GearBox problems - MINI Cooper Forum

First Generation Faults & Fixes MINI faults and fixes 2001 - 2006

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post #1 of 10 (permalink) Old Oct 28th, 2017, 06:53 PM Thread Starter
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GearBox problems

Hi
Does anyone know what my problem is, I have bought a 2003 cooper and it is making a noise when in gear and speeding up and slowing down. it only makes noise while moving and in every gear 1 to 5.
It will go away when I press the clutch in and coast and it also doesn't make any noise while idle. The noise also gets faster with acceleration.

could this be the thrust bearing or something else?

I also found this video on the tube which sound very similar.

youtube.com/watch?v=rC7UZY-ylJU

Thanks for any help.

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post #2 of 10 (permalink) Old Dec 10th, 2017, 10:36 PM
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I'm afraid I had the same problem, and I know there are others. We're all victims to the Midlands gearbox which comes standard with most first generation Coopers (they were upgraded after 2004 I believe). When my Cooper was in gear it'd get a terribly loud whine, and the whine would rise/fall in pitch as you were accelerating/decelerating, respectively.

I believe you can eliminate the thrust bearing as that would be more likely to give noise during the motion of pushing the clutch in. The source of your problem is likely to be the bearings inside the gearbox. My money's on either the input shaft bearings or the differential bearings. Not wanting to pull my gearbox apart, I replaced my whole unit with a 6 speed gearbox from a Cooper S. Worth every dollar, but it's a bit of effort and requires other parts. I recommend having a mechanic listen to the noise and give you a solid second opinion on the noise before taking action - transmission work can be pricy.

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post #3 of 10 (permalink) Old Dec 11th, 2017, 12:54 PM
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Originally Posted by blips View Post
Hi
Does anyone know what my problem is, I have bought a 2003 cooper and it is making a noise when in gear and speeding up and slowing down. it only makes noise while moving and in every gear 1 to 5.
It will go away when I press the clutch in and coast and it also doesn't make any noise while idle. The noise also gets faster with acceleration.

could this be the thrust bearing or something else?

I also found this video on the tube which sound very similar.

youtube.com/watch?v=rC7UZY-ylJU

Thanks for any help.
common problem will be both diff and both gear shafts end bearings made of chocolate vauxhall gearboxes do same trick
https://www.ebay.co.uk/itm/BMW-MINI-...AAAMXQ6DBSDlD~
the above link best option as secondhand gear boxes are normally not far off going same way..

Albert Einstein: The definition of insanity is doing the same thing over and over and expecting different results.
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post #4 of 10 (permalink) Old Dec 11th, 2017, 09:52 PM
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As said above the Midlands bearings are made of cheese.

The gertag 5spds introduced in july 2004 weren't much better tbf.


Contact John Tee Gearbox specialists, they are r65/Midlands gearbox specialist in the UK




their prices are very reasonable for a full recon/rebuild
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Last edited by minione2002; Dec 17th, 2017 at 07:15 PM.
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post #5 of 10 (permalink) Old Dec 12th, 2017, 06:02 PM
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As said above the Midlands bearings are made of cheese.

The gertag 5spds introduced in july 2004 weren't much better tbf.


Contact John Tee Gearbox specialists, they are r65/Midlands gearbox specialist in the UK




there prices are very reasonable for a full recon/rebuild
by far the best way forward for non do it yourself repair
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post #6 of 10 (permalink) Old Dec 16th, 2017, 09:13 AM
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Hi. I had a similar problem with my mini. Would be a good option to try upgrade the gearbox to the getrag 5 spd or 6 spd from the s.

Only problem is the cost that it may incur. John tee is amazing used him earlier this year for gear box change. Very quick service and good guy withe low price.

A link to my post.
https://www.mini2.com/forum/first-gen.../topics/332617


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post #7 of 10 (permalink) Old Dec 17th, 2017, 09:11 AM
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Quote:
Originally Posted by lewheel View Post
I'm afraid I had the same problem, and I know there are others. We're all victims to the Midlands gearbox which comes standard with most first generation Coopers (they were upgraded after 2004 I believe). When my Cooper was in gear it'd get a terribly loud whine, and the whine would rise/fall in pitch as you were accelerating/decelerating, respectively.

I believe you can eliminate the thrust bearing as that would be more likely to give noise during the motion of pushing the clutch in. The source of your problem is likely to be the bearings inside the gearbox. My money's on either the input shaft bearings or the differential bearings. Not wanting to pull my gearbox apart, I replaced my whole unit with a 6 speed gearbox from a Cooper S. Worth every dollar, but it's a bit of effort and requires other parts. I recommend having a mechanic listen to the noise and give you a solid second opinion on the noise before taking action - transmission work can be pricy.
I did the 6 speed swap on my 2003 MINI Cooper a few years
ago when my Midland's differential bearings started making a
helicopter noise on acceleration and engine braking.
Took a bit of time and money, but I'm glad I did it.
Put a Quaife LSD in the 6 speed Getrag box as well.

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post #8 of 10 (permalink) Old Dec 17th, 2017, 03:11 PM
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I did the 6 speed swap on my 2003 MINI Cooper a few years
ago when my Midland's differential bearings started making a
helicopter noise on acceleration and engine braking.
Took a bit of time and money, but I'm glad I did it.
Put a Quaife LSD in the 6 speed Getrag box as well.
always fancy'd putting a 6v turbo engine and diff in the back of a clubman as a project. ie mitsubishi fto engine with a super charger conversion would be mental as they go so well from standard with a tiptronic box,, years ago we would do all kinds for shoe horns, hillman imp with rs2000 pinto engine hanging out the back would pull wheelies. loads of mk1 and mk capris with rover v8',, dolomite sprint with rover v8 was the biggest nightmare it really dont want to fit.. even but a alfa romeo alfa sud 1.5tb engine and box in to a datsun 100A cherry that was deadly . the things 30 years ago or more you could legally build and insure..
my point was most of these engines and mixture of gearboxes you could buy off shelf conversion plates that allow different makes gearbox to fit others engine blocks,, someone should come up with one for the later gearbox to fit the early cars maybe

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post #9 of 10 (permalink) Old Dec 17th, 2017, 04:16 PM
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Originally Posted by mike1967 View Post
always fancy'd putting a 6v turbo engine and diff in the back of a clubman as a project. ie mitsubishi fto engine with a super charger conversion would be mental as they go so well from standard with a tiptronic box,, years ago we would do all kinds for shoe horns, hillman imp with rs2000 pinto engine hanging out the back would pull wheelies. loads of mk1 and mk capris with rover v8',, dolomite sprint with rover v8 was the biggest nightmare it really dont want to fit.. even but a alfa romeo alfa sud 1.5tb engine and box in to a datsun 100A cherry that was deadly . the things 30 years ago or more you could legally build and insure..
my point was most of these engines and mixture of gearboxes you could buy off shelf conversion plates that allow different makes gearbox to fit others engine blocks,, someone should come up with one for the later gearbox to fit the early cars maybe
What about a 46 litre engine

https://m.youtube.com/watch?v=wJn7LHE83cc

2002 Mini Cooper R50, purchased Nov 2016
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post #10 of 10 (permalink) Old Dec 18th, 2017, 01:21 PM
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What about a 46 litre engine

https://m.youtube.com/watch?v=wJn7LHE83cc
m5 v10 engine would be the one but would struggle with wheelbase of clubman by time added a gearbox i would think,,


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