1.4 HDI Corrugated Coolant Pipe Leak

Questions specifically about a Diesel powered C3 (usually engine or fuel related problems)
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My Name: danieldemain

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Posts: 31
Joined: Wed Jan 15, 2014 7:22 pm
Model: C3 2006-2009, Facelift model
Year: 2007 (07)
Engine Size: 1.4 (8v)
Fuel Type: Diesel
Mileage: 80000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No
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I have a coolant leak from the corrugated pipe behind the engine which runs from the water pump to the thermostat housing. I have obtained a new pipe has anybody experienced fitting the new pipe and problems encountered.
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My Name: C3driver52

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Joined: Sat Apr 30, 2011 7:40 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 79984
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
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Hi danieldemain

Did you get the pipe fitted ok?
My Name: danieldemain

Top Contributor
Posts: 31
Joined: Wed Jan 15, 2014 7:22 pm
Model: C3 2006-2009, Facelift model
Year: 2007 (07)
Engine Size: 1.4 (8v)
Fuel Type: Diesel
Mileage: 80000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No
Been thanked: 1 time

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No probably next month bit of a leak I've put rad stop in system. Any hints very much appreciated.
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My Name: C3driver52

Guru
Posts: 1853
Joined: Sat Apr 30, 2011 7:40 pm
Model: C3 2002-2005, Original shape model
Year: 2003 (03)
Engine Size: 1.4 i
Fuel Type: Petrol
Mileage: 79984
Trim Level: VTR+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
Has thanked: 85 times
Been thanked: 65 times

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danieldemain wrote:No probably next month bit of a leak I've put rad stop in system. Any hints very much appreciated.
I have not had to change that bit, but here are the hints and information that I have on coolant hoses.

Before you start, its worth draining down the cooling system to save splashing the coolant around and it getting into places it shouldn't. Drain down by removing the lower radiator hose clip and catch it in an old washing up bowl. You may need to replace the clip, its worth having some spare ones to hand. There are an Assortment of Hose Clips. Stainless steel is best, BZP is cheaper.


Refilling the system.

Its best to use new coolant, unless it has recently been changed. There is a topic here, on the right coolant to use on the C3. There is also information in that topic about creating a header tank to ensure the air is expelled wile filling the system.


I find the C3 Haynes manual really useful to read before a job like this. If you are taking things apart, it can be a help to take photos along the way to help see how it goes back together.

Its also worth considering doing other jobs at the same time if they are near due and they cross over. For example, if you need to remove the air filter box to get to a part, factor in fitting a new air filter. Saves doing things twice.


Here are some pictures, thanks to RC3D for taking them when he had his C3 1.4 8v engine out for an overhaul.
Coolant hose citroen C3
Coolant hose citroen C3
Citroen C3 Corrugated plastic hose
Citroen C3 Corrugated plastic hose
Citroen C3 hose connections rear of engine
Citroen C3 hose connections rear of engine
Which give you a view you can only see with the engine removed - priceless ;)
My Name: danieldemain

Top Contributor
Posts: 31
Joined: Wed Jan 15, 2014 7:22 pm
Model: C3 2006-2009, Facelift model
Year: 2007 (07)
Engine Size: 1.4 (8v)
Fuel Type: Diesel
Mileage: 80000
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No
Been thanked: 1 time

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Thanks for the photographs looks like a 5 minute job and a bit of swearing. Thank You.
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