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Maintenance and Repair Tips and Procedures.	Please Login with username OR Register to enjoy additional Member Benefits

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[Announcement]
General Repair Costs Guide PentlandC4 wrote ...I've been wondering whether a thread devoted to repair costs might be useful- i.[more ...] By Dave_Retired. On Thu Feb 09 2012, 01:14am Goto page: [ 1 2 3 4 ]

76507

iscom
Fri Oct 18 2019, 07:39am

[Announcement]
Chinese 'Clone' Lexia Doesnt Work for You - an Alternative Posted over at C6owners, but related to the C4 range.gmerry wrote ...Hi all, for some Lexia is a poo[more ...] By Dave_Retired. On Thu Dec 04 2014, 07:21am

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18044

[Announcement]
Citroën Fixed Price Repair Offers (Revised) We are all aware of the fixed price offer on Brake pads and discs, timing belts etc. but there is a [more ...] By Dave_Retired. On Thu Mar 08 2012, 08:49am

23527

wilcovh
Thu Jul 17 2014, 05:17pm

[Announcement]
DPF Removal and EGR Valve Blanking There has been lots of posts on the merits or otherwise of removing the DPF and/or Blanking the EGR [more ...] By Dave_Retired. On Sat Jun 14 2014, 11:51am

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18164

[Announcement]
Tyre Size - the differences they make Added a Tyre Size Differential Calculator back on site: - Click Here - so you can play around with[more ...] By Dave_Retired. On Mon Mar 31 2014, 07:20am

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17299

[Announcement]
Citroen Peugeot recommend oils and the alternatives Whilst PSA recommend Total Oil, there are others available from, Shell, BP Castrol, Esso, Mobil, Yac[more ...] By Dave_Retired. On Wed Mar 26 2014, 02:32pm

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21303

[Announcement]
Customer Recall Website Citroën are pleased to announce the launch of a brand new and free service for customers, which[more ...] By Phil On Thu May 10 2012, 04:31am

20482

Dave_Retired.
Thu May 10 2012, 05:18am

[Sticky]
Tutorial: 1.6HDi - How to remove and replace auxiliary drivebelt Peugeot Citroen Hello!I am glad to present you another tutorial: How to remove and replace auxiliary drivebelt Peuge[more ...] By adioperator On Wed Oct 22 2014, 05:33am

21377

Zapaction99
Sun Sep 12 2021, 10:12am

[Sticky]
C4 with EGS - Fixed the juddering when taking off This weekend was spent calibrating the EGS gearbox. I recently talked to the garage about the judder[more ...] By Lars of Sweden On Mon Jul 19 2010, 04:10am Goto page: [ 1 2 3 ]

88133

LTL
Sat Jun 19 2021, 10:42am

[Sticky]
Oil advice and recommendations from oilman C4owners has invited us to start an "oil recommendations" thread here... so if you would like any oi[more ...] By oilman On Wed May 12 2010, 09:26am

21276

TriumphGuy
Mon Sep 04 2017, 07:00am

[Sticky]
DPF (EOLYS) Fluid Pouch Replacement Been advised by my on board dash .....Fluid level critical.Out of curiosity I had a look it's a pouc[more ...] By Crouchy On Fri Mar 14 2014, 03:42pm

36178

trev h
Fri Jul 21 2017, 03:40am

[Sticky]
C4GP DPF System Failure - Solved. I own a 07 plate C4GP with around 120,000 miles on it, and apart from an airbag failure around a yea[more ...] By apollojones On Sun Aug 02 2015, 04:09am Goto page: [ 1 2 ]

44037

Johnboi79
Tue Jun 06 2017, 01:15pm

[Sticky]
The old - my passenger side electric window won't move problem - a fix! I have a C4 2007 5 door hatch 1.6hdi SX EGS. Recently the passenger window would only wind down from[more ...] By DeuxChevaux On Wed Mar 05 2014, 09:55am

20885

geirars
Sun Nov 20 2016, 02:11pm

[Sticky]
Find the correct oil for your Citroën This website will tell you the correct oil for your car's engine. - Click Here - Enter either your[more ...] By BigJohnD On Wed Sep 25 2013, 06:46am Goto page: [ 1 2 ]

