PeachParts Mercedes-Benz Forum - Central locking pump 190E 16v runs too long

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Robert Z

11-23-2000 05:18 PM

The central locking pump from my 1986 190E 16v keeps running for about 1 minute before switching off.
It happens both ways: after locking and after unlocking.
Does it stop running by itself, or is there any timing relay involved?

Thanks for any help.

Robert

Benzmac

11-23-2000 09:19 PM

It is timing out, you have a leak.

------------------
Benzmac:
Donnie Drummonds
300E
ASE CERTIFIED MASTER AUTO TECHNICIAN
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM
OWNER OF MB AUTOWERKS .COM

stevebfl

11-23-2000 10:20 PM

Within the pump there are switches that turn the pump off after proper pressure is arrived at. If there is a leak this never happens and as Donnie points out the pump eventually times out and shuts itself down.

Robert Z

11-23-2000 10:55 PM

Thanks guys, I will start searching the leak... ;-(

regards, Robert

Robert Z

11-25-2000 08:41 AM

The leak has been found, and we fixed it.
It was at the actuator from the rear right door.
Everything -except the ignition lock- is working properly now.

regards, Robert

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