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Maintenance and Repair Tips and Procedures.

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General Repair Costs Guide
  PentlandC4 wrote ...I've been wondering whether a thread devoted to repair costs might be useful- i.[more ...] By Web Admin Only  On Thu Feb 09 2012, 01:14AM
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38 9402 TriumphGuy
Mon Jan 16 2017, 01:19PM
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[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 Web Admin Only  On Thu Dec 04 2014, 07:21AM
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Announcement Thread
[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 Web Admin Only  On Thu Mar 08 2012, 08:49AM
8 5786 wilcovh
Thu Jul 17 2014, 05:17PM
Announcement Thread
[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 Web Admin Only  On Sat Jun 14 2014, 11:51AM
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Announcement Thread
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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 Web Admin Only  On Mon Mar 31 2014, 07:20AM
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Announcement Thread
[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 Web Admin Only  On Wed Mar 26 2014, 02:32PM
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Announcement Thread
[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
1 4009 Web Admin Only
Thu May 10 2012, 05:18AM
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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
2 1737 stevjull2017
Thu Jan 05 2017, 07:11PM
Sticky Thread
[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
4 4175 stevjull2017
Thu Jan 05 2017, 06:14PM
Sticky Thread
[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
3 2501 geirars
Sun Nov 20 2016, 02:11PM
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[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
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26 7453 routemaster1
Fri Mar 11 2016, 10:36AM
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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
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36 25280 crapday
Tue Sep 29 2015, 12:39AM
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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
4 1973 Stuart Sauntson
Sun Sep 20 2015, 05:41AM
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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
11 5336 andyste1
Tue Mar 17 2015, 02:57PM
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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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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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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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Sticky Thread
[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
4 3844 DeuxChevaux
Thu Oct 16 2014, 02:30AM
Sticky Thread
[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
1 2191 Grumpy GrandPa
Sat Jun 07 2014, 08:01AM
Sticky Thread
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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
5 7112 Crouchy
Sat Mar 15 2014, 11:36AM
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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
10 9265 Web Admin Only
Wed Mar 12 2014, 04:51AM
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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
4 2632 Web Admin Only
Tue Dec 10 2013, 01:14PM
Sticky Thread
[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
None 2404 -
Sticky Thread
[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
3 3411 Commodore
Thu Feb 28 2013, 07:15AM
Closed Sticky Thread
[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 Web Admin Only  On Fri Feb 01 2013, 09:49AM
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Sticky Thread
[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
4 2957 DeuxChevaux
Sat Jan 26 2013, 04:55AM
Sticky Thread
[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 Web Admin Only  On Thu Jan 24 2013, 11:24AM
6 4238 Bin-The-L-Plates
Sat Jan 26 2013, 03:30AM
Sticky Thread
[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 Web Admin Only  On Wed May 16 2012, 02:01AM
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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
None 2859 -
Sticky Thread
[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
1 3367 Web Admin Only
Wed Jan 25 2012, 08:07AM
Sticky Thread
[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
4 4055 PPP7
Tue Nov 15 2011, 03:56PM
Sticky Thread
[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
1 6896 Web Admin Only
Wed Nov 09 2011, 01:19AM
Sticky Thread
[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
1 3397 Web Admin Only
Tue Aug 23 2011, 01:20AM
 Forum Threads
Hot or Cold?  After I finish work today at 2pm I will drive home and do some routine maintenance on the car. I am [more ...] By riven1962  On Tue Jan 17 2017, 06:22AM
1 46 rusky
Tue Jan 17 2017, 01:39PM
Broken heat shield.  I have had a look around and I have found the instructions on how to replace the heat shield but I a[more ...] By riven1962  On Mon Jan 16 2017, 01:27PM
None 31 -
C4 Picasso Exclusive EGS 2008 Pollen Filter Replace  Just replaced my pollen filters this morning.Info for anyone going to do this job.They are located o[more ...] By calderscot  On Fri Jun 20 2014, 06:52AM
4 1641 TriumphGuy
Sat Jan 14 2017, 04:06PM
No Menu or Radio buttons working  Firstly apologies if this is in the wrong section. I have a 2006 C4. My radio can turn on but I can'[more ...] By RookieMistakes  On Fri Jan 13 2017, 08:39AM
4 84 RookieMistakes
Fri Jan 13 2017, 10:30AM
Turbo Surge on acceleration on my DV6C, 2012 C4 e-HDi, EGS turbo diesel  I continually get a 'turbo surge' on acceleration with my vehicle, this entails a sudden and sporadi[more ...] By stevjull2017  On Wed Jan 11 2017, 12:06AM
None 50 -
Which workshop manual?  Hi, I have just bought a C4 Piccaso 1.6HDi VTR+ 2008my. Can anyone please recommend a workshop manua[more ...] By B1unders  On Sun Jan 24 2016, 04:02PM
4 794 stevjull2017
Fri Jan 06 2017, 12:21AM
Tip for replacement of mounting for air box when changing air filter  Hi folks Thought I would pass this tip on for when you do your own air filter change , I fix [more ...] By WizardofChaos  On Tue Aug 26 2014, 05:41AM
4 1642 stevjull2017
Thu Jan 05 2017, 10:13PM
Citroen C4 1.6HDi 2011 rear end whine  Hi,Recently purchased a C4 2011 1.6 diesel. I have noticed between 56-63 mph a rear end whining nois[more ...] By rhambri  On Fri Sep 30 2016, 10:55AM
1 214 stevjull2017
Thu Jan 05 2017, 08:46PM
Rear bumper bracket replace  Hi, does anyone know how to replace the rear bumper brackets? How can I remove them? By Voliotis84  On Fri Dec 30 2016, 12:37PM
None 58 -
No indicator noise!  Hiya! I recently bought a 2006 C4, the car makes no indicator noise (the tick) or any noise when doo[more ...] By Vonsaur  On Mon Dec 26 2016, 03:49PM
None 83 -
Drinks like a fish  My C4 wash wipe seems to consume more liquid than a fish in the Amazon.Well, I have to refill it fre[more ...] By Grumpy GrandPa  On Mon Dec 12 2016, 02:28PM
None 113 -
Adverse adjust the height of the light from the cabin  The other day I try a little drive down stack height from the cab on the controller and does not wor[more ...] By tomica0308  On Tue Dec 06 2016, 02:01PM
1 133 tomica0308
Sun Dec 11 2016, 03:49AM
Car Theft...Key jammers  This makes interesting reading - Click Here -  By gittos  On Thu Dec 08 2016, 10:28AM
6 199 rusky
Fri Dec 09 2016, 11:52AM
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Service light appeared on dash and message on screen said check LH Brake light  Hi on my way to work this morning the above just appeared on the dash and the media screen, so does [more ...] By ScottH  On Tue Dec 06 2016, 01:55AM
12 255 KenC
Thu Dec 08 2016, 05:24AM
RE-calibrating EGS gearbox on C4GP 2008  Hello fellow Citroen lovers?I have a 2008 that Judders. I also have a Lexia which tells me that all[more ...] By Picasso1  On Wed Dec 07 2016, 02:57PM
1 96 rusky
Wed Dec 07 2016, 04:08PM
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
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C4 won't rev past 2500rpm then cuts out  Hi all my Citroen C4 1.4 16v cuts out and then restarts at 2500rpm. It'll only do this when warm. I'[more ...] By Richard9801  On Wed Nov 30 2016, 03:18PM
None 115 -
C4 Grand Picasso leaking boot  Hi,I have a broken seal on the boot. Cannot find part as not sure what is is called / part no etc.I[more ...] By kbarlow  On Tue Nov 22 2016, 05:37AM
None 134 -
Dipped Headlights & Parking Lights have stopped working at the same time  I have a 2006 Citroen C4 VTR.So yesterday evening i parked up at my house with all lights working fi[more ...] By Murphler  On Fri Nov 18 2016, 01:57AM
None 119 -
C4 SX 06 Plate - KM / M, No head Unit  Hi,I'm wondering if anyone could help me.I recently put a new battery in my C4 SX, 2006 model.Now my[more ...] By joe_brett  On Thu Nov 10 2016, 10:50AM
6 201 joe_brett
Fri Nov 11 2016, 04:41AM
Issue with side lamp  Hello, I am hoping somebody can help , Whilst driving to work yesterday I noticed I had a lamp out [more ...] By sese_jane  On Tue Nov 08 2016, 02:07AM
