Symptom Diagnosis

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Perform PRELIMINARY INSPECTION prior to diagnosing by symptom.

NOTE: Use the following symptoms to aid in preliminary diagnosis. If a listed symptom matches the customer's concern, check the applicable items for possible cause.

Fig 1: Transmission Fluid Leaks (1 Of 2)

G00075839

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Fig 2: Transmission Fluid Leaks (2 Of 2)

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Fig 3: High Line Pressure

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Fig 4: Forward Motion In Neutral

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Fig 5: Inadequate Lubrication At Low Line Or Heavy Loads

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Fig 6: Inadequate Lubrication

G00075844

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Fig 7: Engine Stalls In Neutral

G00075845

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Fig 8: Loss Of Power

G00075849

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Fig 9: No Torque In Reverse & 3rd Gear

G00075848

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Fig 10: Transmission Overheats

G00075847

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Fig 11: Transmission Overheats At Wide Open Throttle

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Fig 12: Low Line Pressure

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Fig 13: Engine Starts In Gear

G00075851

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Fig 14: Shift Lever Indicates Wrong Gear

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Fig 15: No Gear Selection

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Fig 16: Loss Of Drive (1 Of 2)

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Fig 17: Loss Of Drive (2 Of 2)

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Fig 18: No Park

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Fig 19: Remains In Park

G00075857

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Fig 20: Difficult To Shift Out Of Park

G00075858

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Fig 21: Does Not Stay In Park

G00075859

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Fig 22: No Reverse

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Fig 23: No 1st Gear - "D1"

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Fig 24: No 2nd Gear - "D1"

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Fig 25: No Overrun Braking - "D1"

G00075863

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Fig 26: No Engine Braking - "D1"

G00075864

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Fig 27: No 1st Gear - "D2"

G00075865

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Fig 28: No 2nd Gear - "D2"

G00075866

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Fig 29: No Overrun Braking - "D2"

G00075867

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Fig 30: No Engine Braking - "D2"

G00075868

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Fig 31: No 2nd Gear Engine Braking - "D2"

G00075869

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Fig 32: No 1st Gear - "D3"

G00075870

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Fig 33: No 2nd Gear - "D3"

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Fig 34: No 3rd Gear - "D3"

G00075872

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Fig 35: No Overrun Braking - "D3"

G00075873

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Fig 36: No Engine Braking - "D3"

G00080037

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Fig 37: No 1st Gear - "D4"

G00080038

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Fig 38: 1st Gear Only - "D4"

G00080039

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Fig 39: 1st & 2nd Gear Only - "D4"

G00080040

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Fig 40: 2nd Gear Only - "D4"

G00080041

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Fig 41: 2nd & 3rd Gear Only - "D4"

G00080042

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Fig 42: 1st & 4th Gear Only - "D4"

G00080043

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Fig 43: 3rd & 4th Gear Only - "D4"

G00080044

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Fig 44: No 2nd Gear - "D4"

G00080045

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Fig 45: No 3rd Gear - "D4"

G00080046

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Fig 46: No 4th Gear - "D4"

G00080047

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Fig 47: No Torque Converter Clutch Apply

G00080048

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Fig 48: Soft Torque Converter Clutch Apply

G00080049

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Fig 49: Torque Converter Clutch Slipping

G00080050

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Fig 50: Torque Converter Clutch Stuck On

G00080051

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Fig 51: Incorrect Torque Converter Clutch Apply Or Release

G00080052

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Fig 52: Converter Ballooning

G00080053

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Fig 53: No Torque Multiplication

G00080054

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Fig 54: Fluid Foaming

G00080055

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Fig 55: Noise

G00080056

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Fig 56: Engine Stall

G00080057

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Fig 57: Vibration

G00080058

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Fig 58: Oil Out The Vent Tube

G00080059

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Fig 59: No Torque In 2nd Gear

G00080060

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Fig 60: 2nd Gear Starts

G00080061

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Fig 61: 3rd Gear Starts

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Fig 62: 4th Gear Starts

G00080063

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Fig 63: Erratic Shift Quality

G00080064

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Fig 64: Transmission Slips

G00080065

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Fig 65: Case Extension Bearing/Seal Failed

G00080066

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Fig 66: Inaccurate Shift Points

G00080067

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Fig 67: Harsh Shifts

G00080068

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Fig 68: Harsh Shift "D" To "R"

G00080069

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Fig 69: Harsh Shift "3" To "4"

G00080070

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Fig 70: Harsh Shift "4" To "3"

G00080071

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Fig 71: Harsh Shift "D4" To "D3", "D2", Or "D1"

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Fig 72: Soft Shifts

G00080073

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Fig 73: Soft Shifts Into "R"

G00080074

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Fig 74: Soft Shift "R" Into "D"

G00080075

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Fig 75: Soft Shift "2" To "1"

G00080076

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Fig 76: Soft Shift "2" To "3"

G00080077

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Fig 77: Soft Shift "3" To "2"

G00080078

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Fig 78: Soft Shift "D3" To "D2"

G00080079

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Fig 79: Delayed Shift "1" To "2"

G00080080

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Fig 80: No "D2" To "D1"

G00080081

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Fig 81: No "D3" To "D2"

G00080082

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