It is as the others said. The question is if the Dorman ones will have issues. I have never read of anyone using the doorman ones.

If it were mine, I would also check to see if there is some other issues going on beside the regulator.

There is a thermo-switch inside of the motors. If resistance is enough, it shuts the motor off. What that means is if there is enough resistance to the movement of the window the motor shuts off.

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84 300D, 82 Volvo 244Gl Diesel