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Home >> Buick >> 2021 >> Envision Preferred, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Power Transfer Unit/Transfer Case - AAM) >> Diagnostic Information and Procedures >> Symptoms - Power Transfer Unit Case >> Symptom List

Symptom List

WARNING: This page is about a different variant/trim than selected.

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

Diagnostic System Check - Vehicle .
Noisy in Drive .
Noisy When Coasting .
Intermittent Noise .
Constant Noise .
Power Transfer Unit Case Leak Diagnosis .

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