How to replace the heater core?

1998 NISSAN SENTRA
228,670 MILES • 1.6L • 4 CYL • 2WD • AUTOMATIC
Avatar
AZDANNO04
  • MEMBER
  • 348 POSTS
Got the first black box out from underneath the glove compartment the heater core box is center closer to the driver side. Since the blower is on the far right passenger side.
Dec 21, 2020 at 9:40 AM
Advertisement
Avatar
DANNY L
  • ✓ASE Certified Mechanic
  • 5,648 POSTS
  • ASE Certified Mechanic
Hello, I'm Danny.

Here is a tutorial showing how to replace a heater core:

https://www.2carpros.com/articles/replace-heater-core

I've attached picture steps below for heater core replacement on your car. Hope this helps and thanks for using 2CarPros.
Images (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Dec 21, 2020 at 5:19 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.