Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2016IMPALA LT, 2.5L ENG VIN A, GASREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATING, VENTILATION AND AIR CONDITIONINGREPAIR INSTRUCTIONSAIR CONDITIONING SYSTEM SEAL REPLACEMENTINSTALLATION PROCEDURE

2016 Chevrolet Impala LT, 2.5L Eng VIN A, Gas

Installation Procedure

2016 Chevrolet Impala LT, 2.5L Eng VIN A, GasSECTION Installation Procedure

Inspect the new sealing washer for any signs of cracks, cuts or damage.
NOTE: Flat washer type seals do not require lubrication.

Do not use a damaged sealing washer.
Remove the cap or tape from the A/C refrigerant components.
Using a lint-free clean, dry cloth, clean the sealing surfaces of the A/C refrigerant components.

Fig 1: Identifying Proper Seating Of A/C Refrigerant O-Ring
Courtesy of GENERAL MOTORS COMPANY
Carefully install the NEW sealing washer (1) onto the A/C refrigerant component.
The sealing washer (1) must completely bottom against the surface of the fitting.
Assemble the remaining A/C refrigerant components. Refer to the appropriate repair procedure.
NOTE: After tightening the A/C components, there should be a slight sealing gap of approximately 1.2 mm (3/64 in) between the A/C line and the A/C component.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.