C4GP EGS Gearbox removal (video)

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Chefslot
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C4GP EGS Gearbox removal (video)

Post by Chefslot »

Also related to this post viewtopic.php?f=3&t=61093&start=30

Not to sure how long this took me as was in no rush, Marc not to sure if you know the estimated time Citroen would give?



Last edited by Chefslot on 20 Feb 2019, 17:04, edited 3 times in total.
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Re: C4GP EGS Gearbox removal (video)

Post by GiveMeABreak »

Thanks for posting that Chef - was that your video? It's a swine of a job and not for the faint hearted. I just hope you can now resolve the issues with repair / replacement / programming.
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Re: C4GP EGS Gearbox removal (video)

Post by Delvey »

Excellent video, and it kind of makes me glad I have sold mine.
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Re: C4GP EGS Gearbox removal (video)

Post by Chefslot »

GiveMeABreak wrote: 27 Nov 2018, 11:56 Thanks for posting that Chef - was that your video? It's a swine of a job and not for the faint hearted. I just hope you can now resolve the issues with repair / replacement / programming.

Hi, yes my video, my mums car. Sorry for the late reply, didnt see any notifications. Still got a video coming of it going back together. Apart from that I really could do with some torque setting for the;
/ Central Slave Cylinder, appears they have had loctite on,
/ Pressure plate bolts, reuse?
/ Bell housing bolts,
and the suspension nuts and bolts, i think i can get most of the suspension torque settings from the haynes manual i brought, haynes have cut down on their books, so had to use a generic C4 manual. I'm guessing they are the same, but just want to check as it's a different weight class. So for this,,
/ Wheel bearing nut,
/ sub frame bolts,
/ steering rack nuts,
/ control arms,
/ steering joints,
/ roll bar,
Theres possible a few more, and if there is any thats torque to sheer obviously i could do with replacements.

Thank you Marc.
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Re: C4GP EGS Gearbox removal (video)

Post by GiveMeABreak »

Leave it with me - just got back from town where the dipped beam bulb went on the other C3 and I've had to give up on changing the bu**er - near impossible to release the bloody stupid retaining clip and no room to get your hand in! I think it would of been easier to attempt what you're doing that changing a bloody bulb on a C3!

I'll get some torque settings for your shortly.
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Re: C4GP EGS Gearbox removal (video)

Post by GiveMeABreak »

Ok, sorry about the delay - here you go - I've also included the Piloted Gearbox Settings too in case Haynes have it all wrong as commonly happens :roll:
Aything else missing, let me know.
Chef MCP A.png
ReferenceDesignationTightening torque
(1)Bolts and nuts Coupling of gearbox on engine5,4 daNm
(2)Screw fixing the hydraulic clutch bearing2,2 daNm
(3)Screw fixing the gearbox impacter6 daNm
Chef MCP B.png
ReferenceDesignationTightening torque
(4)Screw fixing the piloting actuator2,2 daNm
(5)6th gear cover fixing screw2 daNm
(6)Gearbox housing / clutch housing fixing screws2,2 daNm
(7)drain plug4 daNm
(8)Pressure accumulator8 daNm
Chef MCP C.png
ReferenceDesignationTightening torque
(9)Union (High pressure pipes )2,2 daNm
(10)Union (High pressure pipes )1,8 daNm
Chef MCP D.png
ReferenceDesignationTightening torque
(11)Flange retaining screw1,8 daNm
(12)Input shaft end piece bolt18,2 daNm
(13)Output shaft end piece bolt10 daNm
(14)Closer on the 3/4 fork balls channel1,6 daNm
(15)Closer on the 5/6 fork balls channel (reverse gear)4 daNm
Chef MCP E.png
ReferenceDesignationTightening torque
(16)Linking bracket screw2,3 daNm
(17)Bolt Input shaft rotation sensor1 daNm
Subframe
Chef Subframe A.png
ReferenceDesignationTightening torque
(1)Bolt (Front subframe extensions)5 daNm
(2)Nut (Front sub-frame tie rods )2 daNm
(3)Bolt (Front subframe) (*)9,8 daNm
(4)Bolt-nut assembly (Lower suspension arm / Front subframe) (*)11,1 daNm
(5)Bolt (Front anti-roll bar bearings) (*)10 daNm
(6)Bolt (Front subframe rear mounting reinforcement / Body) (*)10 daNm
(7)Bolt (Front subframe front lower crossmember ) (*)5 daNm
(*) Always to be replaced whenever removed

Struts
Chef Struts A.png
ReferenceDesignationTightening torque
(1)Nut (Suspension strut / Body) (*)7,5 daNm
(2)Nut (Front damper upper cup)8 daNm
(3)Nut (Front anti-roll bar rod / Front shock absorber) (*)4,3 daNm
(4)Nut (Front anti-roll bar rod) (*)4,3 daNm
(5)Nut (Front pivot lower ball-joint / Lower arm) (*)4,2 daNm
(6)Nut (Front pivot lower ball-joint / Front pivot)23 daNm
(7)Hub nut (*)31,2 daNm
(8)Bolt-nut assembly (Damper spring assembly / Front pivot) (*)8 daNm
(*) Always to be replaced whenever removed
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Re: C4GP EGS Gearbox removal (video)

Post by Chefslot »

GiveMeABreak wrote: 01 Dec 2018, 14:44 Leave it with me - just got back from town where the dipped beam bulb went on the other C3 and I've had to give up on changing the bu**er - near impossible to release the bloody stupid retaining clip and no room to get your hand in! I think it would of been easier to attempt what you're doing that changing a bloody bulb on a C3!

