[Vwdiesel] cooling system

Tony and Lillie tonyandlillie1 at earthlink.net
Mon Aug 25 06:38:27 PDT 2008

My 82 NA has that hose coming off a niple on the top of the radiator. In the 
coolant bottle, when running, there is a very steady flow, it shoots out and 
goes probably 6" into the bottle.

There really isn't a way to check the WP without pulling it. On the newer 
cars, youc an pull the thermostat and check it. However, I'm not sure you 
can see enough to tell on the older cars. However, that might be worth a 
try, as aside from draining the cooling system, it only requires removal of 
two screws. Unless they break :(

Tony Hoffman

----- Original Message ----- 
Subject: [Vwdiesel] cooling system

>      Just a question, On my '86 na with a/c, the small line from the
> radiator to the recovery tank always has a good amount of coolant flow
> going through it. Being that it's in the upper radiator hose and under
> under a flow condition due to the main hose I can understand why it is.
>       On my '85 jetta that I just got there isn't a whole lot of flow
> going through that small hose. The jetta doesn't have a/c and that
> little hose comes off the side of the radiator like a more traditional
> overflow tube on say a chevy.
>     It puts out good heat when you slide the temp controller over and
> the temp doesn't rise very quickly as I would suspect a bad water pump
> would cause it too. Is there a way to test whether the water pump is
> bad without ripping it all apart ?
> Terry 

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