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Author Topic: Can I use CX 2.4i GTI gearbox on Murena 1.6?  (Read 3891 times)
OpelMotorsport
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« on: May 18, 2015, 05:39:09 pm »

Hi,

I have Murena 1.6 which is sitting because of broken gearbox since 2-3 years. I found topic on here, that the Murena use the same gearbox as Citroen CX. So I found CX 2.4i GTI stripped for parts in my country, and my idea is if I can use the gearbox from the CX GTI on my 1.6 Murena? Just need it to move the car around, doesn't care about the performance and the gear ratios.

Best Regards,
Mladen
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GP
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« Reply #1 on: May 19, 2015, 08:30:28 am »

Hi, the CX Gearbox is only suitable for the 2.2 Murena. which is a different engine configuration.
I hope someone on the Forum can give you some advice on the 1.6 Gearbox alternatives?
GP
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JV
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« Reply #2 on: May 19, 2015, 09:22:46 pm »

In French there is a dossier on this issue:
http://www.espace-murena.com/technique.html
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Jan Verdam
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« Reply #3 on: May 19, 2015, 11:54:00 pm »

Hi, the CX Gearbox is only suitable for the 2.2 Murena. which is a different engine configuration.
I hope someone on the Forum can give you some advice on the 1.6 Gearbox alternatives?
GP
Not cool. I thought I can use the CX internals into my gearbox bell housing. Can't I?


In French there is a dossier on this issue:
http://www.espace-murena.com/technique.html
Thanks for the link, but can anyone tell me, in which cars I can found these gearboxes?

Type "Lancia"
- AC506
- 2GE14
Type "CITROEN"
- AC511
- 2GE16
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JV
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« Reply #4 on: May 20, 2015, 09:01:05 am »

Solara, Talbot/Simca1510 and perhaps others.
Horizon prémium, Peugeot 205GTX export Espagne have the same motor, I do not know about the gearbox
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Jan Verdam
Oetker
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« Reply #5 on: May 21, 2015, 07:53:40 pm »

What is defect on the gearbox?
The CX box you can use some parts for the 1.6
The primairy axle and bellhousing from a CX box is different.
Let me know, I have revived 4 boxes till now and found several problems in them.

Herman
« Last Edit: May 22, 2015, 04:40:29 am by Oetker » Logged

I feel like Jonah, only my fish looks different.
Murena 2.2 Red 1982. Murena 1.6 black on places.
OpelMotorsport
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« Reply #6 on: May 23, 2015, 02:09:09 pm »

The box is still on the car, and I'm not sure for the problem. There are no 1st and 2nd gear.

The good news are that I found Talbot 1510 for parts in my country. And probably this is the only 1510 in the country.

I'm going to collect the 1510 box from it next week and will keep you in touch.

THANK YOU EVERYONE!  Wink
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JL
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« Reply #7 on: May 23, 2015, 02:33:08 pm »

Just a thought, have you checked the linkage?

John
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Oetker
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« Reply #8 on: May 23, 2015, 03:55:49 pm »

Just a thought, have you checked the linkage?

John

Exactly,
Most of the time there is to much play and some rust on the levers in the system.
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I feel like Jonah, only my fish looks different.
Murena 2.2 Red 1982. Murena 1.6 black on places.
Oetker
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« Reply #9 on: May 23, 2015, 04:03:37 pm »



Check for rust.



Below the shiftlever the bush



All the joints for play

« Last Edit: May 23, 2015, 04:09:10 pm by Oetker » Logged

I feel like Jonah, only my fish looks different.
Murena 2.2 Red 1982. Murena 1.6 black on places.
roy4matra
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« Reply #10 on: May 24, 2015, 12:28:29 pm »

Hi,

I have Murena 1.6 which is sitting because of broken gearbox since 2-3 years.

Hello Mladen,

First question - you say the gearbox is broken, so what exactly is broken?  What happened to cause it?

Quote
I found topic on here, that the Murena use the same gearbox as Citroen CX. So I found CX 2.4i GTI stripped for parts in my country, and my idea is if I can use the gearbox from the CX GTI on my 1.6 Murena?

The gearbox is basically the same as the CX but there are differences obviously.  The first is the casing and the clutch bell housing.  This is why I ask what is broken.  If it is the casing then you probably can't use it, but if it is some of the internals then maybe it could be useful, as Herman has pointed out.

Quote
Just need it to move the car around, doesn't care about the performance and the gear ratios.

best Regards,
Mladen

Even within the CX range there are lots of different gear clusters and ratios anyway, so again it comes back to what exactly you need.

One point though, you say there is no first and second gear but are you positive it is not just the linkage?  It is more likely that the linkage is defective than something internal and expensive has failed.  You need to fully check the linkage externally before going to all the work of removing the complete transaxle, when it might simply be something you could fix externally.

Roy
« Last Edit: May 24, 2015, 12:33:30 pm by roy4matra » Logged

OpelMotorsport
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« Reply #11 on: May 29, 2015, 07:57:29 pm »

I was not sure about the problem in the gearbox and today I took out it from the car.
The linkage and the hausing are okay, the problem is in the reverse gear shaft.

Probably I'll by CX gearbox and I'll use the shaft from it, because the man who was selling 1510 for parts decided to keep in shape.
I guess the 2.4 CX shaft will fit the 1.6 gearbox, won't it?

best Regards,
Mladen
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Oetker
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« Reply #12 on: May 30, 2015, 05:21:56 am »

I guess the 2.4 CX shaft will fit the 1.6 gearbox, won't it?

Don't think so, but You have to compare.
I'm not sure all gears are the same as Murena.
Possible that the backplate located below 5th gear and on the housing is thicker and 5th synchro is probably different.
Then you need to replace all above 4th gear (bearings, gears, backplate synchro).
1.6


2.2


Difference


What you can use if the gearbox from the CX is later  then 1980 is second gear and baulkrings 1-4.
All kind of little stuff like sliders and levers but compare them.
The Murena box had some updates during his short life and not everything can be exchanged.
Read the manual about all adjustments.
It's not a easy job but start with dismanteling the CX box and show us some pictures.

I have a topic about it on the Balgium forum.
It is in Dutch but has lot's of pictures you can look about rebuild.
Can come in handy.

http://www.matramania.be/phpBB3/viewtopic.php?t=2305

Herman
« Last Edit: May 30, 2015, 05:28:38 am by Oetker » Logged

I feel like Jonah, only my fish looks different.
Murena 2.2 Red 1982. Murena 1.6 black on places.
OpelMotorsport
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« Reply #13 on: May 31, 2015, 01:16:05 am »

Thanks for the explanations about the CX box! Good news now.

The guy with Talbot 1510 changed his mind and decided again to strip it for parts. So today I bought the 1510 gearbox which is truly the same as the Matra's one.

Good days for the Murena, thanks to all of you. Cool

THANKS.
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Oetker
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« Reply #14 on: May 31, 2015, 09:24:16 am »

Don't be to sure about that.

1510

Pic Uber

Info I found but not confirmed

     Pri    Sec
------------------
1st  12 38
2de  13 33
3de  28 35
4de  33 31
5de  43 33
R 13 41
Pignon Wheel 14
Crown wheel dif 59

Murena 1.6


Herman
« Last Edit: May 31, 2015, 09:48:08 am by Oetker » Logged

I feel like Jonah, only my fish looks different.
Murena 2.2 Red 1982. Murena 1.6 black on places.
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