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Brake Fluid explained Brake fluid... Bit of a mystery topic!To help dispel some myths and for some good solid general info[more ...] By oilman On Mon Dec 13 2010, 07:32am

3843

kipper
Thu Mar 22 2012, 07:47am

[Sticky]
MOT Test 2012 changes There has been lots of discussion as to what will and won't be required from 2012 so if you want the[more ...] By Web Admin Only On Wed Oct 26 2011, 03:54am

4402

PentlandC4
Tue Jan 03 2012, 03:02pm

[Sticky]
Aftermarket HID headlamps. What you need to know. July 07 HID = High Intensity Discharge, commonly known as Xenon, headlights.From the Dept for Transport, Dec[more ...] By BigJohnD On Wed Jul 25 2007, 10:24am

5535

Web Admin Only
Thu Feb 03 2011, 01:49am

[Sticky]
The Definitive Biodiesel Guide for your C4 According to Citroen Sustainable Development Team as of September 2008, this is the guidance for run[more ...] By firebee On Fri Sep 05 2008, 07:12am

7128

routemaster1
Sat Feb 20 2010, 11:31am

[Sticky]
EGS Gearbox Classification I have spoken to DVLA (both Swansea and London) and neither organisation is sure how to classify the[more ...] By blueclouduk On Wed May 07 2008, 05:05am

5624

The Lyonator
Mon Dec 08 2008, 03:27pm

Forum Threads

C4 Hatchback Air Conditioning system parts Hi guys, forum noob here so firstly Hello, my name is Pete. I have a 2007 C4 Cool 5 door hatch 1.6 p[more ...] By GBXPETE On Mon Jul 10 2017, 10:50am

129

GBXPETE
Sun Jul 23 2017, 11:19am

VTS 180 5/30w or 5/40w Hey all recently new here. Can't find a definite answer on the search button as some say 5/30w and 5[more ...] By AndrewVTS On Sat Jul 15 2017, 07:00pm

113

wozza
Fri Jul 21 2017, 05:43pm

C4 only starts in the afternoon - seriously! HiThe subject isn't far wrong. My 08 plate C4 (1.6petrol) only seems to start in the afternoons.Esse[more ...] By N34panda On Wed Jul 19 2017, 02:01pm

None

Help with C4 parking sensor and Depollution errors No, not the bomb. The Citroen! My mum's 2004 C4 1.6HDi VTR+ has had its "engine pollution" message o[more ...] By CaptainJack On Tue Feb 04 2014, 08:24am

2337

fgo_swe
Wed Jul 12 2017, 03:02pm

C4 2007 HDI. AIR CON PROBLEMS Had my c4 regassed 2 days ago.Used the car day later, now blowing warm air.Controls not been altered[more ...] By grantie2265 On Sun Jul 09 2017, 04:38am

112

riven1962
Tue Jul 11 2017, 02:23am

Front bumper to car inside wiring HiI have successfully installed Rear bumper parking sensors. Now I would like to have the same done [more ...] By xbot On Sat Jul 08 2017, 12:12pm

wozza
Sun Jul 09 2017, 10:32pm

C4 Hatch stop start 62 plate engine fault flashes up when car starts Hi hope someone can come up with an answer, everytime I start the car it beeps and flashes up on the[more ...] By wizzpot On Mon Jul 03 2017, 03:22pm

None

C4 HDi Oil in air intake pipe, normal? Wonder if anyone could perhaps enlighten me to something which I've noticed on my VTR+ 1.6 Hdi. It h[more ...] By rowls On Thu Apr 28 2011, 02:10pm
Goto page: [ 1 2 ]

20712

novawaves
Wed Jun 28 2017, 12:31am

C4 Grand Picasso 2013 Start Stop issues I have a C4 Grand Picasso Diesel Auto 1.6 2013 and only have done 7700 miles.Suddenly the Start Stop[more ...] By mastercare On Fri May 19 2017, 05:01am

337

mastercare
Thu Jun 22 2017, 06:21pm

C4 VTS Coupe, AFIL system communication problem Hi,I have a problem with AFIL system. It's been working fine and now I have fault code, something li[more ...] By lechu1777 On Wed Jun 21 2017, 11:34am

