MR2 Roadster Owners Club

The Workshop => Maintenance, Problems & Troubleshooting => Topic started by: shnazzle on January 16, 2018, 12:42

Title: Axle stand failure - warning
Post by: shnazzle on January 16, 2018, 12:42
Just watched this and my fears were confirmed.

I have one set of ratcheting axle stands, but I try to avoid them if I can. I prefer the ones I have with the big fat pin to set the height. Usually I try to get away with lifting the car only as high as the base height of the stand, eliminating any dependency on any mechanism that holds the stand up.

The ratchet mechanism is quite safe. The way it works stops it from accidentally being triggered to release the stand.
Or so I thought... Then I watched this clip. A comprehensive test of this "safety".
Especially applicable to our light cars.

 m https://youtu.be/G7_Aa8pbM7Y (https://youtu.be/G7_Aa8pbM7Y) m
Work safe. Work smart  s:) :) s:)
Title: Re: Axle stand failure - warning
Post by: Call the midlife! on January 16, 2018, 12:48
That link took me to a sales pitch for a different type of jack stand?


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Title: Re: Axle stand failure - warning
Post by: shnazzle on January 16, 2018, 12:52
Oh... Hmm.. I'll fix it

Edit: fixed
Title: Re: Axle stand failure - warning
Post by: smarty72 on January 16, 2018, 13:24
I have ratcheting stands like those, but thankfully they also have a large pin to push through once you've set it to your desired height.
Title: Re: Axle stand failure - warning
Post by: Bossworld on January 16, 2018, 13:28
Scary stuff :/

To be honest, I still don't feel entirely comfortable with the gearbox inches from my chest (my stands are the halfords ones with pins) and I'm looking into a pair of ramps for anything where the wheels still being attached doesn't matter.
Title: Re: RE: Re: Axle stand failure - warning
Post by: shnazzle on January 16, 2018, 13:42
Quote from: "Bossworld"Scary stuff :/

To be honest, I still don't feel entirely comfortable with the gearbox inches from my chest (my stands are the halfords ones with pins) and I'm looking into a pair of ramps for anything where the wheels still being attached doesn't matter.
That's my default these days. You've been on them  s:) :) s:)  They inspire significantly more confidence than two weedy little stands.

With my old alloys I used to always put the wheel I took off under the silly as well, just in case. But I can't get myself to do this with my new alloys hahah.

Ultimately I'd love a set of ramps like Ian (mulaz) built.
They were invaluable when we did the gearboxes on our cars. I can't imagine how much more of a hassle it would have been without those ramps.
Title: Re: Axle stand failure - warning
Post by: wotugonado on January 16, 2018, 16:37
My @rse always twitched when I was under the car when its on jacks. Ramps are the way forward imo.
Title: Re: Axle stand failure - warning
Post by: Treboeth on January 16, 2018, 22:13
Quote from: "wotugonado"My @rse always twitched when I was under the car when its on jacks. Ramps are the way forward imo.


When I have been on Jacks I try and stay away from any motorised transport.


But an old wheel or two as extra insurance is always a good thing especially as our cars are so low.
Title: Re: Axle stand failure - warning
Post by: Topdownman on January 16, 2018, 22:38
Thanks for posting.

You cant have too many stands, jacks and wheels under the car when you are going under it in my opinion.

I have never liked that style of jack stand personally and whilst that guy with the porsche was maybe just a freak occurrence, freak occurrences do, as we know, happen.

Lets be safe out there!
Title: Re: Axle stand failure - warning
Post by: delhusband on January 17, 2018, 17:46
That's scary. Never been particularly comfortable crawling under my car anyway. Watching that vid before considering learning more spannering is a bit like watching Jaws before a trip to the beach  s:shock: :shock: s:shock:
Title: Re: Axle stand failure - warning
Post by: Carolyn on January 17, 2018, 18:46
Good quality jack stands (even with ratchets) are very reliable tools.  I have never known an instance of a car falling off properly placed jack stands that are up to the job.  Been jacking cars up for more decades than I'm prepared to admit to.  If in doubt, an extra old wheel in a strategic spot gives peace of mind.

I HAVE seen cars (and trucks) fall on people.  Invariably they were idiots. In the States I twice had to jack a pick-up off a badly injured idiot.... not a pleasant experience.

The most common cause of accidents is going under a vehicle that's supported only by a jack, with no back-up.
Title: Re: Axle stand failure - warning
Post by: shnazzle on January 17, 2018, 19:21
I must state the obvious prevention to the issue described in the video;

Don't knock the pin!   s:) :) s:)
It's just a thought for if you're swinging that 2ft breaker bar whilst under the car. And even then, as per the video it's quite difficult
Title: Re: Axle stand failure - warning
Post by: Call the midlife! on January 17, 2018, 21:08
If I have the suspension stiff enough when I jack one corner of the car up both the wheels on that side come off the ground.
My money is on the Porsche being somehow critically balanced with hardly any weight on the jack that dropped and he's done something to upset the balance.


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