How do you bypass the heater core?
12-01-2015, 09:04 PM
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Car: 89 formula, 90 vette, 00 05 stang
How do you bypass the heater core?
Hello All, I have recently obtained a 1989 GTA with a 350 and tpis mini ram intake manifold. My question is How do you bypass the Heater Core/Hoses. There is a fitting in front of the TPIS intake manifold, can i plug this ?
12-01-2015, 09:35 PM
#2
Re: How do you bypass the heater core?
Unless you are completely going to remove the entire HVAC box and blower assembly its not worth it at all to remove it. Gains you nothing.
12-01-2015, 09:40 PM
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Car: 89 formula, 90 vette, 00 05 stang
Re: How do you bypass the heater core?
I dont have any heater hose or the heater valve assembly, so I will need to bypass it.
12-01-2015, 09:46 PM
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Re: How do you bypass the heater core?
Follow the heater core lines to the water pump assembly.
12-01-2015, 09:48 PM
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Car: 89 formula, 90 vette, 00 05 stang
Re: How do you bypass the heater core?
I dont have any heater lines. Only hose i have is the upper and lower rad hose. I need to figure out what to do about the coolant fitting in front of the TPIS intake manifold.
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12-01-2015, 10:14 PM
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Car: 89 formula, 90 vette, 00 05 stang
Re: How do you bypass the heater core?
Thanks for the diagram, but it does not show the manifold coolant fitting.
12-02-2015, 07:22 AM
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Car: 87 IROC
Engine: L31 350
Transmission: T56
Axle/Gears: 4.10 D44
Re: How do you bypass the heater core?
Yes, you can remove that fitting and put in a plug. (A pre-vortec SBC has an internal water bypass, so coolant will still circulate before the thermostat opens.)
Or... you can get a length of heater hose, and connect that fitting to the return fitting on the radiator.
Or... you can get a length of heater hose, and connect that fitting to the return fitting on the radiator.
12-03-2015, 12:26 AM
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Re: How do you bypass the heater core?
Thanks MoJoe, Thats the answer I was looking for. I already replaced the fitting with a pipe plug.
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