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Old 12-03-2010
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I am: Thomas Bowie
Join Date: Jun 2010
Location: Acworth, GA
Vehicle: 2000, Ford Ranger
Posts: 4
Total Props: 0
Heater Problems

The heat in the truck does not work well at idle speed when I'm stopped. However, I can place truck in neutral and rev the engine and get warm/hot again. I have backflushed the heater core and added new coolant. Could this be an indication the water pump is failing. Taking more RPM's and increasing pump head to get the water through the system. Or I guess maybe something with the heater core. It's a 2000 year truck. Any ideas?
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Old 12-09-2010
I am: tim s
Join Date: Dec 2010
Location: bham, wa
Vehicle: 93
Posts: 1
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I had a similar problem. My truck wasn't coming up to temp, seems the thermostat was stuck open. $6 fix.

Changing the water pump was a P.I.T.A. check the thermostat first. 5 minutes and $5.

just my $.02
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Old 12-11-2010
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I am: Mark .
Join Date: Dec 2008
Location: Plattsburgh, New York
Vehicle: 2004 Ford Ranger
Posts: 3,390
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sounds like a thermostat
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