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Old 02-01-18, 03:01 PM   #1
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Default HELP! I need a new gearbox but the code is non-existant!

Hi all! Complete newbie here, so many thanks in advance for any advice you can offer.
I have a 207 GT CC, 1598 cylinder capacity, from 2007.
Bought for my wife, and she LOVES it, because a local artist covered it in unicorns!
I took it in because the clutch was slipping, only to find I need a new gearbox (apparently the box is leaking oil, which is coating the clutch, causing the slipping).
I have a local mechanic who says he can do the gearbox change, only we can't find a matching gearbox ANYWHERE!
The code on the existing box is: 20CQ48.
This code barely gets a hit on Google, let alone eBay.
I also can't find it listed on Partsfinder in the list of gearboxes for this model of car.
However, there seem to be dozens of similar-coded boxes floating around. My question is, does this code have to match EXACTLY? Or can I use, for example, a 20CQ46 gearbox? Or a 20CQ88, which seem to be everywhere?!
My mechanic is concerned that the box code must match exactly, but I'm finding mixed opinions online. HELP!!!
Thank-you so much, people!
Best wishes,
Tony
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Old 02-01-18, 03:10 PM   #2
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Can't you just replace the gearbox seals?
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Old 02-01-18, 03:14 PM   #3
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The numbers vary over the years and if the box is from the same car with the same engine it fits regardless of code i have 1 here but im not ready to strip it just yet
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Old 02-01-18, 04:25 PM   #4
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Thanks guys!

Xlineiain, I'm a complete non-technical dude, so a local mechanic is handling it. He seems to think the box is knackered, so looks like I'll have to replace the whole thing

Reliable, good to know, mate, thanks! Is there a way I can tell a gearbox will fit, like matching the model number and CC etc?
I noticed on a reply to someone in a similar situation a while back you noticed they had a 'Prince' engine, and so were stuck with the one box code. Is this the case for my car? I know I shouldn't, but I'm doing amateur Google-sleuthing, and probably just scaring myself
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Old 02-01-18, 05:02 PM   #5
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Yes it is the prince engine so the box needs to be from a prince engine the 20CQ is the gearbox type the last 2 digits tell you the variant the 88 number is from a 1.4 but i have both a 1.4 and 1.6 here and they do look the same externally the ratios may well differ but as i say i dont have the 1.6 box out the car yet i will however check the code on it tomorrow i know its a good box and low miles but i dont know the code have not looked yet
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Old 02-01-18, 08:30 PM   #6
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Cheers mate, I really appreciate the help!
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Old 02-01-18, 09:37 PM   #7
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As above is the seal just leaking because input shaft bearing has failed (common failure) its not to bad a job (gearbox strip) to change bearing and seal and a lot cheaper than a new box
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Old 03-01-18, 09:01 PM   #8
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Hi Windy! I'm just going on what my mechanic has told me, his was already the second opinion that the gearbox needed replacing - I believe there were metal filings in the leaking oil. I had a quote for reconditioning the gearbox which came in at 500, more than I need to spend really. Thanks though
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Old 03-01-18, 10:03 PM   #9
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If there are metal filings coming out WITH the leaking oil then the casing is damaged so wont be reconditionable anyway

I did not get a chance to get under mine today but i did check the code on the 1.4 and it is 20CQ74

Are you SURE your code is 48 it may be 46 post up last 8 digits of your vin and someone can check your options on servicebox
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Old 04-01-18, 11:34 AM   #10
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Hi Reliable!

My VIN number is: VF3WB5FWC33761972
It's a 1.6 as far as I know.

If it turns out that the box from your 1.6 is compatible, would you be willing to sell it?

Many thanks, mate!

Tony
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