Symptom Diagnosis

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 Overheats

G00095856

Courtesy of GENERAL MOTORS CORP.

Fig 2: Oil Pressure High Or Low

G00095817

Courtesy of GENERAL MOTORS CORP.

Fig 3: Harsh Shifts

G00095818

Courtesy of GENERAL MOTORS CORP.

Fig 4: Inaccurate Shift Points

G00095819

Courtesy of GENERAL MOTORS CORP.

Fig 5: 1st Gear Only - No Upshift

G00095820

Courtesy of GENERAL MOTORS CORP.

Fig 6: Slips In 1st Gear (1 Of 2)

G00095821

Courtesy of GENERAL MOTORS CORP.

Fig 7: Slips In 1st Gear (2 Of 2)

G00095822

Courtesy of GENERAL MOTORS CORP.

Fig 8: Slipping Or Harsh 1-2 Shift

G00095823

Courtesy of GENERAL MOTORS CORP.

Fig 9: No 2-3 Shift Or 2-3 Shift Slips, Rough Or Hunting

G00095824

Courtesy of GENERAL MOTORS CORP.

Fig 10: 2nd/3rd Gears Only Or 1st/4th Gears Only

G00095825

Courtesy of GENERAL MOTORS CORP.

Fig 11: No 1st Or 2nd Gear, Or No 3rd Or 4th Gear

G00095826

Courtesy of GENERAL MOTORS CORP.

Fig 12: No 2nd Gear, No 4th Gear & No Reverse Gear

G00095827

Courtesy of GENERAL MOTORS CORP.

Fig 13: 3rd Gear Only

G00095828

Courtesy of GENERAL MOTORS CORP.

Fig 14: 3-2 Flare Or Tie-Up

G00095829

Courtesy of GENERAL MOTORS CORP.

Fig 15: No 3-4 Shift, Slips Or Rough 3-4 Shift

G00095830

Courtesy of GENERAL MOTORS CORP.

Fig 16: No Reverse Or Slips In Reverse

G00095831

Courtesy of GENERAL MOTORS CORP.

Fig 17: No Part Throttle Or Delayed Downshifts

G00095832

Courtesy of GENERAL MOTORS CORP.

Fig 18: Harsh Garage Shift

G00095833

Courtesy of GENERAL MOTORS CORP.

Fig 19: No Overrun Braking In Manual 3-2-1

G00095834

Courtesy of GENERAL MOTORS CORP.

Fig 20: No TCC Apply (300 RPM Slip)

G00095835

Courtesy of GENERAL MOTORS CORP.

Fig 21: TCC Shudder

G00095836

Courtesy of GENERAL MOTORS CORP.

Fig 22: No TCC Release

G00095837

Courtesy of GENERAL MOTORS CORP.

Fig 23: TCC Slip (100 RPM Slip)

G00095838

Courtesy of GENERAL MOTORS CORP.

Fig 24: TCC Slip With Stall/Stumble

G00095839

Courtesy of GENERAL MOTORS CORP.

Fig 25: TCC Intermittent (Okay Cold/Slips Hot)

G00095840

Courtesy of GENERAL MOTORS CORP.

Fig 26: No 4th Gear Or Slips In 4th Gear

G00095841

Courtesy of GENERAL MOTORS CORP.

Fig 27: Slip Or Flare In Any Gear

G00095842

Courtesy of GENERAL MOTORS CORP.

Fig 28: No 3rd Gear

G00095843

Courtesy of GENERAL MOTORS CORP.

Fig 29: Drives In Neutral

G00095844

Courtesy of GENERAL MOTORS CORP.

Fig 30: 2nd Gear Start

G00095845

Courtesy of GENERAL MOTORS CORP.

Fig 31: No Park

G00095848

Courtesy of GENERAL MOTORS CORP.

Fig 32: Oil Out Vent

G00095846

Courtesy of GENERAL MOTORS CORP.

Fig 33: Vibration In Reverse & Whining Noise In Park

G00095847

Courtesy of GENERAL MOTORS CORP.

Fig 34: Ratcheting Noise

G00095849

Courtesy of GENERAL MOTORS CORP.

Fig 35: No Drive In All Ranges

G00095850

Courtesy of GENERAL MOTORS CORP.

Fig 36: No Drive In "D" Range

G00095851

Courtesy of GENERAL MOTORS CORP.

Fig 37: Gearshift Lever Indicates Wrong Gear

G00095852

Courtesy of GENERAL MOTORS CORP.

Fig 38: No Gear Selection

G00095853

Courtesy of GENERAL MOTORS CORP.

Fig 39: Engine Starts In Gear

G00095854

Courtesy of GENERAL MOTORS CORP.

Fig 40: Delay In Drive & Reverse

G00095855

Courtesy of GENERAL MOTORS CORP.