49346

routemaster1
Fri Mar 11 2016, 10:36am

[Sticky]
How to prevent injector seal failure and turbo failure on 1.6HDi engines. I have been researching this as it seemed to be a common issue and injector seals are not a part tha[more ...] By JohnC4GP On Wed Feb 05 2014, 07:50am

32690

andyste1
Tue Mar 17 2015, 02:57pm

[Sticky]
How To start your Car using a booster battery from another car Hello,Here we are with another video tutorial: Jump Strarting a car using a booster battery from ano[more ...] By adioperator On Mon Jan 19 2015, 09:44am

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[Sticky]
How To Clean / Maintain Battery, terminals and connector clamps Hello,Here we present a totorial about "How To Clean / Maintain Battery, terminals and connector cla[more ...] By adioperator On Mon Jan 19 2015, 03:46am

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16513

[Sticky]
Weekly checks on a Citroen C4 Hello Citroen C4 Owners,Here I present a project about weekly checks on a car. There are some very s[more ...] By adioperator On Mon Jan 19 2015, 03:34am

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18075

[Sticky]
A new glove box repair procedure. Good day FolksI have recently just broken my glove box latch for the second time. This can get expen[more ...] By Zedd On Wed Aug 07 2013, 05:58am

21797

DeuxChevaux
Thu Oct 16 2014, 02:30am

[Sticky]
The Reason Why CV Boot Clamp Failure is Common I own a 1.6 HDi Loeb but this information will apply to all models sharing the same driveshafts and [more ...] By thetwistedsock On Thu May 15 2014, 03:58pm

18822

Grumpy GrandPa
Sat Jun 07 2014, 08:01am

[Sticky]
Turbo Replacement - parts used Well just had my 1.6hdi returned today after having new turbo installed at a cost of €1630. List of [more ...] By Philm9394 On Thu Feb 27 2014, 01:10pm

38119

Dave_Retired.
Wed Mar 12 2014, 04:51am

[Sticky]
How to remove and install a clutch Right i assume you have the drive shafts out and oil drained1. Take all the bell housing bolts of f[more ...] By C4paulC4 On Sun Dec 08 2013, 06:06am

19554

Dave_Retired.
Tue Dec 10 2013, 01:14pm

[Sticky]
Radio, sat nav, speedo, parking sensor repairs I recently had all these faults on my C4 Grand Picasso, Citroen quoted £2000 for the repair, so I ca[more ...] By akascotty On Fri Mar 01 2013, 01:05pm

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17705

[Sticky]
Solid flywheel conversion kits hi could anyone point me in the right direction as to where i cant buy a solid flywheel conversion k[more ...] By jonny1979 On Thu Feb 28 2013, 04:55am

20679

Commodore
Thu Feb 28 2013, 07:15am

[Sticky]
Looking for a 'Sensor' of any kind for your Citroen? For a full range of replacement senors from ABS, Air Con Blower through to Lambada Temperature or Th[more ...] By Dave_Retired. On Fri Feb 01 2013, 09:49am

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17445

[Sticky]
Tailgate Wiring Loom Repair Teardown, Repair and Rebuild I've just put together some notes that may be helpful for anyone with the dreaded tailgate cable fat[more ...] By dilbert On Fri Jan 11 2013, 04:55am

19422

DeuxChevaux
Sat Jan 26 2013, 04:55am

[Sticky]
C4 HDi's and Dual Mass Flywheels - when should you replace one? OK if you read the FAQ: HERE it explains how the DMF works.Please Note: Petrol C4's of all variants[more ...] By Dave_Retired. On Thu Jan 24 2013, 11:24am

21982

Bin-The-L-Plates
Sat Jan 26 2013, 03:30am

[Sticky]
Plastic Trim Clips and where to buy them? We often get asked 'where can I get **** trim clip' and the answer is usually 'a dealer'However ther[more ...] By Dave_Retired. On Wed May 16 2012, 02:01am