127

wozza
Wed Jun 21 2017, 05:56pm

Loss of coolant HelloMy C4 1.6 HDi has been losing coolant. The mechanics told me it's the oil cooling radiator. I c[more ...] By brianw On Thu Jun 15 2017, 04:41am

None

146

Radiator fan not running Hi,I know this is similar to other threads about the radiator fan not running, but it is the hottest[more ...] By HansZarkov On Mon May 29 2017, 03:37pm

269

rusky
Tue Jun 06 2017, 04:38pm

C4 VTS clutch vibration I have a 2006 C4 180 VTS (2.0 16v) which I am told is the normal clutch, not a DMF. I have a receipt[more ...] By fish6634 On Fri May 26 2017, 09:35am

253

Ham
Mon May 29 2017, 10:05am

Lexia diagnostic fault message Hi, just run a Lexia diagnostic, and it reports the following fault:'Ecu EDC16C34_DV4 fitted to 9HX'[more ...] By HansZarkov On Fri Apr 28 2017, 02:58pm

306

HansZarkov
Tue May 23 2017, 02:08pm

Question about Lexia 3 cables on ebay Hello all, I just got myself a 2007 1.6 Hdi hatch. I want to add an auxiliary port to the stereo and[more ...] By Nicholas_yiu On Tue May 23 2017, 11:23am

None

157

C4 2006 DMF? Hi allCan anyone tell me if my 2006 VTS has a dual mass flywheel? Just dreading it having one in cas[more ...] By fish6634 On Sat May 06 2017, 03:50am

309

BigJohnD
Mon May 15 2017, 12:18pm

C4 1.6 petrol 2007 cambelt snapped - 'economy mode active' The timing belt snapped on a Citroen C4 2007 1.6 petrol automatic and subsequently went into economy[more ...] By lloydthomas On Sat May 06 2017, 04:33pm

279

lloydthomas
Sun May 07 2017, 03:41am

C4 hatch 2011 MY coil springs problem My wife's car has been at the local garage (not main dealer but trusted garage) since the weekend as[more ...] By cliver18 On Thu Apr 27 2017, 10:50am

271

cliver18
Thu May 04 2017, 05:10am

C4 - Glove box removal I tried to remove the glove box in my C4 ( Make year 2009 ). To remove it, I removed the torx head s[more ...] By CitroenZX On Sat Apr 29 2017, 09:08am

231

rusky
Sat Apr 29 2017, 10:12am

C4 VTS 2006 Hi all Just a quick question, does my 2006 VTS 180 have variable valve timing? Thanks By fish6634 On Fri Apr 28 2017, 03:43am

210

wozza
Fri Apr 28 2017, 12:31pm

C4 VTS 2.0 petrol - performance problem? Hello everybody! First and foremost I'd like to excuse for my poor language skills - english is my s[more ...] By quain On Wed Apr 26 2017, 02:41am

263

quain
Fri Apr 28 2017, 02:39am

Clamp for EGR (1.6HDi VTR+) Folks am about to remove my EGR (after blown turbo replaced and Depollution fault error and and abou[more ...] By Lam-d On Sun Mar 26 2017, 09:16am

378

gmerry
Tue Apr 25 2017, 02:52pm

Replacing broken radio I've just found one of those niggles when you get a 2nd hand car... the CD player doesn't work.I don[more ...] By HansZarkov On Wed Apr 12 2017, 05:42pm

236

jpbroad1970
Thu Apr 13 2017, 02:15am

Flywheel type & DPF fitted Hi All,A couple of questions about the 1.6hdi 92bhp engine...1\ Is this engine fitted with a du[more ...] By HansZarkov On Sun Apr 09 2017, 05:28pm

226

BigJohnD
Sun Apr 09 2017, 06:17pm

ESP/ASR braking fault HiI know this has been asked loads of times.I have a 2006 Citroen C4 1.6HDi Driving home and my ESP/[more ...] By Vinnie650 On Fri Mar 24 2017, 02:41pm

