Heater core replacement

Tiny
JJSPONIES
  • MEMBER
  • 1996 FORD F-350
  • 7.3L
  • 6 CYL
  • TURBO
  • AUTOMATIC
  • 312,000 MILES
Heater core leaked very badly inside the vehicle. Water was redirected to eliminate going through core. Now need to replace.
Thursday, October 17th, 2019 AT 9:33 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

I posted the procedure below and a picture to view. This is not bad to do at all.

Roy

REMOVAL AND INSTALLATION
1. Drain cooling system.
2. Disconnect heater hoses from heater core tubes in engine compartment and plug hoses.
3. Remove glove compartment for easier access.
4. Move the Rear Antilock Module out of the way.
5. Disconnect vacuum source, then leave the vacuum harness attached to the heater core cover.
6. Remove the heater control cable from the cover using tool D91T-18532-A.

Fig. 8 Heater Core Replacement
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7. Remove the screws attaching heater core access cover to plenum chamber assembly in passenger compartment, then remove access cover.
8. Remove heater core and seal out of plenum chamber assembly.
9. Reverse procedure to install.
Image (Click to make bigger)
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Thursday, October 17th, 2019 AT 11:46 AM

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