Operation CHARM: Car repair manuals for everyone.
Home >> Ford >> 1997 >> F 250 2WD HD Pickup V8-7.3L DSL Turbo VIN F >> Repair and Diagnosis >> Heating and Air Conditioning >> Compressor HVAC >> Testing and Inspection >> Check For Leaks
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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Check For Leaks

SPECIAL SERVICE TOOL(S) REQUIRED






Description Tool Number
A/C Pressure Test Plate T89P-19623-H

External Leak Test
1. If the A/C compressor is on the vehicle, recover the system using a service center to recover, recycle, and recharge. Remove the compressor from the vehicle. Observe all safety precautions. Service and Repair






2. Remove the retaining bolt and remove the A/C manifold and tube from the rear head of the compressor. Install A/C Pressure Test Plate T89P-19623-H on the rear head of the A/C compressor using the existing retaining bolt.
3. Connect the high and low pressure lines of a gauge set to the corresponding fittings on the pressure test plate.
4. Attach the center hose of the gauge set to a refrigerant container standing in an upright position.
5. Using the clutch hub, hand-rotate the compressor shaft ten revolutions to distribute the oil inside the A/C compressor.
6. Open the low-pressure gauge valve, the high-pressure gauge valve and the valve on the refrigerant container to allow the refrigerant vapor to flow into the A/C compressor.
7. Using Rotunda Halogen Leak Detector 023-R1003 or equivalent check for leaks at the compressor shaft seal and the compressor center seal.
8. If a shaft seal leak is found, install a new shaft seal. If an external leak is found at the center joint of the A/C compressor, install a new A/C compressor assembly.
9. When the leak test is completed, recover the remaining refrigerant in system and close the gauge valves (both high and low) as well as the valve on the refrigerant container. Refrigerant Recovery
10. Slowly remove the gauge set hoses from the pressure test fitting tool.
11. Install the A/C compressor on the vehicle.
12. Leak test, recover, evacuate, and charge the system. Observe all safety precautions. Service and Repair

pro multis · About Operation CHARM