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18188

[Sticky]
Repair plastic 100% success Hello my friends I have just come across a product that's amazing when it comes to repairing broken [more ...] By niks On Tue Mar 13 2012, 02:52am

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18062

[Sticky]
Faulty Engine ECU - Repair Options Hi all. ECU Doctor - Click Here - may be worth considering for repair rather than replacement of[more ...] By gmerry On Wed Jan 25 2012, 04:24am

19130

Dave_Retired.
Wed Jan 25 2012, 08:07am

[Sticky]
Servicing and Overhaul Parts for Garrett Turbocharger - 1.6HDi Hi this might help somebody.The Garrett GT1544V Turbocharger is fitted to the 1.6HDi engines used in[more ...] By gmerry On Tue Nov 15 2011, 07:05am

20281

PPP7
Tue Nov 15 2011, 03:56pm

[Sticky]
Parts Diagram showing wheel arch and underbody covers Is there a parts list available which shows the inner wheel arch covers and protection covers undern[more ...] By AndyL On Tue Nov 08 2011, 02:57pm

28067

Dave_Retired.
Wed Nov 09 2011, 01:19am

[Sticky]
Electrical parts for C4 I was looking for some C-Crosser information and found this, which might be of interest to some memb[more ...] By PentlandC4 On Mon Aug 22 2011, 02:53pm

19399

Dave_Retired.
Tue Aug 23 2011, 01:20am

Forum Threads

Aux belt tensioner(s) chattering About 6 months ago I bought a used but low mileage (~45K) 2016 C4 BlueHDi privately from a Polish ch[more ...] By TTron On Tue Oct 29 2024, 06:02pm

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275

Fixing AC blowing cold during winter This wasn't the first time I had to change item number 5E2222700. Which is moving flaps for hot/cold[more ...] By Ap0qalypto On Wed Aug 07 2024, 02:31pm

620

Ap0qalypto
Sat Oct 12 2024, 08:21am

Help! Turbo pressure solenoid wiring diagram? Hi a few days ago after running fine my C4 GP 2007 1.6HDi driving fine the engine management light c[more ...] By Leefreerider On Sun Dec 04 2016, 05:38am

5736

zcream
Fri Aug 16 2024, 03:25am

Which Wires? Hello,I’m trying to connect a dashcam prior to a trip to France, I removed the trim from the rain se[more ...] By madjack On Mon May 27 2024, 10:49am

861

BigJohnD
Tue May 28 2024, 07:10am

Citroen C4 2010 Automatic HI There,I'm new so hoping somebody could help me.My C4 has the following fault codes:PO868 Lack of [more ...] By Iceman707 On Wed May 15 2024, 09:55am

942

Ap0qalypto
Wed May 15 2024, 02:37pm

Lexia Installation -Is there a better way ? My laptop developed a problem. After fixing that, Lexia & Diagbox had gone, so I started the [more ...] By jaizan On Mon May 13 2024, 08:50am

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848

Oil I have just purchased another C4 after being absent for a while and I have a store of Total Ineo C3 [more ...] By Johnw On Wed May 08 2024, 12:26pm

913

Ap0qalypto
Wed May 08 2024, 03:24pm

Car key has stopped working Hi all,The other day I went to start my 2009 Citroen C4 and the dash board said “fault - anti theft [more ...] By Sim129 On Mon Aug 07 2023, 12:48pm

3036

locksmithdubai
Wed May 08 2024, 01:25am

2015 C4 Foglight Assisted Lighting Hi. The nearside fog light turn assistance function is inoperative on my vehicle but the offside one[more ...] By C0ciner0 On Sun Apr 28 2024, 06:09am

None

868

C4GP - new retaining bolt for front ABS sensor Hi all,I need to replace the front ABS sensor as it is putting out invalid data and causing the car [more ...] By gkmotorsport On Thu Apr 11 2024, 09:31am

1356

vexorg
Tue Apr 16 2024, 02:43am

2008 C4 REAR LIGHT HELP Hi there, my passenger side rear light has stopped working. (I think we've smooshed too many puddles[more ...] By Tich_mcg On Thu Mar 14 2024, 07:25am

