Automatic Transmission/Transaxle: Testing and Inspection

ENGINE DOES NOT START IN N OR P

1. Faulty ignition switch or starter motor.
2. Improperly adjusted control cable.
3. Defective inhibitor switch or wiring.

ENGINE STARTS IN RANGES OTHER THAN N OR P

1. Improperly adjusted control cable.
2. Defective inhibitor switch or wiring.

NOISE IN N OR P

1. Incorrect oil level.
2. Incorrect line pressure.
3. Defective oil pump.

VEHICLE MOVES WHEN SHIFTING INTO P OR PARKING GEAR DOES NOT DISENGAGE WHEN SHIFTING OUT OF P

1. Improperly adjusted control cable.
2. Parking linkage does not disengage.

DRIVE IN N

1. Improperly adjusted control cable.
2. Improper oil.
3. Defective manual valve.
4. Defective forward (rear) clutch.

NO DRIVE IN R (CLUTCH SLIPS, POOR ACCELERATION)

1. Incorrect oil level.
2. Improperly adjusted control cable.
3. Incorrect line pressure.
4. Improper oil.
5. Defective manual valve.
6. Damaged seals (except RL4F02A).
7. Defective low and reverse brake.
8. Defective high-reverse (front, high) clutch.
9. Defective forward (rear, low) clutch.
10. Leaking oil passages.
11. Damaged or missing high-reverse (front) clutch check ball (except RL4F02A).

VEHICLE BRAKES WHEN SHIFTING INTO R

1. Improper oil.
2. Damaged seals (except RL4F02A).
3. Defective band servo (except RL4F02A).
4. Defective low and reverse brake (except RL4F02A).
5. Defective forward (rear, low) clutch.
6. Defective band brake.
7. Defective parking linkage.

HARSH ENGAGEMENT BETWEEN N & D

1. Idle speed improperly adjusted.
2. Improperly adjusted throttle wire.
3. Incorrect line pressure.
4. Defective manual valve.
5. Defective forward (rear, low) clutch.

NO DRIVE IN D

1. Improperly adjusted control cable.
2. Incorrect line pressure.
3. Defective manual valve.
4. Defective transaxle one-way clutch.

DRIVE IN R ONLY (CLUTCH SLIPS, POOR ACCELERATION)

1. Incorrect oil level.
2. Improperly adjusted control cable.
3. Improper oil.
4. Incorrect line pressure.
5. Defective manual valve.
6. Damaged seals (except RL4F02A).
7. Engine or brake malfunction.
8. Defective forward (rear, low) clutch.
9. Leaking oil passages.
10. Defective high-reverse (front, high) clutch.

SLIPPING CLUTCHES OR BRAKES

1. Incorrect oil level.
2. Improperly adjusted control cable.
3. Incorrect line pressure.
4. Improper oil.
5. Defective manual valve.
6. Improperly adjusted throttle cable.
7. Damaged seals (except RL4F02A).
8. Defective oil pump.
9. Leaking oil passages.

EXCESSIVE CREEP IN DRIVE RANGES

1. Idle speed improperly adjusted.

NO CREEP IN DRIVE RANGES

1. Incorrect oil level.
2. Improperly adjusted control cable.
3. Idle speed improperly adjusted.
4. Improper oil.
5. Defective manual valve.
6. Defective oil pump.
7. Leaking oil passages.
8. Defective forward (rear, low) clutch.
9. Defective high-reverse (front, high) clutch (except RL4F02A).
10. Defective torque converter (RL4F02A).

NO 1-2 UPSHIFT

1. Improperly adjusted control cable.
2. Improperly adjusted throttle wire.
3. Defective detent valve (except RL4F02A).
4. Improper oil.
5. Defective manual valve.
6. Defective governor.
7. Damaged seals (except RL4F02A).
8. Defective band servo (except RL4F02A).
9. Defective band brake.
10. Leaking oil passages.

NO 2-3 UPSHIFT

1. Improperly adjusted control cable.
2. Improperly adjusted throttle wire.
3. Defective detent valve (except RL4F02A).
4. Improper oil.
5. Defective manual valve.
6. Defective governor.
7. Damaged seals (except RL4F02A).
8. Defective band servo (except RL4F02A).
9. Defective high-reverse (front, high) clutch.
10. Leaking oil passages.
11. Damaged or missing high-reverse (front, high) clutch check ball (except RL4F02A).

DELAYED UPSHIFTS

1. Improperly adjusted throttle wire.
2. Defective detent valve (except RL4F02A).
3. Incorrect line pressure.
4. Improper oil.
5. Defective manual valve.
6. Defective governor.
7. Leaking oil passages.