I'll get some torque settings for your shortly.

Holly cow Marc, thank you very very much, i think that is all except how tight to do up the cookie jar!!

Oh the days of changing a megane 2 bulb,,, they will always stay with me!!
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Re: C4GP EGS Gearbox removal (video)

Post by Chefslot »

Sorry just a little more advice, the torque on the steering rack to sub frame, should be two nuts and there is also a engine mount, drivers side bottom to subframe.
Also does it suggest to put the car back together before bleeding and resetting the EGS? I would assume so as it would need to know where the biting point is?
Regards
(i think that is it, lol)
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Re: C4GP EGS Gearbox removal (video)

Post by Chefslot »

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Re: C4GP EGS Gearbox removal (video)

Post by GiveMeABreak »

Here you go Chef: I'll see what I have on the last point of your question shortly.
Chef Steering A.PNG
ReferenceDesignationTightening torque
(1)Nut (Steering universal joint / Valve stem) (*)2 daNm
(2)Bolt (Steering column / Crossmember)2,2 daNm
(3)Nut (Steering column / Crossmember)0,7 daNm
(*) Always to be replaced whenever removed
Chef Steering B.PNG
ReferenceDesignationTightening torque
(1)Nut (Steering ball joint) (*)4,5 daNm
(2)Union (Hydraulic pipe / Distribution valve)0,8 daNm
(3)Bolt (Bracket / Distribution valve)1,9 daNm
(4)Bolt (Distribution valve / Steering mechanism)2 daNm
(5)Union (Hydraulic pipe / Steering ram)0,8 daNm
(6)Stud (Steering mechanism)0,9 daNm
(7)Nut (Steering mechanism) (*)10 daNm
(8)Steering rod7 daNm
(9)Locknut (Adjusting the steering track rods)7,5 daNm
(*) Always to be replaced whenever removed

Chef Steering C.PNG
ReferenceDesignationTightening torque
(1)Nut (Electro-pump / Chassis leg)2 daNm
(2)Bolt (Bracket / Electro-pump)2 daNm
(3)Bolt (Electro-pump / Chassis leg)2,3 daNm

RH Engine Support
Chef Sub A.PNG
ReferencedaNm
(1)6 ± 0,6
(2)6 ± 0,6
(3)4,5 ± 0,4
LH engine support
Chef Sub B.PNG
ReferencedaNm
(4)1 ± 0,1
(5)6,5 ± 0,6
(6)1,9 ± 0,2
(7)3 ± 0,3
(8)6 ± 0,6
(9)5 ± 0,5

Lower engine mounting
Chef Sub C.PNG
ReferencedaNm
(10)6 ± 0,6
(11)4 ± 0,4
MCP Piloted Manual Gearbox
Chef Sub E.PNG
ReferencedaNm
(14)6 ± 0,9
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Re: C4GP EGS Gearbox removal (video)

Post by GiveMeABreak »

As for Depressurising / Pressurising & Bleeding:

1. Depressurizing the system
  • Connect the diagnostic equipment to the vehicle’s diagnostic socket.
  • Switch on the ignition.
  • Using the diagnostic tool : Select : Depressurisation of the hydraulic circuit.
  • All the oil contained in the electrohydraulic actuator unit and in the pressure accumulator returns to the piloting actuator hydraulic reservoir.
  • The piloting actuator hydraulic circuit is no longer pressurised.
2. Repressurising
  • Connect the diagnostic equipment to the vehicle’s diagnostic socket.
  • Switch on the ignition.
  • Using the diagnostic equipment : Select : Pressurising the hydraulic circuit.
  • The electric motor of the electrohydraulic actuator unit operates for a few seconds.
  • The piloting actuator hydraulic circuit is pressurised.
3. Bleeding the hydraulic circuit
  • Connect the diagnostic equipment to the vehicle’s diagnostic socket.
  • Switch on the ignition.
  • Select: In the diagnostic tool menu :
  • The vehicle
  • The RPO no.
  • Perform the global test.
  • Using the diagnostic equipment: Select: Bleeding the hydraulic circuit.
  • The diagnostic tool pressurises the piloting actuator hydraulic circuit, changing through all the gears in order to force air out of the circuit.
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Re: C4GP EGS Gearbox removal (video)

Post by Chefslot »

Marc you are a legend!!!!

I take it all this is done when the car is put back together on four wheels? Also once these 3 steps are completed is there anything else like reprogramming the biting point or is this all done automatically?
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Re: C4GP EGS Gearbox removal (video)

Post by RichardW »

Note you will need an external power supply to get it to program, battery charger or jump it off another (running) car. There might be a clutch adjustment in Diagbox, otherwise just pull away hard a few times.
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Re: C4GP EGS Gearbox removal (video)

Post by GiveMeABreak »

Glad it helps - Richard's your man for the programming of these systems as I run in the opposite direction if I see one!
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Re: C4GP EGS Gearbox removal (video)

Post by Chefslot »

I know what you mean Marc, disliked the Renault Clip, hoping this one will be a little easier on the brain.
Thank you Richard, will be picking your brain no doubt.
Regards all
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