No drive!

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No drive!

Postby MM » Fri Mar 27, 2015 11:54 am

I've been having problems with my Traveller's hydraulic clutch this week, which leaked its fluid, so for a couple of days this week, I had to drive it relatively short distances with effectively little/no clutch.

On Wednesday, I went to pull away and had real difficulty selecting 1st/2nd, so decided to drop it into a garage to have the clutch hydraulics fixed. All seemed well driving it yesterday, apart from some difficulty selecting and holding onto 1st and reverse gears - 2nd, 3rd and 4th all worked fine, so I mostly stuck to those.

However, this morning, I started off and got about 1/4 mile down the road when it suddenly lost all drive! :shock: I tried all gears, but it wouldn't budge; just a whirring noise in 3rd and 4th. :?

I took a quick look underneath but couldn't see anything obviously amiss.

Have I completely mullered the gearbox (an MG Midget 1275cc one), or is it something else that's let go do you reckon?

Any advice gratefully received...
Maurice, Kent.
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Re: No drive!

Postby Panky » Fri Mar 27, 2015 12:31 pm

Does it go into gear OK? You may have snapped a half shaft :?
Tie a length of string to the prop shaft and try to pull away, if the string has wrapped itself around the prop afterwards then it's turning and it's the final drive at fault, usually half shaft :(
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Re: No drive!

Postby plastic orange » Fri Mar 27, 2015 1:28 pm

Sounds like a broken half shaft - easy fix. To check if it is, have a look to see if prop is turning whilst in gear.

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Re: No drive!

Postby MM » Fri Mar 27, 2015 2:05 pm

Sure enough, the propshaft is turning with the car running and in gear. Looks like it is indeed a broken halfshaft or similar - bit of a grinding noise coming from the axle too - nearside sounds slightly louder, so I suspect the nearside one has gone. :roll:

Thanks for the replies. :)
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Re: No drive!

Postby MM » Sat Mar 28, 2015 10:19 pm

Finally got around to jacking up the back and whipping out the halfshafts for a look-see today, and sure enough, the nearside one has twisted and snapped its splines going into the diff. :x

So, had to remove both halfshafts in order to get the diff out to be able to remove the broken bit, which was well jammed in and took a bit of beating with a hammer and long screwdriver to extract it. Good news is, the diff seems to be in good order despite a bit of metallic stuff in the oil, so a replacement halfshaft, seals and diff oil and the car should be good to go again...
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Re: No drive!

Postby plastic orange » Sun Mar 29, 2015 8:46 am

It's quite a common failure as the axle is marginal for even a standard engine. It's an easy fix though.

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Re: No drive!

Postby Custard » Sun Mar 29, 2015 10:47 am

Yes had to do a couple in camp site fields before now.

Remember if re-using old ones they are handed.

New ones aren't, but once fitted they slowly take a set and if fitted to the opposite side they don't like it and can then break even quicker.

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Re: No drive!

Postby MM » Sun Mar 29, 2015 8:51 pm

Yes, I had to have the offside one replaced by a garage in Essex when it snapped while pulling out of a junction across the busy A13, leaving me stranded across the road - I had to get out and push it to the side and wait for the AA to recover it! :oops:

I think the nearside one that has just snapped is the original 1970 one, so it's done well to last 45 years, I guess. :)
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Re: No drive!

Postby MM » Thu Apr 02, 2015 9:54 pm

Well, thanks to King Street Motor Services of West Malling, who supplied a replacement halfshaft, diff & halfshaft gaskets and O-rings, I was finally able to rebuild the back axle this afternoon, along with the 3.9:1 Midget diff I've been meaning to fit for yonks, so all back together again now. :D
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Re: No drive!

Postby MM » Wed Apr 20, 2016 8:34 pm

Interesting read on halfshafts here:

http://www.oldclassiccar.co.uk/forum/ph ... 65c6ca7772

It sounds like a Traveller fitted with radial tyres and a bigger engine is inevitably bound to suffer from broken halfshafts! :roll:
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Re: No drive!

Postby Panky » Wed Apr 20, 2016 10:17 pm

I doubt radial tyres has anything to do with the fact that Minor half shafts are carved from balsa wood :roll:
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Re: No drive!

Postby ruairidh » Thu Apr 21, 2016 5:44 pm

I have radial tyres on my pick up along with 1275 engine and 5spd gearbox and have had no bother so far. :)
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Re: No drive!

Postby plastic orange » Wed May 04, 2016 12:37 pm

ruairidh wrote:I have radial tyres on my pick up along with 1275 engine and 5spd gearbox and have had no bother so far. :)


'So far' is tempting fate - it will happen :D .

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