1372

Ap0qalypto
Sun Mar 17 2024, 12:59pm

2015 C4 GP Starting impossible message Hi all I have a flashing EREA light on the dash and the countdown timer for an impossible start, I h[more ...] By Yasnz On Fri Feb 23 2024, 06:59pm

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1305

Limp mode engine light ESP/ASR WARNING HELP!!! So broke down on M25 car went into limp mode engine light on ESP/ASR warning light on. Anyone had th[more ...] By c4lover On Sat Aug 08 2020, 08:01am

9303

Zapaction99
Fri Feb 09 2024, 02:43am

Changing / Repairing USB-C port on new C4 (2021) Hello. I've recently bought a second-hand 2021 C4, and the previous owner has damaged the USB-C port[more ...] By hamit On Tue Jan 02 2024, 09:02am

None

1689

Fuse Box Hello, this is my first post so apologies if I’m not up to scratch on some bits!I have a CITROEN C4 [more ...] By Johnbear91 On Sat Oct 05 2019, 10:23am

8712

Ap0qalypto
Sat Dec 23 2023, 01:30am

2020 C4 Spacetourer 1.5 Diesel 7 seater Hello,I have a 2020 C4 pacetourer 1.5 Diesel with 130BHP, 7 seats. Occasionally smoke comes from the[more ...] By lmmr74 On Fri Dec 15 2023, 10:02am

1839

Magistrate
Sat Dec 16 2023, 01:53am

C4 Grand Picasso 2017 Gear Shift KNob Hello, anyone knows how to remove the 2017 GP gear shift knob?. It's a 1.6 Blue HDI 6 speed. I tried[more ...] By nparvus1202 On Tue Nov 14 2023, 04:47pm

None

1974

C4 Grand Picasso 2016 2.0 150 HP front bumper lower tray removal. Hiwould anybody have some instructions for removing the front bumper lower tray. I can easily remove[more ...] By sauntson On Thu Sep 07 2023, 02:22pm

2590

sauntson
Sat Sep 09 2023, 09:44pm

C4 1.6VTi Permanent Knock Sensor Code P0327 Hi guys,Hoping someone can help me here. So I have a 2010 Citroen C4 1.6VTi and I've had a few probl[more ...] By Off_Da_Wall_ On Tue Sep 05 2023, 02:02pm

None

2651

Depollution system faulty Hi.I am new here and I have a problem.I get the message depollution system faulty and the car loses [more ...] By Swedess On Tue May 30 2023, 06:16am

3415

Ap0qalypto
Thu Aug 10 2023, 09:38am

C4 Picasso rear seat installation - what torque? Hello, I took the folding rear seats (seats 6 and 7) out of my 2015 C4 Grand Picasso. This was strai[more ...] By bobt On Thu Aug 03 2023, 11:51am

None

2660

Engine Management System Faulty Hello C4 owners,I am on the way for vacation. I had an fault today on the road. A message “Engine Ma[more ...] By yvzkdr On Sun Jun 25 2023, 11:43am

3045

Ap0qalypto
Mon Jun 26 2023, 12:42am

C4 Grand Picasso 2012 Aircon failure and DIY repair I recently fixed my car’s air conditioning so I thought I’d write a few notes in case it helps someo[more ...] By Zapaction99 On Wed Jun 21 2023, 04:11pm

None

2952

Alarm sounds after battery change Grand Picasso 2015 Alarm sounds when locking Citroen 2015 Grand Picasso after battery change. Seen some info but no def[more ...] By Brihey8 On Wed May 06 2020, 01:01pm

12403

Brihey8
Tue Jun 13 2023, 11:41am

Autodata pin data Hi, does anyone know of a free autodata? Or where i can find ecu pin data please? Thanks By ashleyc4 On Thu May 25 2023, 01:41am

None

3063

Replacing Volumetric Sensors Hi all,I have the common problem with the alarm sounding but my fault lies with the volumetric senso[more ...] By adcover On Thu May 18 2023, 09:52am

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3075

External air temp sensor location P0070 Hi C4 lovers, my Citroen C4 2012 hatch 1.6 HDI is showing an error code P0070 which is for the exter[more ...] By Neobium41 On Sat Apr 15 2023, 05:48am

