Coolant issue

Questions specifically about a Petrol powered Citroen C3 (usually engine or fuel related problems).
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My Name: Jshjosh

Member
Posts: 4
Joined: Tue Sep 13, 2016 10:00 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 (8v)
Fuel Type: Petrol
Mileage: 86000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

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Hi all, ever since I changed the coolant I've had nothing but issues.
I bled the system and the car ran fine for a few days then all of a sudden at a set of lights temp went up and smoke started coming out, later found a coolant leak near the thermostat metal housing onto the cylinder head, managed to seal the leak with some sealant I have, the car runs fine still got power etc and no smoke, however the temp gauge won't move at all after driving for about 15-20mins, I'm worried as I don't want to damage the cylinder head and end up with a nice repair bill! Any easy ways to tell If the coolant Is doing its job and still keeping the engine at a good temp?
Cheers josh (by the way there's no discolouration in the coolant still red and not any loss)
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My Name: C3CAR

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Posts: 2634
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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Been thanked: 90 times

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It sounds like you have an air lock.

Fix leaks by replacing the gasket, seal or worn part, sealants are a very temporary solution.

The C3 takes a special coolant and there is a topic on this coolant and how to refill the system without air locks in this C3 coolant topic (here)
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