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Old 25-02-2014   #16
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Re: Croma driveshafts

I have done the 8v engine, not a big job takes longer to get under tray off than change shaft. Tarquin says it's m32 gearbox in 150 bhp model, I haven't done one yet, but happy to do one if there's someone local who wants it doing. I have 30 years in motor trade and last 22 years working for gm. Keep my hands in at the weekend to de stress! You repairer would need to remove the shaft an measure diameter of spline, and compare with the vectra shaft, I have an f40 gearbox shaft so can tell you diameter of that and m32 gearbox. To do it buy both shafts, including the bracket on the shaft that bolts to the sump. The vectra is a two piece shaft on os, simply remove shafts And swap them. Top up gearbox oil 10mm Allen screw easy to get at, and off you go no more shakes. The car I did was transformed, it was horrific between 40 55 mph. Note there are thousands of vectra's in the uk. The driveshafts I got had done 40 k and they felt like new.
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Old 25-02-2014   #17
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Re: Croma driveshafts

Thanks for all the info. I might have to find a local indie Vauxhall specialist. Or I might see if I can tie together a visit to my northern family in with a trip to Leeds (with suitable numbers of Tetley tokens obviously). If you would be interested then please PM me your email address, just in case you vanish from the forum. I might be thinking about later in the year, not sure yet.

Either way, your input is very very useful.
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Old 26-02-2014   #18
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Re: Croma driveshafts

Ive pm you with my e mail address
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Old 17-03-2014   #19
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Re: Croma driveshafts

Just to put another bit of info out there, I have at long last found the repair manual for my old Marea and the mark 1 Punto we had a few years ago. It shows that both models have the "spider"/ "tripod " joints included and as someone said earlier that they had never encountered a Punto with a problem with a drive shaft it makes me wonder if its a power delivery mismatch rather than bad design.

It would be interesting to find out how many 120-8v have had probs against the 150-16v?
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Old 19-03-2014   #20
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Re: Croma driveshafts

Hi Chris, I tried to order a full Vectra C, O/S drive shaft for my 8v 120bhp Croma from my local autofactors but they told me it was a different length? Would you have part numbers for all the parts that I would need to do the swap? Thanks in advance, Matt.
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Old 21-03-2014   #21
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Re: Croma driveshafts

Hi they are same I have car back in tomorrow for an alternator so will take a few pictures for you to show it in situ, but you would need a bracket from a vectra that bolts to the sump, by a complete one off e bay check item 291095240895
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Old 22-03-2014   #22
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Re: Croma driveshafts

Would love to see some pictures.

I heard the same story about length when my garage contacted parts suppliers, after I'd told him it was probably a Vectra one. In the end it was a choice between a Fiat one from a main dealer for £loads or a recon job on the existing one. We got the recon, but it's been only slightly better after the "fix".

I can't understand why it wouldn't be the same as a Vectra one - it has a Vectra's gearbox and all the suspension components are GM-marked. My spare wheel came from an Astra and fits perfectly - the same offset and everything. It shares absolutely nothing wheel-related with any other Fiat.
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Old 22-03-2014   #23
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Re: Croma driveshafts

Quote Originally Posted by Chris T View Post
Hi they are same I have car back in tomorrow for an alternator so will take a few pictures for you to show it in situ, but you would need a bracket from a vectra that bolts to the sump, by a complete one off e bay check item 291095240895
Thanks for the reply, appreciate the info! Will have to see if I can get one delivered to Ireland!
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Old 22-03-2014   #24
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Re: Croma driveshafts

Reply to do over did you fit a recon fiat shaft?
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Old 23-03-2014   #25
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Re: Croma driveshafts

...I guess that meant me.

My original driveshaft was sent away by next day delivery, reconditioned, then sent back on the third day. It was £100-ish for the 2-way delivery and recon, plus the removal/fitting by the garage.

It's rubbish and not worth bothering with. It's dumped its entire contents of grease once or twice. I've had it filled with the specified quantity of the exact Selenia grease, but it's still very twitchy.

I think the recon company was up north or midlands somewhere, I never knew who as it's a company the garage has used before so they arranged it.

A big waste of money for little or no benefit, don't bother.

So the choice is a second mortgage to get a new crappy Fiat one, or this new much more promising idea of a Vectra one.

Mine's a 16v, with the 6-speed gearbox.
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Old 23-03-2014   #26
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Re: Croma driveshafts

We're about in Hampshire are you I travel all over uk so could drop you off what i think you need to fix your car. I note there are doubters on this site but I can assure you the gm shaft design is far better than the fiat one. I had the car in again yesterday but the battery was at fault not the alternator. But I will get some pictures to stop the doubting thomases
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Old 23-03-2014   #27
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Re: Croma driveshafts

Quote Originally Posted by Chris T View Post
We're about in Hampshire are you I travel all over uk so could drop you off what i think you need to fix your car. I note there are doubters on this site but I can assure you the gm shaft design is far better than the fiat one. I had the car in again yesterday but the battery was at fault not the alternator. But I will get some pictures to stop the doubting thomases
I have a day off work tomorrow so I'm going to fit all the parts that need doing. (Thermostat, rear discs, rear spring, front drop links, balancing and tracking) Will order the full drive shaft tomorrow and hopefully fit on my next day off. The shaking is driving me crackers!!
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Old 24-03-2014   #28
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Re: Croma driveshafts

Quote Originally Posted by Chris T View Post
We're about in Hampshire are you I travel all over uk so could drop you off what i think you need to fix your car. I note there are doubters on this site but I can assure you the gm shaft design is far better than the fiat one. I had the car in again yesterday but the battery was at fault not the alternator. But I will get some pictures to stop the doubting thomases
Wouldnt doubt you for a min- There is a problem with the drive shaft design on our model, you have cured it with a different part, whats to doubt?.
The original Punto/Marea set up shows that the "tulip" part of the shaft is actually enclosed in the output end of the diff, and the shaft on the drivers side is longer and appears to be supported by a bearing arrangement 1/2 way along.
If I can get my scanner to work I will post some pics. Its all very illuminating really
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Old 24-03-2014   #29
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Re: Croma driveshafts

Quote Originally Posted by Chris T View Post
We're about in Hampshire are you I travel all over uk so could drop you off what i think you need to fix your car. I note there are doubters on this site but I can assure you the gm shaft design is far better than the fiat one. I had the car in again yesterday but the battery was at fault not the alternator. But I will get some pictures to stop the doubting thomases
Cheers for the offer - your input is extremely valuable. I should be able to order what's needed though. As I'll be paying for labour at the garage, I tend to avoid used parts and stick to new - I saw you'd linked a used part from ebay previously. My experience with the recon thing proves the point really - I end up paying for fitting twice.

Did you change both the left and right driveshafts on the one you did? Do you know what Vauxhall part numbers I'd need to buy to get mine sorted out? It's a 1.9D 16v 150BHP with the six-speed gearbox.
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Old 24-03-2014   #30
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Re: Croma driveshafts

To throw another possibility in, I did get a PM from Granvilleb a while back saying that he'd had the "gearbox coupling" changed and it cured the issues with his.

I know nothing about mechanics, but I think this is the part the driveshaft connects to.

Is it possible that my driveshaft(s) are fine but there's another problem? I'm wondering whether we have a mix of causes here.
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