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Old 06-09-2017   #1
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Gearbox Change on Punto MK2

Hi all,

I'm going to be changing the gearbox on a friend's Punto as it has blown a hole through the bell housing. Reading this thread:

https://www.fiatforum.com/punto-ii/1...ox-5speed.html

it seems these gearboxes are pretty interchangeable. Local scrappy has a Grande gearbox from a low mileage car, all I know is that the end code is C101. Anyone put one of these on an 8v 188 engine?

Matt
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Old 06-09-2017   #2
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Re: Gearbox Change on Punto MK2

Hi,I've put a mk2b gearbox in a grande it fits,and it's lowered the revs,at 70mph it does 3000rpm, so the grande gear box will fit your mk2/2b,but your revs will be about 3500rpm at 70mph,due to different final drive ratio. The grande Punto has a extra vertical bolt on the end gearbox mounting.
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Old 06-09-2017   #3
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Re: Gearbox Change on Punto MK2

Thanks for the info Multipete, I probably won't go for it based on your experience as that could potentially lower the fuel economy quite a bit. Will keep looking! Really appreciate the feedback
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Old 06-09-2017   #4
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Re: Gearbox Change on Punto MK2

Quote Originally Posted by MJT81 View Post
Hi all,

I'm going to be changing the gearbox on a friend's Punto as it has blown a hole through the bell housing. Reading this thread:

https://www.fiatforum.com/punto-ii/1...ox-5speed.html

it seems these gearboxes are pretty interchangeable. Local scrappy has a Grande gearbox from a low mileage car, all I know is that the end code is C101. Anyone put one of these on an 8v 188 engine?

Matt
pic of hole?
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Old 07-09-2017   #5
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Re: Gearbox Change on Punto MK2

I'm not near the car at the moment but I was test driving it when it happened.

Clutch had been slipping (I expected gear oil) and it was struggling to engage gears at random. Also something had sounded very loose and rattly but I couldn't tell where from. At the end of test run I went to reverse it back into the space and as I drove back there was a huge crunch (like I'd hit something) and it jumped out of gear. Could see a lot of oil had escaped and when re-examining the bell housing there was a hole punched through to the lower front where there hadn't been one before. Expect that was the bit that was rattling about...
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