over heating problem 300C - reply

[John Hertog <crossram@xxxx>]

Hi Zak,

Before going any further, what you are describing sounds like a fan clutch
gone bad. At low speeds, and idle, the radiator depends on the fan to pull
air through it. If the fan clutch is weak, it will not turn fast enough ( it
will slip too much) and thus it will not cool the liquid in radiator .

The fact that the car cools well at highway speeds indicates that the
radiator is in good shape and not the culprit.

Suggest you examine the fan clutch (with engine stopped...) ; it should have
some resistance when trying to spin fan by hand. If it spins rather freely
you probably need a new fan clutch. Order one from George Riehl..

John


----- Original Message -----
From: "David Zakarian" <arshog@xxxx>
To: "Chrysler Club" <Chrysler300@xxxxxxxxxxxxxxx>
Sent: Saturday, September 28, 2002 1:18 PM
Subject: [Chrysler300] revisiting the over heating problem 300C


> 300 seem to run fine on the freeway(temp gauge in the middle). Over heats
in town(temp gauge at 3/4). In looking at the fan pulley on the
300C(overheating one) it seems to be about an inch larger in diameter than
the fan pulley on my 300D(never overheats). Could the problem be this
simple. Oh, the 300C(overheater) has a pulley with OD of 7 3/4 inches. The
300D(never overheats) has a fan pulley OD of 6 1/2 inches. Does anyone know
what this measurement is supposed to be?
>
> Zak
>
>
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