These clutched alternators show up on lots of Chyrsler products. I was disappointed to learn it's not a fuel economy device at all.
I googled it and got
this:
Quote:
|
Originally Posted by FSM
GENERATOR DECOUPLER PULLEY
DESCRIPTION
The Generator Decoupler is a one way clutch (Fig.
3). It is attached to the generator and replaces the
standard pulley. It is a non-serviceable item and is to
be replaced as an assembly. It is a dry operation (no
grease or lubricants). The operation of it is not temperature
sensitive and has a low sensitivity to electrical
load.
OPERATION
The generator decoupler is a one way clutch and
should be replaced as an assembly. It is designed to
help reduce belt tension fluctuation, reduce fatigue
loads, improve belt life, reduce hubloads on components,
and reduce noise.
|