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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 21092 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 9330 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
None 4611 -
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 3995 -
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 6757 -
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 6607 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 7081 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 15627 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 9871 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 4538 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 5953 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 15264 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 38856 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 11847 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 3302 -
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 3783 -
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 7044 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 4923 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 17232 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 5557 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 4544 -
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 6877 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 4305 -
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 5645 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 7468 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 5079 -
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 4966 -
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 5551 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 6567 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 11903 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 5684 Dave_Retired.
Tue Aug 23 2011, 01:20am
 Forum Threads
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
2 1579 Yucker
Sat Jun 22 2019, 08:00am
EM Light  I have a C4 Grand Picasso Semi Auto, sometimes when I use the kickdown, as the car eccelerates the E[more ...] By Davwilesa  On Wed Jun 19 2019, 05:53am
3 78 Davwilesa
Wed Jun 19 2019, 04:34pm
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
None 65 -
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
1 357 Cameroncreate
Sat Jun 08 2019, 05:54am
Washer jet problem  Hello all...Passenger side washer jet not working...driver side is very weak. Back window jet works [more ...] By mikehobbs2012  On Sun May 19 2019, 02:34am
None 125 -
Grand C4 Picasso Exclusive battery replacement.  Got the tyre pressure monitoring fault message plus outside temp reading going haywire. Tried going [more ...] By althesandie  On Tue May 14 2019, 08:53am
None 124 -
Citroen Independent Near Barrow in Furness  I live in Norfolk and for many years have had excellent service from my local independent Citroen/Pe[more ...] By DeuxChevaux  On Thu Apr 25 2019, 04:37pm
None 163 -
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 192 -
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
2 268 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
3 233 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 6882 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
3 284 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
1 291 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
6 413 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
4 340 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
1 315 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
3 381 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
3 381 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
3 514 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
4 422 10coupe
Wed Feb 13 2019, 01:55am
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
2 521 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 500 -
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 450 -
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
2 572 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
5 628 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
3 626 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 815 -
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
1 760 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
4 772 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
1 696 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
1 832 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 617 -
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
1 755 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
1 807 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 746 -
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
3 809 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
2 973 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 780 -
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
1 916 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 1065 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
2 966 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 809 -
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