3518

Ap0qalypto
Sat Apr 15 2023, 06:57am

C4GP 2009 Passenger side wiper stops upright When I start the front wipers only the driver side wiper is working. The passenger side wiper starts[more ...] By bagmol On Thu Apr 13 2023, 07:53am

3448

Farmerguy
Fri Apr 14 2023, 02:35am

Diagbox 9.68 Hi everyone - i have been doing service on my c4gp, i have used the diagbox many times before on a p[more ...] By Farmerguy On Sun Apr 09 2023, 03:50am

None

3326

Fuel injectors location Hi C4 owners.Can someone please help me find my fuel injectors? I searched and searched and found no[more ...] By younes_hb On Wed Mar 15 2023, 09:02am

3619

Farmerguy
Wed Mar 15 2023, 03:13pm

Bonnet latch come apart Hi guys,My C4 bonnet latch has come apart, the spring and plastic patch has come away from the cable[more ...] By Pioneeruk On Wed Sep 01 2021, 12:23pm

10765

tory
Tue Feb 28 2023, 02:30am

C4 Picasso mk2 2013 - Passanger electric wing mirror stutters Recently on my 2013 mk2 I have noticed a couple of peculiar things regarding the passenger electric [more ...] By scaryxpuppy On Mon Feb 20 2023, 09:31am

None

3616

AdBlue Additive Anyone tried or have any information of this additive ? - Click Here - By skorpion On Fri Jan 27 2023, 12:58pm

None

3837

Rear Passenger Door Unlocking Itself - 2013 C4 Hi, my 2013 C4 is having issues with locking. When I lock the car, all doors audibly lock, except wh[more ...] By kiwicitroen On Wed Jan 18 2023, 02:26pm

None

3878

2010 1.6hdi C4 Grand Picasso wipers not working. Hi, I've a 2010 C4 Grand Picasso, neither front wipers are working. Have replace both motors with wo[more ...] By ambro74 On Wed Jun 19 2019, 08:22am

8000

Ap0qalypto
Mon Jan 16 2023, 06:21am

Citroën C4 Picasso ll 1.6 THP 2009 petrol - engine management system faulty - limp home? Hello! I just recently bought a c4 picasso 2009 which is experiencing some problems. I was not bough[more ...] By bagmol On Sat Dec 31 2022, 01:37am

4328

Ap0qalypto
Mon Jan 09 2023, 06:29am

Auto folding broken wing mirror, bearing folding support strut for picasso and renault etc fix My wing mirror was knocked off awhile ago and it was the below plastic tube thing that was broken, f[more ...] By Itchigo27 On Fri Jul 01 2022, 12:13pm

6393

varkanoid
Thu Dec 29 2022, 12:01pm

Key stopped working Hi2015 C4 Picasso GrandeOne of the keys has just stopped working. I doesn't open the doors, and it c[more ...] By bhaddow On Mon Dec 12 2022, 02:53pm

4342

bhaddow
Fri Dec 16 2022, 02:54am

Citroen C4 1.6 HDI 2007 Electrical problem Headlights short circuit Good Evening.I have a Citroen C4 1.6 HDI 2007 . Last 6 months i have problems with the injectors . E[more ...] By theo200273 On Thu Dec 08 2022, 04:51am

None

4203

P1A9C Citroen C4 2012 1.6 e-hdiStop/Start deactivatedI have the following fault codes that came up after t[more ...] By Salonen32 On Thu Nov 10 2022, 04:27am

None

4820

C4 Picasso Mk2 2014 - P0809 - Clutch Master Cylinder Replacement My clutch pedal is really low - now i get a engine fault and handbrake fault when powering on the ca[more ...] By duncanc On Tue Jun 14 2022, 04:41am

6907

sallug
Mon Oct 31 2022, 11:21am

Citroën C4 MKII heater panel removal and switch-out So last week I did something dumb. I used my Citroën C4 to move some wooden borders for my floor and[more ...] By Icaruswax On Mon Oct 31 2022, 04:58am

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4392

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