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How do I get the heater core out?

Tiny
AZDANNO04
  • MEMBER
  • 1998 NISSAN SENTRA
  • 1.6L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 228,768 MILES
I found pieces of the inlet pipe. Went under dash passenger side. Removed the glove compartment. Removed the first big black box from the A/C lines. Saw the cable from the climate switch cable. Looks like I have to disconnect that as well in order to this black casing out.
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Sunday, December 20th, 2020 AT 1:38 AM

1 Reply

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

I attached pictures and procedure for the replacement for you.

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

It is a tight fit to get the box back enough to release the lines.

Roy

REMOVAL
1. Drain cooling system.
2. Discharge the A/C system. Refer to "DISCHARGING REFRIGERANT".
3. Disconnect the heater hoses from the engine compartment.
4. Remove the instrument panel.

imageOpen In New TabZoom/Print

5. Remove the instrument panel reinforcement.
6. Remove the cooling unit..

imageOpen In New TabZoom/Print

7. Remove the heater unit.
8. Remove the heater core.

INSTALLATION
Installation is the reverse of removal. Inspect cooling system for leaks.
Inspect A/C system for refrigerant leaks.
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Sunday, December 20th, 2020 AT 5:23 AM

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