Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Service Port HVAC: Service and Repair

Tools Required:
J 241 82-2A Valve Core Remover/Installer
J 39500 R-134a Refrigerant Recovery, Recycling, and Recharging Station

Remove or Disconnect

1. Recover refrigerant. Refer to Refrigerant Recovery and Recycling, Discharging, Adding Oil, Evacuating and Charging the Refrigerant System.
2. Harness from pressure sensor.
3. Pressure sensor from fitting.
4. Schrader valve from fitting.

Install or Connect

1. New valve to fitting.

Tighten
^ Valve, Hand Tight.

2. Pressure sensor to fitting.

Tighten
^ Sensor to 5 N.m (44 lb in).

3. Harness to pressure sensor.
4. Recharge A/C system. Refer to Refrigerant Recovery and Recycling, Discharging, Adding Oil, Evacuating and Charging the Refrigerant System.