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Problem: AC compressor making noise

Solution Date: 5/30/2024            Serial Number Break: NA

Failure Mode:  AC compressor cores are coming back with two different types of dust shields on them.

Root Cause: The older dust shields (shown below on the right), are susceptible of making noises because the clearances are extremely tight.

Solution:  Moving forward, all dust shields will be replaced will the newer style (shown below on the left), to open up the clearances.

    47809628R_PI_dustcover_old

    Old dust shield causing the noise.

    47809628R_PI_DustCover_new

    New dust shield with more clearance.

    AC compressor clutch shield

    Problem: AC compressor not cooling

    Solution Date: 5/1/2024            Serial Number Break: NA

    Failure Mode: The ac compressor will quit operating when the compressor wires are damaged due to the pulley rotation.

    Root Cause: There is a possibility of water intrusion causing the compressor to freeze and seize.

    Solution: 

    • An AC compressor shield has been created to prevent water intrusion.
      • See CNH BULLETIN NUMBER: 2022 – 098 CIH N SB 
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