2006 coolant running out quickly

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My Name: Jjb0800

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Model: C3 2002-2005, Original shape model
Year: 2006 (06)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 71200
Trim Level: SX
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
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So the other day I went to check my coolant level, there was absolutely 0 coolant so I topped it up to the max. A week later I checked it again and to my surprise it was fully empty. I have topped it up again to the max and also did not notice any drips of coolant on to the drive and no leaks underneath the car. However, after topping it up to the max level I can hear a bubble every 15-20 seconds is this normal? I have also connected my obd2 device and it came as code p0598. This disappeared immediately after putting in coolant. Do I have a leak somewhere I cannot find?
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My Name: C3CAR

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Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
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Engine name: DV4 16-valve diesel (90 PS)
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Hi

Bubbling is not normal.

No evidence of a leak could well be the head gasket failed. Seems to be quite common on the petrol engines :(
My Name: Jjb0800

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Posts: 38
Joined: Wed Nov 11, 2020 7:37 pm
Model: C3 2002-2005, Original shape model
Year: 2006 (06)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 71200
Trim Level: SX
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
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I've already replaced head gasket ☹ also if my coolant sensor is defective, can that increase consumption of coolant?
My Name: Jjb0800

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Posts: 38
Joined: Wed Nov 11, 2020 7:37 pm
Model: C3 2002-2005, Original shape model
Year: 2006 (06)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 71200
Trim Level: SX
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
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I described it as a bubble earlier but this is inaccurate, it sounds more like for example, topping up engine oil where the neck of the container is being poured bit by bit but at a slower pace, it feels
and sounds like coolant is going into a tank
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My Name: C3CAR

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Posts: 2632
Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Jjb0800 wrote: Tue Jan 18, 2022 4:06 am I've already replaced head gasket ☹ also if my coolant sensor is defective, can that increase consumption of coolant?
Did you refill the coolant following our guide?

tips-for-any-citroen-c3-f8/coolant-t40.html
My Name: Jjb0800

Top Contributor
Posts: 38
Joined: Wed Nov 11, 2020 7:37 pm
Model: C3 2002-2005, Original shape model
Year: 2006 (06)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 71200
Trim Level: SX
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
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Yes I am using the original citroen antifreeze which is blue and ready mixed
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My Name: C3CAR

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Posts: 2632
Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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The actual instructions on how to fill the system are also on the post, maybe a few replies down. The procedure ensures there is no air left which could explain where your coolant topping up is going.
My Name: Jjb0800

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Posts: 38
Joined: Wed Nov 11, 2020 7:37 pm
Model: C3 2002-2005, Original shape model
Year: 2006 (06)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 71200
Trim Level: SX
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
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I have checked level after 24 hours and has gone from max to minimum within a day.
My Name: Jjb0800

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Posts: 38
Joined: Wed Nov 11, 2020 7:37 pm
Model: C3 2002-2005, Original shape model
Year: 2006 (06)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 71200
Trim Level: SX
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
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I see, I had no idea that you cannot just pour it in as air will get in the system, is there any apparatus I can buy instead of using a cut out plastic bottle?
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My Name: C3CAR

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Posts: 2632
Joined: Wed May 04, 2011 10:01 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 140000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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There is a proper Citroen tool shown in that topic, but a plastic bottle is much cheaper and works just as well.

If you didn't fill the system properly, you could easily damage the head by overheating and would need to do the head gasket again.
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