Cascade Crew

91camaro_rs · Posted: Sun Apr 18, 2010 9:26 pm Post subject: heater hoses

i cant figure out where to route these heater hoses, from the heater core where do they go??

can someone take a picture of thier TPI heater hose routing, i DONT have A/C, and i cant seem to find where they go

Alphius · Posted: Sun Apr 18, 2010 10:20 pm Post subject:

Mine wasn't originally TPI.

Simplest way to hook up heater core hoses:
One goes to the waterpump.
Other one goes to the intake manifold by the thermostat housing.

If you're using the heater bypass control valve thingamajig, I have no clue what goes where.

aaron_sK · Posted: Sun Apr 18, 2010 10:45 pm Post subject:

No valve:

Driver line goes from heater core to rad.
Pass. line goes from heater core to the intake manifold port.

With valve:

Pass. line goes from heater core to bottom port on valve.
Driver line goes from heater core to pipe on subframe.
Upper port on the valve goes to the t-fitting on the metal pipe.
Other end of the metal pipe goes to the rad.
Side port on the valve goes to the intake.
Don't forget the vacuum line from the HVAC controls to the top of the valve.

Clear as mud?

Probably have to be logged in at TGO to see the pic.

91camaro_rs · Posted: Sun Apr 18, 2010 10:53 pm Post subject:

ok so i guess im not using a valve, the water pump has a plug in the hole now, should i put in a plug so i can connect the heater core hose to it?

the intake manifold has a spot but it has the hose connected to it that comes down off the throttle body, and the throttle body has a coolant hose on the side of it too

so could i connect the heater hoses to the TB and the water pump? i dont think i have a spot for it on the radiator

aaron_sK · Posted: Sun Apr 18, 2010 10:59 pm Post subject:

TB heater needs to go. Get some line and loop one end into the other. A cooler TB is a good thing for anyone not living in Alaska.

Did you have a diverter valve on the old motor? Just hook it up exactly the way it came off.

Or better yet, bypass it, fire the engine, break it in, and hook the heater up next winter. Very Happy

iansane · Posted: Sun Apr 18, 2010 11:09 pm Post subject:

91camaro_rs · Posted: Mon Apr 19, 2010 7:32 am Post subject:

ok so loop the hose from the right side of the TB to the front, and the way it came out, was one hose from heater core to water pump and one heater hose to the intake manifold

so which one goes to which

Alphius · Posted: Mon Apr 19, 2010 12:11 pm Post subject:

Spikeophant · Posted: Mon Apr 19, 2010 12:43 pm Post subject:

afaik Pass. side to manifold

aaron_sK · Posted: Mon Apr 19, 2010 5:30 pm Post subject: