Stuck in reverse!

Standard & modified running gear

Stuck in reverse!

Postby MM » Wed Jan 06, 2016 12:43 pm

Last night, returning from working on another person's gearbox, I reversed my Traveller (with standard 1098cc gearbox) into a parking spot, and noticed a slightly strange feel to the gearchange, but nevertheless, it went into reverse and I parked, then discovered it is now stuck in reverse! :(

The gear lever will move out of the reverse position, but only in one forward plane, and if you do that and let the clutch out, the car goes nowhere but you do get a strong smell of clutch burning, as if it's trying to rotate something but can't.

The gearchange has lost that 'swing lever to the right and down' action to select reverse.

Any idea what the problem may be and how to go about getting it out of reverse? Even into neutral would be good, so I can get the vehicle towed.
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Re: Stuck in reverse!

Postby ruairidh » Wed Jan 06, 2016 2:36 pm

Remove propshaft is only thing I can think of.
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Re: Stuck in reverse!

Postby emjay » Wed Jan 06, 2016 4:02 pm

It sounds more like you are in two gears at once, not stuck in reverse. The optimistic condition is the other two shift forks have moved preventing you from moving the lever but also means two gears are selected. Optimistic because by removing the remote shifter you can inspect the location of the forks, move them and confirm the gears are fine. However, you will still have to remove the box in order to remedy the malfunction detent that prevents this from happening.
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Re: Stuck in reverse!

Postby bmcecosse » Thu Jan 07, 2016 4:33 pm

As above - prop off to get it towed. You can take the gearbox side cover off to check what's going on with the selector forks.
 









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Re: Stuck in reverse!

Postby MM » Thu Jan 07, 2016 4:41 pm

Thanks for the replies. I shall investigate at the weekend - back to a wee Fiat for the time being. :roll:
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Re: Stuck in reverse!

Postby MM » Fri Jan 08, 2016 8:00 pm

As emjay suggested, looks like this selector fork issue has probably happened to mine:

http://www.morrisminorforum.com/phorum/read.php?2,9553

:|
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Re: Stuck in reverse!

Postby MM » Sun Jan 17, 2016 6:20 pm

I got my brother to tow it the 7 miles home today, behind his Toyota Verso.

It wasn't too bad, apart from the clunking coming from (presumably) the reverse gear, despite me holding the clutch pedal down. :? This got a few odd looks from several pedestrians! :lol:

Got it home, and began the strip-down to see what the problem is, removing the gearbox cover and remote selector. I could see the selector forks, but one remains stubbornly stuck despite attempts to lever it with a big screwdriver as per previous sufferers of the same malady.

Got too cold/dark to do any more - looks like I'll have to jack up the front and remove the side inspection hatch for a better look...
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Re: Stuck in reverse!

Postby bmcecosse » Sun Jan 17, 2016 9:41 pm

If you towed it while stuck in gear - you won't have done it any good... Prop off would have been much better.... Hope you can find out why this happened - it should of course be 'not possible'.
 









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Re: Stuck in reverse!

Postby MM » Mon Jan 18, 2016 2:54 pm

Indeed, however, it was just a 'temporary' standard 1098cc 'box I had lying about spare in the garage for yonks, until I got around to fixing my 1275cc MG Midget one.

I suppose it did well to last a couple of months, though I was somewhat miffed that it didn't quite get the car past the 160,000-mile mark - there were only about 444 miles to go before that milestone was achieved. :roll: :lol:
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Re: Stuck in reverse!

Postby MM » Sun Jan 24, 2016 6:24 pm

Well, today I finally jacked up the front of the car, drained the gearbox oil and removed the side inspection hatch for a look-see.

First thing that struck me as odd was that only a fairly small quantity of oil came out - just over a pint, when of course, it should have approx. 2.25 pints in there. The drain plug also had some fine metallic particles in it, as did the oil itself, but no major sized chunks of ground metal!

Strange, because I only fitted the gearbox about 3 months ago, and was pretty sure I'd filled it up with the correct amount of oil (to the bottom of the filler hole). So, I wonder, where did over a pint of the stuff go? :? No obvious signs of major leakage.

I had a quick fiddle with the selector forks before it got dark, but didn't see anything obviously amiss in the gearbox. Will have to have a more in-depth look soon...
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Re: Stuck in reverse!

Postby MM » Mon Mar 07, 2016 7:16 pm

Well, at the weekend, I finally got around to removing the gearbox, stripping it and rebuilding with spare parts from other ribbed-case 'boxes I have.

The worst malady was a missing tooth from the 1st gear cog, which caused a clanking noise in 1st and reverse. Shame, as the cog was otherwise in perfect condition. :roll:

I also noticed that the 1st/2nd gear selector fork was very worn where it had evidently been rubbing against the cog, which I guess had led to the situation where it had jammed in reverse and 4th, with 1st and 2nd nowhere to be found.

Anyway, I replaced the 1st gear cog for one with no missing teeth, and as a precaution, fitted a replacement 1st/2nd gear selector fork with a loose-fitting washer from another 'box, which should hopefully prevent the dreaded scenario of the detent balls in the 1st gear synchro hub jamming from the 1st gear cog being pushed along the hub too far, allowing the balls to pop up, as is quite common I gather.

Got it all back together yesterday evening, and it bench tests as OK, so I'll hopefully fit it back in the car soon...
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Re: Stuck in reverse!

Postby Plin » Mon Mar 07, 2016 7:22 pm

:D well done on sorting the problem - hope it all works ok when it's re-installed.
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Re: Stuck in reverse!

Postby MM » Mon Mar 07, 2016 7:31 pm

Thanks, Plin. :)
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Re: Stuck in reverse!

Postby MM » Sun Mar 20, 2016 7:01 pm

Finally got the Traveller back on the road yesterday, after spending most of the last two weekends refitting the repaired gearbox and associated gubbins, also had to bleed the hydraulic clutch as it had mysteriously lost its action after the car had been sitting for 3 months. :?

Anyway, took her out on the maiden road test to the garage to get some fuel, and pleasingly, all seems well, with a good, smooth gearchange action and no hideously awful noises - not too bad, considering this was my first attempt at repairing a gearbox. :)

I now have the confidence to do the same again, to build up another decent spare gearbox in case I ever need it.

Just as well it is back on the road, as my 'daily hack' wee Fiat has developed overheating issues - water pump on the way out, I think...
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Re: Stuck in reverse!

Postby woodywoodchipper » Mon Mar 21, 2016 2:06 pm

Well done,

on the Fiat, check the fan rotates they have a habit of siezing,

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