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Maintenance and Repair Tips and Procedures.

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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
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46 20318 riven1962
Mon Feb 05 2018, 07:45am
Announcement Thread
[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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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 Dave_Retired.  On Thu Mar 08 2012, 08:49am
8 9156 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 Dave_Retired.  On Sat Jun 14 2014, 11:51am
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Announcement Thread
[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
None 3836 -
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 Dave_Retired.  On Wed Mar 26 2014, 02:32pm
None 6548 -
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 6438 Dave_Retired.
Thu May 10 2012, 05:18am
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
5 6900 TriumphGuy
Mon Sep 04 2017, 07:00am
Sticky Thread
[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
8 15181 trev h
Fri Jul 21 2017, 03:40am
Sticky Thread
[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
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16 9392 Johnboi79
Tue Jun 06 2017, 01:15pm
Sticky Thread
[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
3 4354 richardthestag
Mon Apr 17 2017, 10:36am
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 5686 geirars
Sun Nov 20 2016, 02:11pm
Sticky Thread
[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 ]
26 14828 routemaster1
Fri Mar 11 2016, 10:36am
Sticky Thread
[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
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36 38027 crapday
Tue Sep 29 2015, 12:39am
Sticky Thread
[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
11 11390 andyste1
Tue Mar 17 2015, 02:57pm
Sticky Thread
[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 Thread
[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
None 3168 -
Sticky Thread
[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
None 3618 -
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 6852 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 4754 Grumpy GrandPa
Sat Jun 07 2014, 08:01am
Closed Sticky Thread
[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
10 16771 Dave_Retired.
Wed Mar 12 2014, 04:51am
Sticky Thread
[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
4 5378 Dave_Retired.
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 4401 -
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 6718 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 Dave_Retired.  On Fri Feb 01 2013, 09:49am
None 4164 -
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 5494 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 Dave_Retired.  On Thu Jan 24 2013, 11:24am
6 7251 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 Dave_Retired.  On Wed May 16 2012, 02:01am
None 4943 -
Sticky Thread
[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
None 4814 -
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 5396 Dave_Retired.
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 6407 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 11580 Dave_Retired.
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 5548 Dave_Retired.
Tue Aug 23 2011, 01:20am
 Forum Threads
Source of Citroen parts  Not sure if this is the right place. From another forum I have found this source of Citroen parts. I[more ...] By routemaster1  On Fri Apr 19 2019, 03:09am
None 42 -
Citroen C4 1.6 HDI - firmware upgrade  Hello guys,I own Citroen C4 1.6 HDI. Date of his birth is 2005 So I wanted to upgrade firmware in c[more ...] By mitrandeer  On Sat Apr 13 2019, 05:55pm
2 104 BigJohnD
Sun Apr 14 2019, 04:34am
C4 1.6 hdi fuel pump wiring  Hi, first post so hopefully someone can help. My 2008 C4 pic 1.6 hdi isn't starting (turning but not[more ...] By PIC-cadilly  On Sat Apr 06 2019, 04:37pm
3 105 PIC-cadilly
Sun Apr 07 2019, 05:06pm
No New Posts on Popular Thread
C4 1.6 HDi Clutch  Hi everyone.Looking for advice on the repair of my wife's C4 Hatchback. The clutch is starting to s[more ...] By COLVERT  On Sat Mar 06 2010, 12:31pm
Goto page: [ 1 2 ]
18 6395 Ram80
Wed Mar 27 2019, 01:13am