246

BigJohnD
Thu Apr 06 2017, 03:48am

Have I dodged a bullet or missed out? Hi all,This is my 1st actual thread....c4 exclusive 2.0 hdi 2007I've been on the lookout for a c4 ex[more ...] By HansZarkov On Fri Mar 24 2017, 05:42pm

313

riven1962
Sun Mar 26 2017, 05:54am

Grand C4 Picasso 2014 (Airdream) - power steering reservoir Hi, my 2014 Grand C4 Picasso has developed a squeak/whine when turning the steering wheel. I suspect[more ...] By sweepexec On Sat Mar 25 2017, 12:52pm

222

gittos
Sat Mar 25 2017, 05:42pm

Erractic engine temp!! Hi. After a cold spell -3/-4 my 2006 C4 1.6 petrol the temp gauge has started behaving erratically.90%of the time im getting a solid 3 bar on the gauge on the dash, then it will rise to full and the "stop" sign will light up. Within a few seconds the gauge will come down to normal temp again.Any ideas on what is causing this and how to sort it!!!Many thanks, Dan By danatnw5 On Sun Mar 19 2017, 04:13pm

280

HansZarkov
Sat Mar 25 2017, 05:25am

C4 1.6HDi VTR+ 5 dr hatch - front coil spring completely broken Hi all, has any one had a front suspension coil spring completely break in two over night?Got in my [more ...] By Phil H On Tue Aug 28 2012, 04:23am

3287

routemaster1
Fri Mar 24 2017, 09:32am

1.6HDi lack of oil to turbo As the title says I've just fitted a new turbo to my C4 1.6HDi and one of the last jobs is to measur[more ...] By Bert On Sun Jan 03 2016, 04:12am

1887

iang
Sat Mar 18 2017, 01:31pm

Sump Removal ..1.6 HDi VTR+ 2006 Folks have done a search and i think the info my be in the Premier section (not a member). Need to g[more ...] By Lam-d On Sun Mar 12 2017, 05:58am

301

rusky
Sun Mar 12 2017, 04:24pm

1.6 HDi 2006 Engine Oil Folks, what engine oil do I need to be buying I did a search and it was very vague ..I went to get o[more ...] By Lam-d On Fri Mar 10 2017, 04:01am

317

riven1962
Fri Mar 10 2017, 11:24am

2005 C4 2.0HDI hatch coolant leak- advice on likely problem area Hello,My normally reliable trusty C4 has developed a sudden serious coolant loss, ie the head tank c[more ...] By ken1202 On Wed Feb 15 2017, 05:12pm

424

KenC
Thu Feb 16 2017, 01:46pm

Need 2nd hand ECU kit 1.4 VTR petrol Hi folks, my ECU is fecked. I'm looking for a matching ECU, engine fuse box, BSI and key matching th[more ...] By Modm On Thu Feb 02 2017, 05:46am

369

Mrfixit
Thu Feb 02 2017, 04:21pm

Temperamental A/C Coolant Temp Sensor Part Number Hi Guys,I am having very intermittant A/c in my 2010 C4 VTR LA_ Coupe that has an EP6C (5FW) fitted [more ...] By Jono.Williams On Sun Jan 29 2017, 10:27pm

None

284

PP2000/Diagbox Lexia 3 to check PDC and disable tyre pressure monitor? Hello,I have a 2008 Citroen C4 1.6 HDi, but having some occassional problems with the parking sensor[more ...] By roomster On Sat Jan 21 2017, 06:06am

368

Biohead
Sat Jan 28 2017, 11:30am

Manual gearbox type Hi!My 1.6 2005 vtr petrol has N type gearbox. Could anyone give a hint how to find out which is the [more ...] By Riukka On Tue Jan 24 2017, 10:26am

487

BigJohnD
Wed Jan 25 2017, 05:54pm

Carplay help CARPLAY....Please help So I just got a 2016 C4 flair BlueHDI 120 which says in the book that I hav[more ...] By PTS-0180 On Sun Jan 22 2017, 06:14am

414

PTS-0180
Mon Jan 23 2017, 03:38am

Coupe HDiF turbo issues So I have been struggling with this issue for a while now.Last year I got the DPF failure light in m[more ...] By kay81290 On Sun Jan 08 2017, 06:21am

