Assuming no LSD chock other wheel and with handbrake off jack up offending wheel then try turning it.

If it's stuck or very stiff it's likely the brake shoes are binding as suggested by TBM. Unlikely given the age but a worn bearing would give a gritty feel when turning and would have given some audible groaning when driving. Assuming brake issue though, car is out of warranty and you want to tackle the problem yourself you will need to remove brake drum to investigate.

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The picture shows my Roadster rear but yours will be similar. The four ¼" UNF hex head setscrews need to be removed first. Ignore the larger slotted head screws, they are not relevant. Problem then will be removing drum if it's jammed on. This wiil likely be for one of the three reasons TBM suggests. If its not handbrake cable it may be an over enthusiastic auto adjuster. I believe there is an access hole on backplate which needs to be aligned with auto adjuster to allow freeing off same with screwdriver. More advice from GoMog here particularly with regard to handbrake cable adjustment which should be done last after brake re-assembly.

Once you have drum off it will be obvious which is the culprit.

Last edited by RichardV6; 31/10/21 09:17 AM.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone