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Chevrolet
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1997
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K 2500 Suburban 4WD V8-5.7L VIN R
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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4L60-E Automatic Transmission
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Transmission Definitions
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Noise Conditions
Noise Conditions
Planetary Gear Noise:
A whine related to the car speed that is most noticeable in the first gear or reverse. Planetary Gear Noise is less noticeable after an upshift.
Pump Noise:
A high pitch whine that increases with engine rpm.