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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 14782 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 7784 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
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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 Dave_Retired.  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 5235 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 5583 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 11631 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 5965 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 3136 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 4140 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 11536 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 32268 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 8060 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
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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
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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 5510 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 3558 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 13277 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 4111 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
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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 5423 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
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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 4361 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 5829 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
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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
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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 4402 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 5220 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 9360 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 4537 Dave_Retired.
Tue Aug 23 2011, 01:20am
 Forum Threads
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
4 143 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
3 138 firebrad
Thu Apr 05 2018, 04:05pm
Service light  Just disconnected the battery and when reconnected, service light showing . How can I reset this ple[more ...] By CAD  On Tue Apr 03 2018, 01:24pm
1 104 rusky
Tue Apr 03 2018, 02:52pm
Reprogramming the EGS gearbox hints  I have recently reprogrammed my C4 Picasso 2008 EGS gearbox.It was giving me some issues, slower gea[more ...] By calderscot  On Tue Apr 03 2018, 08:01am
None 86 -
Rear parking sensors  Is changing one rear parking sensor straight forward? 2011 C4 Picasso 1.6 VTR+ By lorryload  On Mon Apr 02 2018, 03:47am
None 99 -
Rear washer spray  Hiya, I have recently bought a 2008 C4 VTR+ for my first car as a trainee driving instructor. I am h[more ...] By 33katy  On Fri Mar 23 2018, 04:53am
1 167 BigJohnD
Fri Mar 23 2018, 09:54am
Recovery warning  I've just been recovered and the agent winched the car onto the truck bed, using a strop around the [more ...] By wunny  On Tue May 09 2017, 10:01am
3 1044 trev h
Mon Mar 19 2018, 03:54pm
Turbo Failure is also due to not winding down!  I've read a lot about turbo maintenance service on the DV6C HDi's but, never ever did I read that af[more ...] By stevjull2017  On Sun Oct 15 2017, 08:41pm
5 818 Bango99
Thu Mar 15 2018, 07:26am
C4 Grand Picasso rear window fix  Thought I'd post this to help others. Whilst ferrying my grandkids around on holiday (manic!). My gr[more ...] By Bango99  On Fri Mar 09 2018, 02:36pm
None 175 -
Brake switch C4 Grand Picasso  Have removed switch from car, got a replacement but the barrel looks bigger.Connections the same, ha[more ...] By djandyh  On Sat Mar 03 2018, 12:46pm
None 211 -
How much fuel PER HOUR when stuck in Snow  Just wondering how much fuel you use per hour when in stuck the snow? I first thing I did when new[more ...] By iscom  On Fri Mar 02 2018, 03:21am
1 277 wozza
Fri Mar 02 2018, 08:31am
Change time & date  Hey,I’ve recently bought a 2011 Citroen c4 VTR plus 1.6 diesel 5 door car. The date & time curr[more ...] By Henry2209  On Sun Feb 25 2018, 11:43am
1 222 BigJohnD
Mon Feb 26 2018, 06:54pm
Problem starting Citroen C4 Grand after battery replace.  Hi, I have a Citroen C4 Grand diesel 7 seat 2008. After replacing the battery, I can not start the c[more ...] By terjew  On Sun Feb 18 2018, 08:16am
3 297 BigJohnD
Mon Feb 19 2018, 07:22am
Error warnings no start stop and various HELP  2012 gp 1.6hdi airdream. Only 35k miles. All good. On school run, chirping / squealing from engine b[more ...] By Colls10  On Tue Feb 13 2018, 03:01pm
3 269 wozza
Wed Feb 14 2018, 12:24pm
Speed Control Faulty  HeyCurrently experiencing problems with a Citroen C4 sx. Its a 2007 automatic. A speed control fau[more ...] By greengo  On Sat Feb 03 2018, 07:26am
4 336 FakeConcern
Wed Feb 14 2018, 10:17am
Noisy interior  Hi all, i have a c4 grand picasso 2014 which ive just bought, its lovely but im getting a vibrating [more ...] By Auggloop  On Sat Jan 27 2018, 09:23am
1 345 wozza
Sat Jan 27 2018, 11:36am
C4 grand picasso 2007 quarter glass removal  Hi can anybody tell me how do I remove/replace the front window quarter glass on a 2007 C4 Grand Pic[more ...] By dondt  On Wed Jan 24 2018, 08:03pm
