No heat

[Joshua Van Tol]

Have you checked the thermostat?

A bad water pump would likely cause other symptoms as well.

Also, you could still have a plugged heater core. You only need a few 
passages open to get pretty good flow, but it won't heat worth a darn. 
Did you get any rust out when you flushed it?
On Dec 13, 2003, at 10:13 PM, McCohens at aol.com wrote:

> My 5000 TQ has very little warm air.  I disconnected the temp system 
> and have
> the flaps set to defrost only, coolant valve fully open.  The A/C is 
> unhooked
> also.  I blew the heater core out today, thought it might be clogged 
> but not
> so.  The hoses to and from the heater core are warm.  If the fan is 
> off, once
> turned on it puts out warm air for about 30 seconds, then the air is 
> barely
> warm.
> Could a bad water pump cause this?  I was wondering if the impellers 
> are
> really worn maybe they don't move much water.  Also thinking about hot 
> wiring the
> turbo water pump, which terminal would be hot to make the pump work in 
> the
> correct direction.  Any ideas appreciated.
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