SPONSORED LINKS

1989 Ford F-150 heater core hoses

Tiny
MIKE1MONT
  • MEMBER
  • 1989 FORD F-150
Heater problem
1989 Ford F150 Four Wheel Drive Manual 185000 miles

Hi
I want to install a tank heater on my f150, it has a 300 straight six cylindar for a engine. I need to know which heater hose is the return hose in it.
Thank You
SPONSORED LINKS
Sunday, December 9th, 2007 AT 5:45 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Disconnect both heater hoses from the heater core start it up and observe the hose that has pressure on it.
Was this
answer
helpful?
Yes
No
Sunday, December 9th, 2007 AT 5:50 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Yep, that is the best way to see which way the coolant will flow, but I can tell you the hose closest to the water pump is usually the output.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Friday, August 2nd, 2024 AT 10:52 AM

Please login or register to post a reply.

Related Heater Hose Replace/Remove Content

Heater Hose Replacement
GUIDE
Heater Hose Replacement
Heater hoses transfer hot engine coolant into the heater core where it's processed into warm air and utilized by the heater system. Some systems are designed with a fluid...
VIEW MORE

Sponsored links