AC not blowing hard

2000 PONTIAC BONNEVILLE
200,000 MILES • 3.8L • V6 • 2WD • AUTOMATIC
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JOHN ESPEY
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  • 1 POST
Do you have to remove the dash to remove the EVAP core?
Jun 13, 2018 at 4:24 PM
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ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
Good morning.

Yes, the instrument panel must be removed to remove the case that holds the evaporator core.

Roy

https://www.youtube.com/watch?v=zv9OFQd1bD8
Jun 14, 2018 at 4:50 AM
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ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
I attached the replacement for the evaporator once you remove the heater box from the video I posted.

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

Make sure you add 2 ounces of Pag oil to the core before installing it.

Roy

EVAPORATOR CORE REPLACEMENT

REMOVAL PROCEDURE


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1. Remove the HVAC module assembly. See: Housing Assembly HVAC > Service and Repair
2. Remove the seal from around the heater core and the evaporator tubes.
3. Remove the upper A/C evaporator case.


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4. Remove the evaporator core.

INSTALLATION PROCEDURE


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1. Fill the evaporator with the proper amount of refrigerant oil.
2. Install the evaporator core into the module housing.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the upper A/C evaporator case.

Tighten
Tighten the screws to 1.4 N.m (12 lb in).


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4. Install the seal over the heater core and the evaporator pipes.
5. Install the HVAC assembly.
Mar 27, 2021 at 6:34 PM
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ASEMASTER6371
  • CERTIFIED EXPERT
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Okay, I attached the procedure for removing the dash panel to access the heater case that holds the evaporator assembly.

Roy

Instrument Panel Carrier Replacement

Removal Procedure

1. Remove the IP retainer.
2. Remove the data link connector fasteners.
3. Remove the passenger inflator module.
4. Disconnect the ignition switch electrical connectors.
5. Remove the shift/park lock cable from the ignition switch.


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6. Disconnect the body to IP electrical connectors (1) located at the upper right outside corner of the IP carrier.


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7. Remove the HVAC aspirator tube (5).
8. Feed the ignition switch wiring (4) through the IP carrier.
9. Feed the shift/park lock cable (3) through the IP carrier.
10. Feed the console wiring harness (1) through the IP carrier.
11. Release the SIR harness (6) retainer from the IP carrier.


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12. Remove the IP carrier fasteners.
13. Remove the IP carrier from the vehicle.

Installation Procedure


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1. Align the instrument panel (IP) carrier to the vehicle.
2. Install the HVAC aspirator tube (5).
3. Feed the ignition switch wiring (4) through the IP carrier.
4. Feed the shift/park lock cable (3) through the IP carrier.
5. Feed the console wiring harness (1) through the IP carrier.
6. Install the SIR harness (6) retainer to the IP carrier.


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Notice: Refer to Fastener Notice in Service Precautions.

7. Install the fasteners (1) from the IP carrier to hinge pillar.

Tighten the IP carrier fasteners (1) to 25 N.m (18 lb ft).

8. Install the IP carrier to cowl fasteners (2).

Tighten the carrier to cowl fasteners (2) to 25 N.m (18 lb ft).

9. Install the IP carrier to end bracket fasteners (3).

Tighten the carrier to end bracket fasteners (3) to 25 N.m (18 lb ft).

10. Connect the ignition switch electrical connectors.
11. Install the shift/park lock cable to the ignition switch.
12. Install the passenger inflator module.
13. Install the data link connector fasteners.

Tighten the fasteners to 2 N.m (18 lb in).

14. Install the IP retainer.
Mar 30, 2021 at 12:04 PM