The front passenger side window on my 300TD recently decided to not go down. When I press the switch the lights dim a bit, and I tried connecting the wires to another switch without effect.

The window worked perfectly before, it went up and down smoothly and with no noises, just like new.

Is there a solution to this other than replacing the motor? Is there something other than the motor that could be bad?

Perhaps lubricating the motor? But how? I have white lithium grease and would gladly buy whatever exotic grease that is needed.

I hear the thing is riveted on. Can I use a pop riveter to reinslall a new motor?

What is the easiest way to fix this? Should I trust a "new" junkyard window motor?

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Semibodacious Transmogrifications a Specialty

1990 300D 2.5 Turbo sedan 171K (Rudolf)
1985 300D Turbo TD Wagon 219K (Remuda)

"Time flies like and arrow, yet fruit flies like a banana"
---Marx (Groucho)