[Vwdiesel] help! no coolant flow!

[Patrick Dolan]

Loren:

I have never sold the stamped steel ones.  They were what I would remove from customers' cars since they don't even circulate at idle in some cases (worst was Audi 100LS).  However, in my (fairly long past) day, all of the "correct" impellers were open-faced cast iron, machined to fit the housing.  I guess the plastic ones came later, or maybe from low-buck sources.

Worth noting:  I was quite surprised to find the OEM waterpump in our ALH was plastic impeller.  It is now brass (or bronze?).

----- Original Message -----
From: LBaird119 at aol.com
Date: Sunday, January 18, 2009 6:12 pm
Subject: Re: [Vwdiesel] help! no coolant flow!

> In a message dated 1/18/2009 9:08:06 AM Pacific Standard Time, 
> pmdolan at sasktel.net writes:
> 
> > Could be.  On which engines?  I have been out of the retail side 
> for quite 
> > a while, and my hobby stuff never seems to chew up any pumps at all.
> > 
> > ----- Original Message -----
> > From: brian gochnauer <brian at gochnauer.net>
> > Date: Sunday, January 18, 2009 10:00 am
> > Subject: Re: [Vwdiesel] help! no coolant flow!
> > 
> > >Wasn't there an issue with plastic implellers on some water 
> pumps 
> > >failing?
> > 
> 
>  Since most of them use the same pump it could be anything from 
> a '75  through about '95 even, gas or diesel.  Just a matter of 
> a water pump being rebuilt with a plastic impeller, which 
> shouldn't 
> be too bad unless it spins on the shaft or something gets in and 
> chews it up.  The worst are the stamped steel ones.  The multi 
> pronged impellers aren't so bad but never buy one with the bent 
> down corners of a square version.  Someone or two here found 
> those on  theira car.
>    Loren
> 
> 
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