Chapter 3: Off-Vehicle Repair

PROBLEM SYMPTOMS (OFF-VEHICLE REPAIR)

Symptom

Suspect Area

Vehicle does not move in any forward position and reverse positions

1. ⁽¹⁾

2. ⁽¹⁾

3. ⁽¹⁾

4. TORQUE CONVERTER CLUTCH

Vehicle does not move in R position

1. ⁽¹⁾

2. ⁽¹⁾

3. ⁽¹⁾

4. ⁽¹⁾

No up shift (1st --> 2nd)

⁽¹⁾

No up shift (2nd --> 3rd)

1. ⁽¹⁾

2. ⁽¹⁾

No up shift (3rd --> 4th)

⁽¹⁾

No up shift (4th --> 5th)

⁽¹⁾

No lock up or No lock up off

TORQUE CONVERTER CLUTCH

Harsh engagement (N --> D)

1. ⁽¹⁾

2. ⁽¹⁾

3. ⁽¹⁾

Harsh engagement (N --> R)

1. ⁽¹⁾

2. ⁽¹⁾

3. ⁽¹⁾

Harsh engagement (1 --> 2)

⁽¹⁾

Harsh engagement (2 --> 3)

1. ⁽¹⁾

2. ⁽¹⁾

3. ⁽¹⁾

Harsh engagement (3 --> 4)

⁽¹⁾

Harsh engagement (4 --> 5th)

1. ⁽¹⁾

2. ⁽¹⁾

Harsh engagement (Lock up)

TORQUE CONVERTER CLUTCH

Slip or shudder (Forward and reverse: After warm-up)

1. ⁽¹⁾

2. ⁽¹⁾

3. TORQUE CONVERTER CLUTCH

Slip or shudder (Particular position: Just after engine starts)

TORQUE CONVERTER CLUTCH

Slip or shudder (R position)

1. ⁽¹⁾

2. ⁽¹⁾

3. ₄ )⁽¹⁾

Slip or shudder (1st)

1. ⁽¹⁾

2. ⁽¹⁾

Slip or shudder (2nd)

⁽¹⁾

Slip or shudder (3rd)

1. ⁽¹⁾

2. ⁽¹⁾

3. ⁽¹⁾

Slip or shudder (4th)

⁽¹⁾

Slip or shudder (5th)

⁽¹⁾

No engine braking (1st --> 4th: D position)

⁽¹⁾

No engine braking (1st: L position)

⁽¹⁾

No engine braking (2nd: 2 position)

⁽¹⁾

No engine braking (3rd: 3 position)

⁽¹⁾

Poor acceleration (All positions)

TORQUE CONVERTER CLUTCH

Poor acceleration (5th)

1. ⁽¹⁾

2. ⁽¹⁾

Engine stalls when starting off or stopping

TORQUE CONVERTER CLUTCH

⁽¹⁾	See A650E AUTOMATIC TRANSMISSION OVERHAUL