09 Prostar running hot |
04-09-2017, (Subject: 09 Prostar running hot ) Post: #6 | |||
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RE: 09 Prostar running hot Start truck after night sitting, turn AC in HEAT position. If truck with sleeper use the sleeper heater. Check with your hand pipes to the heater core in and out. If both pipes are hot then engine water pump is working. Keep engine running on high idle until temperature reaches 200. Check upper hose from engine block to the radiator. Is it hot? Is it under pressure? Infrared thermometer will help to verify the temperature sensor is working correctly. | |||
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