2016-2018 ALTIMA WITH QR25DE/4-CYL ENGINE; MOAN NOISE AFTER A/C COMPRESSOR ENGAGES This bulletin applies...

Bulletin number

NTB18-006

Component

Engine and engine cooling

Summary

2016-2018 ALTIMA WITH QR25DE/4-CYL ENGINE; MOAN NOISE AFTER A/C COMPRESSOR ENGAGES This bulletin applies only to vehicles equipped with a 4-cylinder engine. IF YOU CONFIRM A moan type noise is heard just after the A/C is turned ON (compressor engages) and lasts for about 10 seconds and/or While the A/C is operating and the compressor clutch cycles from OFF to ON, the moan noise is heard for about 10 seconds. ACTION Replace the low pressure A/C flex hose with the one listed in PARTS INFORMATION. Do NOT replace the compressor for this incident, if it should occur. This bulletin does not apply for compressor clutch locked, squeal noises, or any other A/C malfunctions.

Owners of these vehicles have filed 141 complaints in the engine category.