613

rusky
Sat Jan 14 2017, 07:12am

C4 Grand Picasso 2016 Hello Experts..i would like to enable the MPS on my car screen, how can i download and activate this[more ...] By ahmed85 On Fri Jan 13 2017, 01:59pm

327

BigJohnD
Fri Jan 13 2017, 02:54pm

Wires under oil filter Hi all,re C4 hatch 2008Just wondering what the wires that enter under the oil filter are. There is a[more ...] By Tony123 On Fri Jan 13 2017, 12:55am

None

313

Light bulb headache HELP! Hi there, I own a coupe and wanted to change the tail light bulbs with LED type and can't seem to fi[more ...] By NikolaH On Mon Jan 02 2017, 03:24am

358

rusky
Mon Jan 02 2017, 04:04am

Installing cone air filter using standard airbox/piping Hi all, I have been looking into getting a new cone filter (probably K&N) for my 2005 1.6i VTR. [more ...] By tommyleed On Sun Jan 01 2017, 02:06pm

None

342

Removing / cleaning the Intercooler on a C4 1.6 HDi 2007 I have the well documented problem with oil in the air intake system. Last night I removed the doseu[more ...] By jimbob1979 On Tue Jun 14 2016, 04:33am

1106

stevjull2017
Sat Dec 31 2016, 06:50am

MAF Sensor replacement and black smoke It's a Citroen C4 1.6HDi diesel (2006), hatchback 5doors. Few days ago when I changed my air filter [more ...] By love2drive On Sat Dec 17 2016, 03:21pm

564

love2drive
Mon Dec 19 2016, 04:49am

Ignition System My question is regarding a 2006 C4 VTS Coupe 180bhp with the EW10J4S engine, does this car have a ''[more ...] By Redfive05 On Mon Sep 05 2016, 05:09pm

548

Redfive05
Wed Dec 14 2016, 01:00pm

Poor mpg on 1.6i 16v VTR. Also slight loss of power when accelerating Hi all, first post here but have been a member for a few months now. My C4 coupe (2005 1.6 petrol 10[more ...] By tommyleed On Sat Dec 10 2016, 11:33am

517

tommyleed
Sun Dec 11 2016, 05:51pm

Rear door still opens when after car is locked I've just bought a 2004 C4 2.0 VTR+ and, for the most part, it's a real good clean car for the age. [more ...] By tvr1982 On Fri Nov 11 2016, 02:17pm

434

bkod
Thu Dec 01 2016, 05:13pm

Clutch housing removal C4 1600 HDi VTR+ Help....Trying to remove clutch housing and gearbox, for replacement.removed all bolts, including na[more ...] By stue On Sat Nov 26 2016, 11:00am

470

stue
Sun Nov 27 2016, 11:28am

Wiring cables from bonnet to inside the car HiI have Citroen C4 1.6 SX HDI 2007 model car.Recently I have installed rear parking sensors that is[more ...] By xbot On Sun Oct 16 2016, 09:31am

528

wozza
Mon Nov 21 2016, 11:24am

C4 1.6HDi wont start I'm new here and hoping to get some ideas as to where to look next.I have a 2006 C4 1.6HDi EGS. It c[more ...] By Rennie On Sun Nov 20 2016, 12:15am

None

396

Citroen 4 rear hub nuts 32mm socket type help Hi I've recently changed my rear discs and pads on my Citroen C4 1.6SX 05 plate and the supplied hub[more ...] By Chippee On Fri Nov 11 2016, 11:04am

529

Chippee
Wed Nov 16 2016, 12:58pm

Hi, just bought the car (privately, so no comeback) as it accommodates wife's electric wheelchair ea Hi, just bought the car (privately, so no comeback) as it accommodates wife's electric wheelchair ea[more ...] By Jacqui13 On Thu Nov 10 2016, 04:05pm

363

rusky
Thu Nov 10 2016, 04:52pm

Fuel pump quick question Car: 2006 C4 1.6HDi 90 bhp I have a problem with low fuel pressure and my car won't start. The fuel [more ...] By nickcurtis On Sun Nov 06 2016, 08:23am