None 300 -
Lcd screen replacement in C4 1.4 'cool' 2007  Hi guysIve been looking all over the place and cant find an answer anywhere. I need to replace the c[more ...] By MillyWinter  On Sat Jan 13 2018, 12:56pm
1 415 FakeConcern
Sat Jan 13 2018, 02:01pm
Headlamp unit replacement  Hi,We have had a slight bump in our new C4 Grand Picasso (6 months old). The bracket holding the hea[more ...] By Hoppityhop  On Sat Jan 13 2018, 09:08am
None 398 -
Timing belt tools  Hi, I'm going to be changing the timing belt and water pump on my 1.6 hdi soon...I have access to a [more ...] By HansZarkov  On Thu Jan 04 2018, 05:59pm
1 429 Mrfixit
Fri Jan 05 2018, 05:44am
No New Posts on Popular Thread
Vacuum box melted resulted in no turbo.  Hopefully this little story could help someone else if you notice your diesel C4 really lacking in p[more ...] By wired00  On Tue Apr 09 2013, 08:14pm
10 3819 wired00
Sat Dec 23 2017, 01:39pm
No New Posts on Popular Thread
AdBlue Top Up - Warning Light Still Shows  Got a 65 plate C4 Picasso 1.6 and the warning light for the adblue came on last night on the road ho[more ...] By DCB  On Wed Mar 22 2017, 09:47am
11 1406 avionista
Sat Dec 16 2017, 06:03am
Boost pressure valve  Has anybody got a guide on how to fit a boost pressure valve on the vts hdi? By Brucey  On Tue Nov 14 2017, 02:29am
None 532 -
Lambda sensor Citroen C4 Grand Picasso 1.8 Petrol 2008  Hi there. I posted a few weeks ago about a de-pollution fault I'm experiencing and I've spent a bit [more ...] By adamgt80  On Wed Sep 20 2017, 10:46am
2 738 rusky
Mon Nov 06 2017, 01:40pm
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
3 11026 iang
Fri Nov 03 2017, 04:19am
62 plate C4 Picasso with electronic handbrake and no release button - brake pad renewal  I am about to replace the rear brake pads which I have found a suitable post for but there is still [more ...] By jblogs  On Fri Oct 27 2017, 08:59am
3 684 routemaster1
Sat Oct 28 2017, 03:14pm
citroen c4 picasso 2007 autogearbox dont show and stuck in 3rd  today this problem show autogearbox doesnt show (A1,A2 etc) now show only M (1,2,3) so when i drive [more ...] By cenii  On Tue Oct 17 2017, 04:40am
2 557 cenii
Tue Oct 17 2017, 03:44pm
Lexia or Delphi near Lymington (Hampshire)  As per title. I am undecided over which setup is best and now my GP has thrown a tantrum it wont let[more ...] By alfymech  On Fri Oct 13 2017, 10:52am
None 520 -
C4 Picasso Airdream - problem with audio head unit  HI Everyone - I have a 2013 C4 Picasso Airdream I have an issue with my audio head unit touch screen[more ...] By TonyV  On Sat Sep 16 2017, 02:19pm
4 674 matjam
Thu Oct 05 2017, 03:55am
Threading new 2007 C4 Picasso wing mirror through door  Hello.I am hoping someone can help me, I had my wing mirror smashed off my 2007 Grand Picasso, I hav[more ...] By Ilovemydpf  On Wed Sep 27 2017, 06:06am
None 589 -
1.6 HDi EGS gearbox  Sorry if this has been posted already but I cannot find a relevent post despite searching everything[more ...] By alfymech  On Sun Sep 24 2017, 03:03pm
None 600 -
Citroen c4 picasso 2007 fuel level too low  I fill my fuel tank but im getting fuel level too low. Why this? By cenii  On Mon Sep 11 2017, 10:48am
3 818 BigJohnD
Mon Sep 18 2017, 07:18am
C4 Picasso Starter Motor testing  Hi Folks, I have a 2007 C4 Picasso 16 HDI, Townsville, Queensland Australia, which has had the sympt[more ...] By bigredvac  On Wed Sep 06 2017, 05:23am
1 684 calderscot
Thu Sep 07 2017, 03:33pm
Engine stops in 80km/h :O  My Citroen C4 Picasso engine stops when I was 80km/h. What can be the problem?  By cenii  On Mon Aug 28 2017, 11:24am
None 615 -
Citroen C4 2010 VTi 120 (EP6)  Hi,The car seems not so powerful as it was about a year ago. I have changed the engine air filter an[more ...] By Blackened  On Fri Aug 25 2017, 09:05am
None 629 -
Citroen C4 Picasso 2007 automatic transmission  When Citroen changes transmission from A1 to A2 I can hear loudly I don't know why and when is in ci[more ...] By cenii  On Thu Aug 24 2017, 04:25pm
None 626 -
Lexia Access Code  Hi i am currently running diagbox version 7.57 I am wanting to recalibrate the clutch, but dont seem[more ...] By gt160  On Mon Jul 31 2017, 11:16am
6 1012 gt160
Wed Aug 16 2017, 06:20am
Depollution system faulty Citroen C4 Picasso  I have a Citroen C4 Picasso 2007 and I get depollution system faulty and sometimes in city engine st[more ...] By cenii  On Fri Aug 11 2017, 04:39am
1 803 wozza
Fri Aug 11 2017, 01:38pm
C4 Picasso 2007 tyre puncture detected  I bought a C4 Picasso 2007 and I'm getting on screen tyre puncture detected and stop warning, and de[more ...] By cenii  On Thu Aug 10 2017, 11:53am
4 797 BigJohnD
Fri Aug 11 2017, 06:04am
What is this part called?  There is a vertical bar that holds the plastic wheel arch in place. It is a vertical bar about a foo[more ...] By Gregshutie  On Sat Jul 29 2017, 09:08am
3 835 Gregshutie
Sat Jul 29 2017, 01:04pm
Grand Picasso - various issues. Urgent!  Hi allI'll start the story from the beginning....I have C4 Grand Picasso diesel. We went out for a f[more ...] By mike79  On Sat Jul 15 2017, 11:31am
3 1063 mike79
Sat Jul 15 2017, 12:21pm
Limp Home Mode  Familiar story. Approaching home when car went into limp home mode - in outside lane in busy traffic[more ...] By malkyriley  On Thu Jul 13 2017, 10:35am
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