Possible that the C-crosser box is made by Aisin? Widely used.
The Aisin (auto) box that was fitted into Vectra and Astra was absolutely first-rate, smooth and long-lived.
You could try Wikipedia on the Mitsi Outlander, which details the huge number of options and changes to the model over its several generations.
Does the 'box have any identifying marks or numbers?
C Crosser, Dual Mass or Solid Flywheel
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Re: C Crosser, Dual Mass or Solid Flywheel
There is actually very little about this that is French, John. It is basically a Mitsubishi Outlander and that's about it - specs for the car are as thin as toilet paper, which tells me that there is little to nothing Citroen about the vehicle. Even the gearbox just says MEC Gearbox! The gearbox is part number: 223128 and I know it costs about £8.7k new.
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Re: C Crosser, Dual Mass or Solid Flywheel
GiveMeABreak wrote: ↑07 Mar 2019, 20:41 There is actually very little about this that is French, John. It is basically a Mitsubishi Outlander and that's about it - specs for the car are as thin as toilet paper, which tells me that there is little to nothing Citroen about the vehicle. Even the gearbox just says MEC Gearbox! The gearbox is part number: 223128 and I know it costs about £8.7k new.
Hello, yes I've googled and Wikied it, as you say little to no info, except on the engine, which although used in many vehicles across manufacturers was taken directly from the C5, so you may think the gearbox came across with it, not enough evidence to establish this, when ordering parts for anything but engine and box it's cheaper to order outlander bits, as they're identical, badged engineering at its best, I quite like the car, so it's going to be around a while, if I remain sane, or perhaps I have crossed the line.
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Re: C Crosser, Dual Mass or Solid Flywheel
That engine was not used in any of the C5 models John. The one in your car is a DW12MTED4 and this was never put into any C5 model.
The gearbox again is not common for proper PSA vehicles, so although the C Crosser was Citroen design, it is made by Mitsubishi.
The gearbox again is not common for proper PSA vehicles, so although the C Crosser was Citroen design, it is made by Mitsubishi.
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Re: C Crosser, Dual Mass or Solid Flywheel
Does the C-Crosser get power to the rear axle when in 4WD mode by a traditional propshaft, or is it some fancy-pants alternative method ?
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Re: C Crosser, Dual Mass or Solid Flywheel
Same as the Mitsubishi, just a normal good old fashioned propshaft, this thinking about it could be the problem, as suggested it was a badge exercise Citroen and Peugeot needed a soft roader, the Mitsubishi Outlander platform which if you look on WIKI is the platform for lots of other manufactures, it would of been easiest to except the 2.0 diesel gearbox that the outlander had at the time and make the 2.2 engine fit, then they had torque problems and settled the bhp on the 2.2 at 156, wich is going to make finding a suitable solid flywheel not the easiest thing. The outlander now has the 2.2 diesel as standard, so looks like the engine could of been part of the bartering process?
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Re: C Crosser, Dual Mass or Solid Flywheel
Seeing as the original thread has gone way off topic from flywheels, I have created a new Thread and moved the last few relevant posts to it - here:
Electric, Petrol, Diesel, Hybrid Debate
So please post all future replies about the electric debate there.
Electric, Petrol, Diesel, Hybrid Debate
So please post all future replies about the electric debate there.

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Re: C Crosser, Dual Mass or Solid Flywheel
Stumbled upon this:
Looks like an Aisin manual gearbox and a Getrag auto on the C-Crosser.
Looks like an Aisin manual gearbox and a Getrag auto on the C-Crosser.
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Re: C Crosser, Dual Mass or Solid Flywheel
I’ll have to look for a 2009 model 2.2 to see if they changed to that or whether they have always been the same on the OP’s 2007.
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Re: C Crosser, Dual Mass or Solid Flywheel
Hmmm Getrag not had any dealings but comments I have picked up on say they are a bit like Marmite..............................................Mine seems when warm to be exceptionally smooth, when cold a tad notchy between 1st and 2nd
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Re: C Crosser, Dual Mass or Solid Flywheel
Just had a look at a new DMF for your Crosser - new OEM one is £574.27 (0532S5), plus £100 surcharge - refundable on exchange most probably.
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Re: C Crosser, Dual Mass or Solid Flywheel
That's a classic symptom of too stiff a transmission oil. Try looking for an alternative, eg a manual transmission fluid like Syntrax/Syntrans (from Castrol), or maybe the good old error of using a 75W/90 when a 75W/80 would be better, or GL-4 (rather than GL-5) which makes for easier gear engagement and synchromesh on PSA manual boxes.
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Re: C Crosser, Dual Mass or Solid Flywheel
white exec wrote: ↑09 Mar 2019, 10:03That's a classic symptom of too stiff a transmission oil. Try looking for an alternative, eg a manual transmission fluid like Syntrax/Syntrans (from Castrol), or maybe the good old error of using a 75W/90 when a 75W/80 would be better, or GL-4 (rather than GL-5) which makes for easier gear engagement and synchromesh on PSA manual boxes.
Oil changed to fully synthetic 75/80 as specified to see if the problem went away, it got better, waiting for it to mix with what ever was in there as it looked like a different oil had been added, (No crystal ball available to know what, but it was gloopy) If I wait between gears for the relevant cogs and syncros to sort them selves its ok.
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Re: C Crosser, Dual Mass or Solid Flywheel
Officially recommended Gearbox oil for the manual 6 Speed is 75W80 GL4.
The C Crosser as far as I can see are now made in Nagoya, Japan, having previously been made in Mizushima. None of their boxes are used in other PSA vehicles, apart from the Peugeot 4007 - which is of course the same vehicle again as the Outlander. They are fitted with either a 5 speed manual, a 6 speed manual, a 6 Piloted Speed DCS (Dual Clutch System) or a continuous transmission six speed Auto (not an AM6). I can't find much other info on these.
The C Crosser as far as I can see are now made in Nagoya, Japan, having previously been made in Mizushima. None of their boxes are used in other PSA vehicles, apart from the Peugeot 4007 - which is of course the same vehicle again as the Outlander. They are fitted with either a 5 speed manual, a 6 speed manual, a 6 Piloted Speed DCS (Dual Clutch System) or a continuous transmission six speed Auto (not an AM6). I can't find much other info on these.
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Re: C Crosser, Dual Mass or Solid Flywheel
Information is very scarce, but if you look at the Outlander more becomes available, like how many other cars use the platform, parts become more widely available (Except Model specific) I was looking at the rear suspension, common complaint is its too low and bottoms out when towing a caravan or heavy trailer, I used to tow a Caravan with my other vehicles but not now, however I do tow a four wheel heavy trailer now and then, unloaded it puts the back down and its very well balanced with a bias to the coupling, so getting to my point Shock Absorbers from later model Outlanders and other models using the same platform have coils on the shocks, like the old coil overs, my set up is separate coils and shocks, so was wondering about adding the later coil units? I am still investigating the rear coil springs as they are new and has someone fitted the wrong ones or tried to lower it?