UPSHIFT FROM 1 DIRECTLY TO 3

1. Improper oil.
2. Defective manual valve.
3. Damaged seals (except RL4F02A).
4. Defective governor.
5. Defective band brake.
6. Leaking oil passages.

HARSH 1-2 UPSHIFT

1. Improperly adjusted throttle wire.
2. Engine stall RPM not within specifications (except RL4F02A).
3. Improper oil.
4. Defective manual valve.
5. Defective band servo (except RL4F02A).
6. Defective band brake.
7. Incorrect line pressure (RL4F02A).

HARSH 2-3 UPSHIFT

1. Improperly adjusted throttle wire.
2. Incorrect line pressure.
3. Defective manual valve.
4. Damaged seals (exc. RL4F02A).
5. Defective band servo (exc. RL4F02A).
6. Defective high-reverse (front,high) clutch.
7. Incorrect oil (RL4F02A).

SLIPPING 2-3 SHIFT

1. Incorrect oil level.
2. Improperly adjusted control cable.
3. Improperly adjusted throttle wire.
4. Incorrect line pressure.
5. Improper oil.
6. Defective manual valve.
7. Damaged seals (except RL4F02A).
8. Defective band servo (except RL4F02A).
9. Defective high-reverse (front, high) clutch (except RL4F02A).
10. Leaking oil passages.
11. Damaged or missing high-reverse (front) clutch check ball (except RL4F02A).
12. Defective band brake (RL4F02A).

VEHICLE BRAKED BY 1-2 UPSHIFT

1. Improper oil.
2. Defective manual valve.
3. Defective low and reverse brake.
4. Defective high-reverse (front, high) clutch.
5. Defective transaxle one-way clutch.
6. Defective reverse clutch (RL4F02A).

VEHICLE BRAKED BY 2-3 UPSHIFT

1. Improper oil.
2. Defective band servo (except RL4F02A).
3. Defective manual valve.
4. Defective band brake.

VEHICLE DOES NOT REACH MAXIMUM SPEED

1. Incorrect oil level.
2. Improperly adjusted control cable.
3. Improper oil.
4. Incorrect line pressure.
5. Engine stall speed not within specifications (except RL4F02A).
6. Defective band servo (except RL4F02A).
7. Defective manual valve.
8. Engine or brake malfunction.
9. Defective band brake.
10. Defective low and reverse brake.
11. Defective forward (rear, low) clutch.
12. Defective high-reverse (front, high) clutch.
13. Defective oil pump.

NO 3-2 DOWNSHIFT WHEN SHIFTING TO 1 (EXC. RL4F02A)

1. Improperly adjusted throttle wire.
2. Improper oil.
3. Defective manual valve.
4. Defective governor.
5. Damaged seals.
6. Defective band servo.
7. Defective high-reverse (front) clutch.
8. Defective band brake.
9. Leaking oil passages.

NO 2-1 OR 3-1 DOWNSHIFT

1. Improperly adjusted throttle wire.
2. Improper oil.
3. Defective manual valve.
4. Defective governor.
5. Damaged seals (except RL4F02A).
6. Defective band servo (except RL4F02A).
7. Defective band brake.
8. Defective one-way clutch.

HARSH DOWNSHIFTS

1. Improperly adjusted control cable.
2. Improperly adjusted throttle wire.
3. Defective detent valve (except RL4F02A).
4. Incorrect line pressure.
5. Defective manual valve.
6. Defective governor.
7. Leaking oil passages.
8. Defective solenoids (RL4F02A).

DELAYED 3-2 & 2-1 DOWNSHIFT (EXC. RL4F02A)

1. Improperly adjusted control cable.
2. Improperly adjusted throttle wire.
3. Defective detent valve.
4. Incorrect line pressure.
5. Defective manual valve.
6. Defective governor.
7. Leaking oil passages.

NO KICKDOWN

1. Defective detent valve (except RL4F02A).
2. Defective throttle wire.
3. Improper oil.
4. Defective manual valve.
5. Defective governor.
6. Defective band brake.
7. Leaking oil passages.
8. Defective low clutch (RL4F02A).

IMPROPER KICKDOWN

1. Improperly adjusted control cable.
2. Improperly adjusted throttle wire.
3. Incorrect line pressure.
4. Improper oil.
5. Defective manual valve.
6. Defective governor.
7. Damaged seals (except RL4F02A).
8. Defective high-reverse (front, high) clutch.
9. Leaking oil passages.
10. Defective band brake (RL4F02A).

