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Re: truck wont warm up
Quote:
Originally Posted by hillbillyrider
the heater hose from the water pump goes to the left hookup on the heater core. the heater hose that runs to the rear of the intake is hooked to the right
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Looks like you have the hoses set up like a 60's to 70's heater hose set-up, but these systems don't work that way anymore. You've got two "pressure" connections and no return. The connection on top of the water pump should be plugged and routed to the fitting under the radiator cap. That's your return line; from the firewall to the radiator. Have you blasted out your heater core?
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1989 K1500 Chev. EC
Original owner; some of the aftermarket parts I've installed are Borla headers, Hypertech chip, Edelbrock water pump, and a Stillen rear disc brake conversion kit.
2009 Hummer H3T 3.7L 5M (sold)
1997 K2500 Chev. EC 7.4L/ 4L80E
2018 Dodge Ram 2500 HD R/C
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