2002 Renault Megane Can someone identify this part?

REECET

MEMBER
2002 RENAULT MEGANE
4 CYL
2WD
MANUAL
55,000 MILES

Hi,

When I turn the igintion on into the second postion to enable the electric to the car, a strange knocking noise is heard coming from the passenger side compartment.

The noise is like something is trying to turn but cant, it happens about 6 times but then stops, and does not happen when the car is turning over or moving.

I have narrowed the noise down to a part that comes off the heater blower. See enclosed photos.

If someone could identify what that part does, if it is a critical part of the system, and how to fix or stop it (which can be done by just disconnecting the clip).

Many Thanks

Reece

Sunday, June 6th, 2010 AT 5:01 AM

1 Reply

2CARPRO JACK

MECHANIC
11,533 POSTS

Im not familiar with Renaults, but it looks/sounds like it is a blend door acuator. Older GM trucks had problems with them and they would do EXACTLY what you describe. The doors go to a set position when key is shut off, then when powered back up, it moves the door over, if the actuator is bad or if there is a problem with the blend door it will click/thump several times until the controller thinks it has moved it to the correct position. If you look closely there may be a part number on it, then you could Google it to see for sure

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Sunday, June 6th, 2010 AT 9:08 AM