a/c

Questions not related to the fuel type, like Manual Gearbox, Body Work, Lights, Interior trim and Seats, Steering, Brakes, Beeping, Wheels and Tyres to be asked in this topic only.

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My Name: skyman

Top Contributor
Posts: 34
Joined: Sun Mar 22, 2015 12:40 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 115500
Trim Level: Touch
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

Post

hi wondering if anybody can help just got the c3 diesel 1.4 hdi two small problems 1 how do i stop the a/c switching on every time i start up 2 have heard a knocking sound at the front drivers side bottom of the engine had a look and seen what looks like something to do with the a/c will it make a knocking sound if it needs charging. thanks for your help
My Name: Missing Lincs

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Posts: 844
Joined: Mon Mar 05, 2012 9:29 pm
Model: C3 2002-2005, Original shape model
Year: 2004 (04)
Engine Size: 1.1
Fuel Type: Petrol
Trim Level: Desire
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: TU3 (75 PS)
Location: United Kingdom
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Hi skyman.

Can you clarify what you mean when the say the aircon is switching on?

Do you mean the control is on or the aircon works whether it is switched on or off.

A photo of your aircon controls might also help so we can see what type you have.
If at first you don't succeed, destroy all the evidence and pretend you never tried :lol:
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My Name: Arfur Dent

Guru
Posts: 3441
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
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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skyman wrote:have heard a knocking sound at the front drivers side bottom of the engine had a look and seen what looks like something to do with the a/c
Its the Air conditioning compressor and its clutch.
Citroen C3 Air Con Clutch and Compressor location
Citroen C3 Air Con Clutch and Compressor location
The Air Conditioning Clutch on a Citroen C3
The Air Conditioning Clutch on a Citroen C3
skyman wrote:will it make a knocking sound if it needs charging.
No, when mine got weak and needed charging after years of good service, there were no noises.

I don't know what they sound like when completely empty but if its all leaked out you will need more than just a recharge.

It sounds like its damaged.




But make sure its not the crank pulley (TVD) knocking, as this is well known to tap and may turn to a knock if left too long.
Citroen C3 crank shaft pulley TVD knocking sound from engine
Citroen C3 crank shaft pulley TVD knocking sound from engine
see
https://citroenc3owners.com/diesel-citro ... -t290.html
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My Name: skyman

Top Contributor
Posts: 34
Joined: Sun Mar 22, 2015 12:40 am
Model: C3 2002-2005, Original shape model
Year: 2002 (02)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 115500
Trim Level: Touch
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)

Post

thanks for all your help going to get the a/c looked at this week thanks for all your help :)