Gearbox Problem?
#1
Posted 12 August 2019 - 03:55 PM
Now can’t engage 1st or 3rd gears and also steering feels heavy. Can’t see anything obviously bent or distorted from above - Any thoughts as to cause? Could it be a bent selector fork or some such? I have a rod box with internal linkage using UJ’s, but all looks in place as far as I can see. Might it be the engine mounts shifted? I did hit it quite hard, so lucky not to have cracked the casing!
#2
Posted 12 August 2019 - 06:17 PM
Ouch - I felt that !
Given both problems, I'm wondering if the subframe has shifted back ?
#3
Posted 12 August 2019 - 07:11 PM
Pics of underneath may assist us in getting this sorted.
Did you hit left or right and side?
Never pleasant but these things happen. Learn from it...
#4
Posted 12 August 2019 - 10:55 PM
#5
Posted 13 August 2019 - 09:24 AM
Unlucky mate
It could have shifted everything back and done the selector in the gearbox, which might be the weakest point
Steering could be a bent rack arm or rack....did you clout a wheel ?
Has the floor moved where the subframe mounts under your feet ?
How fast were you going in what gear ?
#6
Posted 13 August 2019 - 05:04 PM
#7
Posted 13 August 2019 - 06:18 PM
Shame that is very bad luck, but everything is repairable.
#8
Posted 13 August 2019 - 06:51 PM
Shame that is very bad luck, but everything is repairable.
A bank balance repairs... EVENTUALLY...
#9
Posted 15 August 2019 - 02:38 PM
#10
Posted 15 August 2019 - 05:39 PM
And the steering rack and pinion, any signs of impact there from the sub frame
#11
Posted 15 August 2019 - 05:39 PM
Also get in about the hubs make sure they spin freely in neutral.
Well done for first step ... finding something at all .
Also need some exhaust putty on the manifold y piece.. looks like a leak...
#12
Posted 16 August 2019 - 06:00 PM
#13
Posted 16 August 2019 - 07:29 PM
Feel a right idiot for not seeing it! Car is a Marcos, so fibreglass shell - No steel to bend! Missed the wheels, got it square in the middle of the sump... just accelerating out of junction, so doing about 5/10 mph but it felt hard. Will try to get it up on stands tomorrow to have a proper look underneath. Very low to ground as Marcos. All looks normal from above, but can’t really see engine mounts or rack yet.
Mini Marcos... been there got the t-shirt.
In my case it was coming out of Prescott car-park (aka field) and there was a raised concrete/steel lump in the middle of the entrance. This was high enough to whack into centre of gearbox. This all happened at walking speed and car came to dead stop. Nothing obvious damaged so drove home.
I checked carefully the next day and there was a crack in the fibreglass 'tunnel' just behind the gear lever, the force had pushed all along the remote alloy gearlever housing and into the shell.
I would recommend checking the shell carefully for any cracks. Mine's now almost 50 years old and chances are the plastic is not getting any less brittle with age.
#14
Posted 16 August 2019 - 08:37 PM
Oh dear Guy, hope you get it fixed soon.
At least when I did something similar to my Marcos the problem was obvious. Spun it (on a wet dual carriageway!) and hit the cetral reservation at about 20mph. No damage to the bodywork but the steering was bent...
#15
Posted 16 August 2019 - 10:09 PM
+1. I also managed to spin my MM, this was also about 20mph but on an icy road - did a very rapid 180 degree turn. Would have been a perfect U-turn if the rear wheel hadn't clattered the kerb. Bent the rear radius arm, but no other damage...
The MM was (is) quick, but in my experience lack of weight on the rear wheels makes them tail-happy. And don't fit 165's unless you enjoy aquaplaning...
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