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Old 07-13-13, 06:38 PM   #1
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Default 2005 sti heater hose routing ???

Hi, I have a problem. I just finished installing my new long block and I everything hooked up, except the heater core hoses. I didn't take pic when I was unhooking them and now I don't know how they hook up. There are two hoses going into the firewall, one above the other. These are the in/out hoses of the heater core. My question is, does the top hose on the firewall hook up to the upper coolant hose (the one that runs across the top of the block) or does it hook up to the hose on the engine that runs down to the water pump. Right now I have the upper hose coming from the firewall hooked to the upper coolant hose on the motor. Need this right ASAP, so I can drive the car. Thank you, Chad

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Old 07-14-13, 01:48 PM   #2
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Default Re: 2005 sti heater hose routing ???

this is how I have the hoses hooked up, right now. The upper heater core hose is hooked to the coolant crossover on the motor. This is on a 05 sti. Ant help as to if this is right would be great. This question is the only thing keeping me from using the car.

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Old 07-16-13, 05:58 PM   #3
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Default Re: 2005 sti heater hose routing ???

anyone know?
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Old 07-17-13, 03:35 AM   #4
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Default Re: 2005 sti heater hose routing ???

Appears to be right based upon bends in hose which is what I usually go by when re-installing.

Edit: confirmed on my '04 that is correct routing.
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Old 07-17-13, 04:58 AM   #5
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Default Re: 2005 sti heater hose routing ???

Great, thanks for answering. Makes me feel better. Thanks, again, Chad
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