[W126 Coupe] 1985 Driver's side window motor

[Dick Spellman]

Hi Robert,

There were two manufacturers of the window regulators.  Most often the
regulator fails (cracked or twisted lift arm) and the metal in the door
frame flexes too and and cracks at on of the regulator to door frame
retainer bolts.  I've seen one motor where the teeth were worn or missing.
Never seen a motor that failed to operate.

I would check with Jonathan for the regulator and motor which he obtains
from MB wholesalers and not aftermarket.

A nice feature that would save these regulators and the door seal itself
would be to have the window lower just a bit when you go to open the door
and then once the door is closed the window raises to the seal.  I think GM
incorporated a circuit like this in the TransAm WS6 I drove for a bit.

Regards,
Dick

On Sun, Jul 18, 2010 at 6:12 PM, btb management
<btbmanagement at hotmail.com>wrote:


>

> Replacing my 1985 500 sec drivers side window motor and regulator for a

> second time.  First replacement were after market and only

> lasted a couple of years.  Are Bosch the original parts?  Want to buy

> online and

> have my mechanic replace.

>

> Thanks,

> Robert

>

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