506

nickcurtis
Tue Nov 08 2016, 12:09pm

C4 Electrical Issue - Engine not starting Hello guys.Can you please help me with an issue on my Citroen C4 1.6 HDi? I have a problem since a w[more ...] By vladd.alex On Thu Nov 03 2016, 12:39am

None

429

Additional Heater Hi I wonder if you could help me with information regarding the C4 GP.The common rail engines are de[more ...] By C4GPEXL On Fri Jan 28 2011, 09:36am

2896

mopowah
Mon Oct 24 2016, 04:47pm

C4 HDi pre 2010 starting circuit, low power to solenoid. Good day allSorry to creep back like this after been gone for so long, was busy with some other proj[more ...] By Zedd On Fri Oct 07 2016, 10:19am

None

423

EGR Valve knackered? Hi,My '06 C4 VTR+ coupe 1.6 HDi (non dpf) has just ticked over 180k miles and has developed what I t[more ...] By fenderblast On Sun Sep 11 2016, 12:12pm

640

fenderblast
Tue Sep 20 2016, 04:18pm

2005 C4 2.0 HDi - Nut & Bolt for rear shock part number? Hi all,Just about to replace the rear shocks on my C4 and I was wondering if anyone can give me the [more ...] By trembling_blender On Tue Sep 20 2016, 05:02am

453

trembling_blender
Tue Sep 20 2016, 05:27am

Power sources In C4 Hatchback 2007 SX model, I am intending to install parking sensors and reverse camera.Where ca[more ...] By xbot On Wed Sep 14 2016, 06:51am

None

436

Replacing with electric car seat I have C4 SX which has manual-adjusted car seat, that will be replaced with electrical seats.Is ther[more ...] By xbot On Thu Sep 08 2016, 11:14am

None

466

Indicator wiring Hi guys, just changed my C4 GP for a 2013 C4 petrol automatic and have fitted LED running lights uni[more ...] By eddyspetey44 On Wed Sep 07 2016, 12:53pm

None

443

outside temp sensor hello people I'm after some help getting to the outside temp sensor in the mirror have taken the gla[more ...] By martinc4 On Sun Sep 04 2016, 01:19am

None

422

2005 auto aircon fan problem Hi!I have the following problem: the aircon fan of my '05 petrol hatch stopped working. This is an a[more ...] By gsa1300 On Sat May 28 2016, 03:20pm

1146

gsa1300
Thu Sep 01 2016, 12:44pm

Heater motor not working please help. Help please, I'm losing hair now right the heater fan just suddenly stopped ok so I'm looking at a r[more ...] By Jutty3 On Tue Nov 18 2014, 08:17am
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5313

gsa1300
Tue Aug 30 2016, 12:22pm

Help for a non technical person (multiple Issues) Hi Guys, I'm looking for some advice to see if anyone has had similar issues previous and how best t[more ...] By FutureVTS On Tue Aug 30 2016, 04:50am

522

KenC
Tue Aug 30 2016, 06:32am

C4 1.6 16v - headlights pulsing Hello,I have a problem with my car and no one was capable to solve it yet.Citroen C4 1.6 16v, 2008, [more ...] By Charles On Fri Aug 19 2016, 12:57pm

718

Charles
Wed Aug 24 2016, 10:41am

C4 1.4 16v - Lamda Issues - help! Hi Everyone,A bit of background:When you start the car for the first 15 seconds it's fine, then it'l[more ...] By Starbuck88 On Tue Aug 23 2016, 04:36am

510

Starbuck88
Tue Aug 23 2016, 01:48pm

Citroen C4 B7 2011 - lost USB, Bluetooth, Sound, Middle buttons (radio system). Can't find fuse. Anyone know where they are located in fuse box? Can't find any information from internet. By e1mar On Mon Aug 22 2016, 02:22am

456

BigJohnD
Mon Aug 22 2016, 06:31am

Service light then loss of power Hiya, got a 2004 1.6 petrol coupe.lately, the car without warning the service light comes on, usuall[more ...] By Philz0r On Mon Aug 08 2016, 12:33pm

586

Charles
Sun Aug 21 2016, 04:57am

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