• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Heater core - which hose?

Skrappi69

New member
Hi all. Have a 99 Grand Prix. The heater core was bypassed by the previous owner. Obviously a leak or something. I ordered a new one. I was looking where it was bypassed and teh connectors for the old core, I am not sure which hose would go where. Which one is the intake and exit? I've attached we links to my flicker page showing the bypassed hose and teh connectors for the heater core. I couldn't get the photos to embed in my post. Sorry.
5581013517
5581013547
 


JoshGTP - sorry about the pictures not working. Still trying to figure that out here.

I did find other posts describing which hose goes where. I think I am ok for now. Thanks for your reply. S
 
Skrappi... the coolant line behind the alternator closest to the pass side strut tower goes to the top line on the heater core.which leaves the line closest to the driver side strut tower to go on the bottom line into the heater core
 
if at all possible bring the car to the parts store and test fit the hose first, the heater core inlet/outlet pipe is much fatter than the outlet/inlet pipes off the engine, it requires a hose that gets fatter at one end for the core inlet.

i wound up test fitting 5 hoses and had to do some trimming to get it to fit right, and at autozone they told me there was no part # for these hoses, but they could just be a bunch of dummy's.
 


Tea Time / Scottydoggs - Thanks for the input guys. Appreciate it. The new core should be delivered this weekend. Just in time for summer.

Now onto the AC not working - egad!
 
Back
Top