1 137 moleman
Tue Nov 08 2016, 04:07AM
DS4 Leather on Gear knob  HiI just bought a pre-owned DS4 in perfect condition apart from the gear knob where the leather has [more ...] By BenSA  On Fri Nov 04 2016, 08:39AM
None 148 -
Grand C4 Picasso Auto Clutch  Firstly i apologise if this is already on the site. I wasn't able to find a definitive answer.So, i [more ...] By Tearfulkarma  On Sat Oct 29 2016, 02:32PM
3 209 routemaster1
Sun Oct 30 2016, 05:18AM
Fuse box location  Hi all,I have both a 2016 and a 2012 grand picasso.The rear wiper has stopped working on the 2012 mo[more ...] By captain.cupcake  On Wed Oct 19 2016, 11:46AM
2 215 captain.cupcake
Thu Oct 20 2016, 03:38AM
An appeal to Mk1 C4 diesel owners ; re bonnet liner  HII have decided to fit a bonnet liner to my petrol C4 2006 as someone said it is worthwhile but I w[more ...] By hgee  On Thu Oct 13 2016, 04:51AM
2 220 hgee
Thu Oct 13 2016, 11:09AM
Key Fob Damaged Circuit Board  Hi all, I'm a new member and this is my first post. I'm not much of a genius when it comes to genera[more ...] By alexconnor7  On Sat Oct 08 2016, 02:10PM
1 207 BigJohnD
Sat Oct 08 2016, 03:11PM
Citroen C4 steering angle sensor comms unit reset  Hello, I have a 2010 Citroen C4 1.6 HDI EGS VTR+ and had a second hand steering rack put in 6 months[more ...] By dstyles  On Mon Oct 03 2016, 04:08PM
None 197 -
2014 New C4 Picasso Filter Locations.  Hi All,I've just bought a brand new second hand 2014 C4 Picasso!!. I was hoping someone knows where [more ...] By johnnybee  On Sun Sep 25 2016, 07:43AM
3 267 gittos
Sun Sep 25 2016, 03:39PM
HDI engine and fuel additives  Hi all, i would like to know the collective wisdom of forumites on using fuel additives with the 1.6[more ...] By pablo_picasso  On Fri Sep 23 2016, 06:15PM
2 267 BigJohnD
Sat Sep 24 2016, 12:55PM
Unknown Engine part  Hello everyone, Just bought a C4 VT+ Diesel 2000cc and above the oil filter is a piece of curved met[more ...] By Klondike  On Fri Sep 23 2016, 03:00AM
1 243 Grumpy GrandPa
Sat Sep 24 2016, 03:41AM
Lost sat nav CD player reversing sensors  Hi all.New to the forum but owned our 2008 C4 Grand Picasso Executive for a few years and to be hone[more ...] By Coxy  On Tue Sep 06 2016, 09:04AM
7 365 Coxy
Sun Sep 18 2016, 06:55AM
C4 Picasso EGS VTR 2.0 16v judders in first when cold  HiJust brought a 2007 grand Picasso when cold it judders on pull off but when warm it's fine only go[more ...] By Dcfckev  On Sat Sep 17 2016, 06:04AM
5 255 Dcfckev
Sun Sep 18 2016, 03:43AM
C4 Picasso 2007 transmission  Hello All , Actually i'm new to this forum and having a problem and need your support when car chang[more ...] By Guevara  On Mon Aug 29 2016, 03:48AM
None 217 -
C4 Tyre Pressure label missing  Hi.First post - be gentle...I've had a search around the forum and can't see the required info.I've [more ...] By Jaggies  On Wed Aug 10 2016, 04:27AM
8 442 routemaster1
Tue Aug 16 2016, 03:56PM
GPC4 cracked centre air vent  I have a year old GPC4 exclusive. The facia at 2 fins of the drivers side centre vent have cracked.[more ...] By Lewisgt  On Mon Aug 15 2016, 12:57PM
1 245 wilcovh
Mon Aug 15 2016, 04:20PM
Lexia/diagbox help  Hoping someone out there can help, iv'e recently replaced my eloys fluid & changed air suspensio[more ...] By trev h  On Wed Aug 10 2016, 12:43PM
1 288 trev h
Mon Aug 15 2016, 05:15AM
C4 1.6HDi Alternator Replacement  Hi all,I am about to change the alternator on my C4 coupe 1.6HDi VTR. Has anyone else done one and i[more ...] By hosemaster  On Tue Aug 09 2016, 12:43PM
None 210 -
Pollen filters - C4GP 2008  I'm looking to replace the pollen filters. Have searched previous threads for the pollen filters. As[more ...] By avish222  On Sat Aug 06 2016, 02:59AM
2 303 BigJohnD
Sat Aug 06 2016, 05:45AM
C4 Blower motor only works on full power. How to fix.  This is just a posting which I hope will be of use to others who have the same fault occur as me.The[more ...] By iang  On Thu Nov 29 2012, 11:01AM
2 6836 drnick8691
Tue Jul 26 2016, 11:30AM
Rear parking sensor fitting, after market kit with display. C4 Picasso 2009.  Having read and printed the fitting of an after market rear sensor kit. See Jeremy_VTR dated 04 Sept[more ...] By RickyH  On Thu Jul 21 2016, 05:24AM
None 320 -
2013 C4 Mk2 Rear Main Oil Seal  Anyone had any run ins with the rear main oil seal on the C4?Just had the car serviced by Citroen in[more ...] By Naz_kid  On Tue Jul 19 2016, 11:40AM
None 250 -
'57 C4 Grand Picasso Exclusive...Help???  I'll try and be brief!Need to change pads on rear brakes (which has Electric parking break), do I ne[more ...] By KrazyKop  On Tue Jul 19 2016, 11:00AM
None 235 -
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