1936 P1 14 HP Gearbox Removal?

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luli
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Re: 1936 P1 14 HP Gearbox Removal?

Post by luli » Sun Jun 29, 2014 5:14 am

robby wrote: By the way, what sort of time do you reckon it takes to get the box out roughly, a day, half a day? It`s not that important, but I wouldn`t mind knowing so at least I can give him some idea of costs and how long in may be on the ramp for.
Rob :)
Since you are on a learning curve (regarding P2 Rovers) - it is hard to estimate. This job is best done with a helper since to open some bolts you need to hold them from both inside the car and under the car. Also, the gearbox itself is very heavy and puling it out is difficult. Obviously, you need BSF spanners and boxes.
Last time it had taken me and a helper about four hours to pull it out - but that was with a clean car, no rusted bolts and nuts and no ocean of old oil and mud.
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robby
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Location: Ripley, Derbyshire

Re: 1936 P1 14 HP Gearbox Removal?

Post by robby » Mon Jun 30, 2014 4:47 pm

Once again, thanks for the replies, helped me out a great deal now I kind of know what I`m fighting with.

The car itself has undergone major body restoration in the last couple of years apparantly and looking underneath bears this out as all the screws etc that hold the tunnel in look brand new so thankfully I shouldn`t be fighting with those having to drill out and replace half of them :)

If it would be any help to the forum, I can take pictures of the process and post them up.

Thanks

Rob

P3Steve
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Re: 1936 P1 14 HP Gearbox Removal?

Post by P3Steve » Tue Jul 01, 2014 8:42 am

Yes please, we always like to see pictures plus there are some on here who have never done a job like this so it might help them in the future.

robby
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Location: Ripley, Derbyshire

Re: 1936 P1 14 HP Gearbox Removal?

Post by robby » Wed Jul 09, 2014 10:51 pm

OK, apologies for the delay in getting this up, but here`s how I changed the clutch on this vehicle. Not the best photo's in the world as I took them on my phone which doesn`t have a flash.

I will put this post in this thread, but obviously if the powers that be wish to move it elsewhere then that's fine and dandy.

The job itself was very straightforward. Quite a lot to take off really, but nothing too difficult, although the job was made far easier due to the renovations the vehicle has been through over the last couple of years.

Anyway, this is the beauty I have the pleasure of working on. It is definately a P1 14 model, apparantly a very limited production before the P2 version arrived.

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The first job was to remove the front seats which simply slide back off the runners, then the carpeting to expose the floor and the gearbox cover

Image Image

The gearbox cover was then removed, just a series of self tappers in the wooden floor

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The two wooden floor panels either side of the gearbox were then removed which exposed the rails they were screwed to.

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There is a cover over the bellhousing, held with two bolts either side and a bar that gos allong the top of the gearbox held on with two nuts. This was removed. The pedals do through the floor pan and are held in place with clamp bolts. These are easily accessed with the drivers side bonnet lifted. The pedals are then drawn out of the floor

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To remove the two rails that the floor is screwed to, I had to remove the inner seat rail of each seat which allowed me to remove the sound deadening. This exposed the two bolts holding each rail to the floor. With the two remaing bolts holding each footplate in removed, the footplates can then be taken out. There are then two more bolts holding the rails in place going through the bulkhead. Take those out and out come the rails and the whole gearbox is fully exposed.

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The freewheel cable was then disconnected and pulled through the gearbox and finally, from above, the speedo cable removed.

Under the vehicle, the mounting bolts can be accessed. The two long studs are the ones for the band around the rear of the gearbox, the other four bolts hold the gear stick and selector in place.

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I disconnected the propshaft from the gearbox, but found there wasn`t enough room for it to slide back out of the way, so I disconnected it from the rear axle too. This allowed me to slide it right back out of the way so it wouldn't interferewith the gearbox removal.

The next bit is where I have a bit of an advantage, having a four poster ramp and transmission jack, but the same can be done with ramps and a couple of decent trolley jacks really. With the mountings removed, I lifted the box with the jack and put some pieces of wood between the sump and a beam placed acroos my ramp. This allowed the cradle to be removed from under the rear of the gearbox, then I removed all the bellhousing nuts. With my assistant inside the car and me underneath, the gearbox was slid off the studs and turned around so that it sat niceley on the gearbox crossmember exposing the clutch unit.

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The clutch nuts all have split pins through them, but being enclosed they were still nice and free and came out no problem. Old clutch removed and found to be worn, but not totally worn out saving any damage to the flywheel.

Image Image Image

A new clutch kit and seals were bought from the spares in Radcliffe, Nottingham and fitted the next day.
Refitting, the reverse of removal, so didn`t take any pictures of that.

As I said earlier, the job was pretty straight forward and took me about 12 hours start to finish, with one happy customer as well :)

I hope this has been useful information for someone, any questions or queries, feel free to ask

Rob

lakesrally

Re: 1936 P1 14 HP Gearbox Removal?

Post by lakesrally » Thu Jul 10, 2014 7:11 am

Thanks very much Robby, a great sequence of photos and explanation that I'm sure will help others.

P3Steve
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Re: 1936 P1 14 HP Gearbox Removal?

Post by P3Steve » Sat Jul 12, 2014 7:14 am

lakesrally wrote:Thanks very much Robby, a great sequence of photos and explanation that I'm sure will help others.
Ditto

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