Quick update on this..
Without the time/means/skill to actually remove the gearbox on my own, I decided to send the car to Birchdown. Not cheap, but at least I know it'll be done right and their service and communication has been great so far. I arranged recovery of the car and Birchdown managed to have the gearbox out, and on it's way ot Agency Transmissions by midday on Monday. I've just spoken to Martin at Agency, and the gearbox will be stripped down tomorrow morning.
After describing the issue, Martin thinks it may be a chipped tooth off the 2nd gear cog, he has standard prices depending on the issues with 172 gearboxes, and from memory they are:
- £275 for bearings/seals/gaskets
- £375 for bearings/seals/gaskets + Any cogs that need replacing
So it shouldn't cost any more than £375 for all the work. More expensive than a 2nd hand replacemnt, but infinitely more reliable.
If all goes well, then Birchdown will be able to have the gearbox back on the car on Friday, as well as a new clutch (~£100).
With the car also hitting ~1000 miles and run-in after the engine rebuild it's also time to swap out the mineral oil for synthetic. This time next week I'll be in Ireland with the car, but before then I have a few more jobs that need sorting.
- fit N/S Hub
- fit N/S Driveshaft
- fit Passenger window regulator
- Oil Service
Busy weekend ahead... still don't know how I'm going to get the car from Birchdown to Warrington yet. :S