighten the cap on expansion tank, its turning nicely halfway, but the rest its very heave to turn. Can it be the cap or maybe the tank that is damaged from the heat ?
Same when i open the cap its very har to turn at the beginning..

Fredofrance
11-08-2018, 02:59 PM
I did a backflush first, then a flush. Filled up with coolant, cap of and idle it and filled up. Then bleeded the matrix hose, was still air inside until a nice 1 meter coolant stream comes out :) closed the hose with clamp.
Both hoses (matrix) is warm, radiator hoses upper/lower is warm.

Yes i had cabinheat issue before.

1 other thing i noticed, when i tighten the cap on expansion tank, its turning nicely halfway, but the rest its very heave to turn. Can it be the cap or maybe the tank that is damaged from the heat ?
Same when i open the cap its very har to turn at the beginning..

And the temperature is barely moving after 20mins idle, when i turn the engine off, i got the overpressure in the tank.

scaphan
11-08-2018, 03:07 PM
Yes I have that too. I suggest back flush the heater core and make sure there is good flow and see what comes out. However a heater core replacement is a nightmare. Whole dash and centre console out...maybe leave it alone if it gives you some heat. Is it a for ever car?? If not maybe suck it up...?


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Fredofrance
11-08-2018, 03:23 PM
Im going to try a used cap tomorrow..im going to a junkyard, maybe i get a expansiontank to...it cost almost free maybe £3-£4

scaphan
11-08-2018, 11:45 PM
Why? Do you think the water is coming out of the cap? Is the cap faulty?


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Fredofrance
11-09-2018, 01:17 AM
I have read about ppl who has changed the cap beacuse of the "filterthing" thing is not operating well.

Fredofrance
11-09-2018, 02:53 AM
So i followed the hard pipe towards the matrix hoses, and i found this U-Clip..removed it and saw pieces was gone from the housing....can air be sucked in and cause the overflow ?
https://imageshack.com/i/pnBFU00Yj

And a picture och expansion tank...
https://imageshack.com/i/plU5OKcUj

Fredofrance
11-09-2018, 03:03 AM
Its the coolantflange right ?

Fredofrance
11-09-2018, 04:09 AM
I found this on the web...i got 2 plasitc pipes upwards, 1 for coolant and 1 for some sensor.

https://imageshack.com/i/plHzB4jkj

Fredofrance
11-09-2018, 04:19 AM
Can the coolantflange suck air inside and "block" all of this....its kinda cheap to but its a pain to change when i see the youtube videos

Blazius
11-09-2018, 04:29 AM
What do you mean block all of this ? If something wouldnt seal tight you would be dripping coolant too.

Fredofrance
11-09-2018, 05:16 AM
What do you mean block all of this ? If something wouldnt seal tight you would be dripping coolant too.

I mean if its because i got the overpressure in the expansiontank if the flange sucks air...

Fredofrance
11-10-2018, 12:57 PM
One other thing, the temperature take about 15min at idle to even starts to move at all.
When it comes up to 90, it stays there so probably its working and prevent overheating.

Its a new thermostat and no leakage.

Fredofrance
11-11-2018, 06:30 AM
Can the new thermostat be faulty ? since the temperature takes ages to show on the gauges.

Ryanic
11-12-2018, 07:40 AM
Can the new thermostat be faulty ? since the temperature takes ages to show on the gauges.

I've found our cars take awhile to warm up, especially just idling. 15 Minutes idling doesn't seem unreasonable.

If replaced your thermostat recently then its most likely good (Yes a new thermostat can fail or be faulty out of the box though, which is why its nice to put it in some boiling water first to see if it works).
If your car comes up to temp 90C and stays there while driving in cold weather (<40 degree Fahrenheit) then it should not be your thermostat. If it comes up to 90C while idling and then your gauge goes down while driving you have a bad thermostat that's stuck open or failing to close properly

You can also use the secret climate control menu by hitting the up fan direction and the recirculation Button at the same time. This will display a 1C on your climate control. Use the up and down temperature buttons to go to 49C and then hit the recirculation button to select 49C. This will tell you your actual coolant temperature.

Fredofrance
11-12-2018, 10:32 AM
I just measured my Coolant Temperature Sensor.
Cold = 2,8kOhm (should be around 2kOhm at 20C Celsius)
Warm = 1,4kOhm (should be 200Ohm-300Ohm at 80-90C)

I think i must change it :P

Fredofrance
11-13-2018, 10:10 AM
Update again, i changed the Coolant Temperature Sensor and the Coolant Flange. The change went well and i filled up with coolant and started again.
It took about 5-10 mins and it was up to 90C, but no hot air.
Opened the matrix hose and bled the system. Sill no heat, i think its more air inside.

And upper/lower radiator hoses are about 35C.

After a while the gauge was about 110C, but 85 with a lasertemp at the tempsensor hose ?!

Fredofrance
11-15-2018, 12:06 PM
How do i know if the waterpump is broken ? i dont wanna change it if its not faulty.

Other of my friends says headgasket, but i dont have those symptoms.

Ryanic
11-15-2018, 12:22 PM
Okay so you've changed,

Thermostat,
CTS,
Coolant Flange.

Engine gets up to 90C while idle, and stays 90C while driving? Or is it still showing 110C after awhile. 110C is way too hot....
What does the climate control menu say 49C (See my previous post about how to do it) when the car is fully warmed up

Bleed bleed bleed. You've opened the system in many different places now. Make sure ALL of the air is out. This can take many different methods to accomplish over a couple days. Have you ONLY bled from the heater core hole? On the 2.8 There is an allen bolt bleed spot on the front of the engine... Not sure about the 1.8. Bleed from all of the different places the 1.8 allows you to do so.

Is the car still bubbling and spitting coolant out the overflow hole of the expansion tank?

Is the system getting pressurized? Do you hear any gurgling from the heater core when reving the engine and taking your foot off the gas?

Fredofrance
11-16-2018, 08:31 AM
Hi Ryanic, when the car is idle i got 90C+ after maybe 5-10 mins.


I think i have an bleed spot on the hardpipe, and one beside the coolant temperature sensor.

I think i have heard small gurgling from the heatercore the other day when i switched from HI to LO.
I have removed the glove compartment just now and looked at the flaps, it seems ok the arms are moving.

Todo tomorrow:
*Check the Climate Control menu.
*Bleed, bleed, bleed.

Thanks again.

Fredofrance
11-20-2018, 02:18 AM
So i have idle the car and went into the menu 49C, its a little slower than the gauge...i turned it off when the 49C read 100C, strange part is that i dont have none of the 2 hoses into/from the heater core hot now...i did not had the time to bled today.

It must be more air ?

Fredofrance
11-20-2018, 10:45 AM
One other thing. When it was 100c and turn the car off, I have about 75-80c after 2minutes. ..