CITROEN C4 CACTUS  Hi EveryoneI have a Citroen C4 Cactus and like most others absolutely love the car. I have hand con[more ...] By TILSIT999  On Mon Mar 25 2019, 04:04am
3 130 routemaster1
Mon Mar 25 2019, 05:53am
Jerky gearbox  Hi all, I am brand new to this forum and owning a C4. I purchased a Citroen C4 1.6 e-HDi Airdream EG[more ...] By Marc21  On Tue Mar 19 2019, 07:19am
1 139 rusky
Tue Mar 19 2019, 07:28am
2014 (B78) C4 Picasso 1.6HDi service and workshop manual  Is it possible to buy a service and workshop manual for my car. I have tried buying it online from o[more ...] By Terry743  On Mon Mar 11 2019, 08:44am
6 220 Richard_C
Tue Mar 12 2019, 09:14am
Electronic handbrake  I have a 09 grand picasso , the other day while driving I had this bleeping sound and then a WARNING[more ...] By Caz2457  On Wed Mar 06 2019, 06:34pm
4 192 rusky
Fri Mar 08 2019, 01:38am
Mysterious leak - 2005 C4 1.6 HDI  Hi Guys, I attempted to change injector seal on number 2 injector, I couldn’t get it out so I gave [more ...] By Nathd91  On Tue Feb 26 2019, 01:52pm
1 177 rusky
Thu Feb 28 2019, 03:28pm
Spare wheel space for alloy  Got a quick question I have seen a full alloy wheel same as mine on ebay but would a full size wheel[more ...] By Veko1962  On Sun Feb 17 2019, 12:45pm
3 237 routemaster1
Mon Feb 18 2019, 02:35am
C4 spare wheel info  Hi all I have a 63 reg citroen c4 airdream 1.6 e-hdi diesel but I need a spare wheel my alloys are 1[more ...] By Veko1962  On Sat Feb 16 2019, 12:41pm
3 244 BigJohnD
Sun Feb 17 2019, 01:29pm
Diagbox on Laptop  Can anyone recommend a Laptop complete with Diagbox and OBDII Interface seller. By gmerry  On Fri Feb 01 2019, 02:44am
3 342 gmerry
Wed Feb 13 2019, 06:24am
Roadside wheel change - a caution  It's been 15 years since I last had to change a wheel by the roadside, but recently I had a new set [more ...] By Jimux  On Tue Feb 12 2019, 01:51am
4 278 10coupe
Wed Feb 13 2019, 01:55am
Crankshaft position sensor  Hi guys i need to replace the Crankshaft position sensor on my 2007 C4 can any one tell me where thi[more ...] By Bigboybeaton  On Sun Feb 03 2019, 11:40am
None 211 -
Help: Lexia - Car Now Not Working  Ok hope someone can help.Connected Lexia to car and would not automatically reconise the vehicle, so[more ...] By craig573  On Sun Dec 30 2018, 01:36pm
2 376 Coliliqui
Sat Jan 05 2019, 07:48am
Lexia/Diagbox Reccomendations  Hi folksI'm looking at getting lexia/Diagbox for my 2009 C4 Grand PicassoThere's so many out there a[more ...] By Onefut  On Sat Dec 22 2018, 02:36pm
None 363 -
Aircon con?  I took our C3 for a service today. They phoned whilst I was on a bus, so I couldn't really concentra[more ...] By routemaster1  On Mon Dec 17 2018, 01:25pm
None 326 -
Gear knob removal  Can anybody shed any light on how to remove the gear knob. I want to replace it as it's looking worn[more ...] By CAD  On Tue Nov 27 2018, 03:18pm
2 435 FakeConcern
Tue Nov 27 2018, 04:44pm
Start a DS5 forum  Moderators, there no longer seems to be a DS5 forum on the internet, do you fancy starting one on C4[more ...] By looxuser  On Wed Nov 21 2018, 05:48pm
5 480 looxuser
Fri Nov 23 2018, 10:20am
Engine autodiagnosis system light  Hi all. This light came on my C4 1.6hdi 12plate today. Emission control system has a fault it says i[more ...] By Craig76  On Mon Nov 19 2018, 10:41am
3 487 Craig76
Mon Nov 19 2018, 11:19am
Picasso interior rear view mirror  Hello everybody. New to the forum and new to the c4 Picasso. The car in question is an 2010 1.6hdi 1[more ...] By v10phil  On Wed Oct 17 2018, 08:38am
None 683 -
Electronic Handbrake emergency release  Looking for some help please. I had to release the electronic hand brake on my 2007 1.6 HDI C4 Grand[more ...] By peter5395  On Sat Sep 29 2018, 02:11pm
1 606 rusky
Sat Sep 29 2018, 03:31pm
Extended Warrany, don't forget to do it!  I've just extended mine, as the original warranty expires 16-11-2018.12 months for £250, paid either[more ...] By wunny  On Thu Sep 20 2018, 11:59am
4 636 routemaster1
Wed Sep 26 2018, 04:00pm
Headlights  Hi I have just purchased a 2007 C4 Grand Picasso and had problems with the main and side light went [more ...] By Armo1968  On Sat Sep 15 2018, 12:02am
1 561 rusky
Sat Sep 15 2018, 04:56am
Lexia no gearbox calibration!  Hy everyone, i need a little help with a egs gearbox on citroen c4 GP . I have lexia and i can't fi[more ...] By Onycyuk  On Thu Sep 13 2018, 07:50am
1 675 rusky
