Hallum Posted November 3, 2014 Share Posted November 3, 2014 Hi,Drove my Mk3 spit into the garage about a month ago now to do some extensive work on the gearbox. The gear box is now back on, tested and is working fine. However, I discovered the while testing the gears on the axle stands I noticed that only one of the rear wheels was rotating, the other just juddering. Handbrake is off, is it likely the something may have happened to the diff while its been on stands? I don't want to take it off and try driving it in fear that it may do the car no good.Any ideas?thanks in advance? Quote Link to comment Share on other sites More sharing options...
ferny Posted November 3, 2014 Share Posted November 3, 2014 That's what happens with an open diff. It's perfectly normal and how it should be. Quote Link to comment Share on other sites More sharing options...
RobPearce Posted November 3, 2014 Share Posted November 3, 2014 Just to slightly expand on ferny's comment:A properly working standard (i.e. not limited slip) diff allows the wheels to rotate at entirely different speeds as long as the average of the two is correct for the propshaft rotation. It is most common, therefore, to experience what you're seeing, because one of the wheels is bound to be a tiny bit stickier than the other, and once the loose one starts to turn it presents even less stickiness. Very occasionally you'll come across a car where the wheel bearings are both very free, the brake shoes are worn out (or just backed off a lot) and the diff has got a bit sticky. Only then will you see both wheels rotate together when on axle stands, but it's still not necessarily a problem if you do. Quote Link to comment Share on other sites More sharing options...
Hallum Posted November 3, 2014 Author Share Posted November 3, 2014 Great, thanks for the speedy responses guys! Much appreciatedHarry Quote Link to comment Share on other sites More sharing options...
yorkshire_spam Posted November 3, 2014 Share Posted November 3, 2014 Beware! If you have a saggy rear spring you might find that the brakes on one side (or both) start to bind when the back end is on stands.As the wheels droop out of the arches it can "pull" the hand brake cable EVEN if the hand brake is off.It can make adjusting the rear brakes a total PITA. Quote Link to comment Share on other sites More sharing options...
Richard B Posted November 3, 2014 Share Posted November 3, 2014 Just make sure that each wheel will rotate freely by hand, to ensure that the brakes are not binding. Quote Link to comment Share on other sites More sharing options...
Gt6s Posted November 3, 2014 Share Posted November 3, 2014 Not safe to run vehicle through gears while on axle stands !If axles are allowed to drop while jacked up axles can pull on the handbrake cable.Laurence Quote Link to comment Share on other sites More sharing options...
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