Thu Sep 13 2018, 10:39am
Lexia no gearbox calibration!  Hy everyone, i need a little help with a egs gearbox on citroen c4 GP . I have lexia and i can't fi[more ...] By Onycyuk  On Thu Sep 13 2018, 08:40am
None 494 -
Passenger door lock/unlock  C4Picasso Exclusive 2014.I'm having trouble with the passenger door keyless lock/unlock feature. It [more ...] By sjd224  On Sun Sep 02 2018, 05:16pm
1 618 neilp
Mon Sep 03 2018, 03:42am
Removing glove box - C4 2007 Hatchback  Hello,I have watch the few videos I have found, regarding removing the glove box (I have climate con[more ...] By Dovk  On Mon Aug 27 2018, 03:58am
1 671 FakeConcern
Tue Aug 28 2018, 04:10am
Orange Turbo seal split again, and again, and again  I've had to replace the orange turbo seal 3 times in 9 months (Grand C4 Picasso 2007), the last one [more ...] By Harris27  On Wed Aug 15 2018, 01:32pm
None 631 -
Diesel filter change  Can anyone offer details on how to change the diesel fuel filter on 2011 reg C4 Grand Picasso 2.0 HD[more ...] By derbyshire1970  On Tue Aug 14 2018, 06:00am
3 671 derbyshire1970
Tue Aug 14 2018, 06:54am
My diesel won't start  Hello everyone,few days ago I was driving my Citroën C4 1.6hdi 66kw diesel, I increased little bit m[more ...] By MNMR  On Sun Jul 22 2018, 04:21pm
2 814 MNMR
Mon Jul 23 2018, 09:12am
Visor/Roof lining NOISY - DRIVING ME CRAZY!  C4 Picasso 2011. Hi, new car to me, lovely car, but all the plastic fittings above my head around th[more ...] By wnevets  On Fri Jul 20 2018, 12:36am
None 656 -
DPF Additive Reservoir Location????  Evening, 2009 C4 Grand Picasso, 2.0 HDI.Please can anyone tell me the location of the DPF Additive R[more ...] By warygrandowner  On Tue Jul 03 2018, 02:13pm
1 785 rusky
Tue Jul 03 2018, 04:25pm
C4GP Ex+ 64 plate air con leak  Hi all I have investigated hissing noise in cabin when aircon is on, after regas with dye I felt it [more ...] By khsofiane  On Fri Jun 22 2018, 06:05pm
7 919 khsofiane
Wed Jun 27 2018, 05:34am
Adblue cap  I understand some members have had a recall and had their adblue cap replaced as below.Mine is like [more ...] By Keith  On Mon Jun 25 2018, 08:33am
2 825 Keith
Tue Jun 26 2018, 08:28am
Lexia owner in Derby/Notts?  Hi, I have just bought a Lexia, but it is dead out of the box. Is there anyone one Derby/Notts with [more ...] By digitalfriction  On Sat Jun 23 2018, 06:46am
None 686 -
drivers door window switch  hi guys had the dreaded window switch problem work sometimes then would stop working at all the fix [more ...] By arch50  On Thu Jun 14 2018, 08:19am
None 774 -
Alternator Drive Belt  Hi, first post here - spend most of my time on Alfaowner.. yes two old Alfa's and one tired 149k mil[more ...] By triumph72  On Fri Jun 08 2018, 04:20pm
None 850 -
Washer pump?  Hi ( go easy first timer)I have a 13plate c4 5door, the washers are not working, had an auto electr[more ...] By Andrewchambers1967  On Mon Jun 04 2018, 02:25am
None 755 -
gearbox  having problems removing gearbox from my 06 c4 2.0 hdi coupe can anybody help me with everything i n[more ...] By bails  On Sat Jun 02 2018, 06:32am
None 760 -
C4 near side mirror adjustment issue.  Hi everyone, I’m a newbie but decided to post the issue I have with my C4.My C4 is new in November 2017 but we have a problem due to wife’s height!She is around 5ft 5 inches tall and when she is sat in drivers seat she cannot adjust nearside mirror enough to see side of car.Took it to dealer for a “authorised Citroen fix” but issue is worse!Apparently they filed down part of the internal motor mounting to enable the mirror to fold in more to show side of car but all it did was cause mirror to catch the plastic housing!They have ordered another complete mirror unit, but I’m not sure that will work. Works are being done under warranty so no problem having to pay.Dealer seems to think that the C4 was designed as L Hand drive as wipers are the type you would see on those cars as well.Anyone encountered this problem and is there a known fix for it as I’m not sure Citroen have one!Cheers  By JX2566  On Thu Apr 05 2018, 09:34am
4 1332 Keith
Fri Apr 06 2018, 09:35am
C4 gear knob replacement  Hi guys, I've upgraded my 57 plate to a 2011 C4 VTR+ 1.6HDi. Only problem is the gear knob is really[more ...] By firebrad  On Sat Mar 31 2018, 10:01am
3 1058 firebrad
Thu Apr 05 2018, 04:05pm
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