SLIPPING 3-2 DOWNSHIFT

1. Improperly adjusted throttle wire.
2. Incorrect line pressure.
3. Improper oil.
4. Defective manual valve.
5. Damaged seals (except RL4F02A).
6. Defective band servo (except RL4F02A).
7. Defective high-reverse (front, high) clutch.
8. Defective band brake.
9. Leaking oil passages (except RL4F02A).
10. Damaged or missing high-reverse (front) clutch check ball (except RL4F02A).

NO DRIVE IN ANY RANGE

1. Incorrect oil level.
2. Improperly adjusted control cable.
3. Incorrect line pressure.
4. Improper oil.
5. Defective manual valve.
6. Damaged seals (except RL4F02A).
7. Defective oil pump.
8. Leaking oil passages.
9. Improperly adjusted parking linkage.
10. Defective torque converter (RL4F02A).

NOISE IN ALL DRIVE RANGES

1. Incorrect oil level.
2. Incorrect line pressure.
3. Defective forward (rear, low) clutch.
4. Defective oil pump.
5. Defective transaxle one-way clutch.
6. Defective planetary gear.

NO 3-2 DOWNSHIFT WHEN SHIFTING TO 2

1. Improperly adjusted control cable.
2. Incorrect line pressure.
3. Improper oil.
4. Defective manual valve.
5. Defective band servo (except RL4F02A).
6. Defective band brake.
7. Leaking oil passages.

2-3 UPSHIFT IN 2

1. Improperly adjusted control cable.
2. Incorrect line pressure.
3. Defective manual valve.
4. Leaking oil passages (RL4F02A).

SLIPPING 1-2 UPSHIFT (EXC. RL4F02A)

1. Incorrect oil level.
2. Improperly adjusted control cable.
3. Improperly adjusted throttle wire.
4. Idle speed improperly adjusted.
5. Engine stall speed not within specifications.
6. Improper oil.
7. Defective manual valve.
8. Damaged seals.
9. Defective band brake.
10. Defective oil pump.

NO 3-2 DOWNSHIFT WHEN SHIFTING TO 1 (EXC. RL4F02A)

1. Improperly adjusted control cable.
2. Incorrect line pressure.
3. Improper oil.
4. Defective manual valve.
5. Defective governor.
6. Damaged seals.
7. Defective band servo.
8. Defective high-reverse (front) clutch.
9. Defective band brake.
10. Leaking oil passages.

NO ENGINE BRAKE IN 1

1. Improperly adjusted control cable.
2. Incorrect line pressure.
3. Improper oil.
4. Defective manual valve.
5. Damaged seals (except RL4F02A).
6. Defective low and reverse brake.
7. Leaking oil passages.

UPSHIFTS IN 1 (EXC. RL4F02A)

1. Improperly adjusted control cable.
2. Defective manual valve.
3. Leaking oil passages.

NO 2-1 DOWNSHIFT IN 1

1. Incorrect oil level.
2. Improperly adjusted control cable.
3. Improper oil.
4. Defective manual valve.
5. Defective governor.
6. Defective band servo.
7. Damaged seals (except RL4F02A).
8. Defective low and reverse brake.
9. Leaking oil passages.

HARSH 2-1 SHIFT WHEN SHIFTED INTO 1

1. Improperly adjusted throttle wire.
2. Engine stall speed not within specifications.
3. Improper oil.
4. Defective manual valve.
5. Defective low and reverse brake.

TRANSAXLE OVERHEATS

1. Incorrect oil level.
2. Incorrect lubrication.
3. Incorrect line pressure.
4. Engine stall RPM not within specifications (except RL4F02A).
5. Improper oil.
6. Defective manual valve.
7. Damaged seals (except RL4F02A).
8. Defective band servo (except RL4F02A).
9. Defective high-reverse (front, high) clutch.
10. Defective band brake.
11. Defective low and reverse brake.
12. Defective oil pump.
13. Leaking oil passages.
14. Defective torque converter or torque converter one-way clutch.
15. Defective planetary gear.
16. Damaged or missing input shaft O-ring (RL3FO1A).
17. Engine or brake malfunction (RL4F02A).
18. Defective low clutch (RL4F02A).
19. Defective reverse clutch (RL4F02A).
20. Defective final drive (RL4F02A).

OIL SHOOTS OUT OF FILLER TUBE OR WHITE SMOKE IS EMITTED FROM EXHAUST PIPE DURING OPERATION

1. Incorrect oil level.
2. Incorrect lubrication.
3. Improperly adjusted throttle cable.
4. Improper oil.
5. Incorrect line pressure.
6. Engine stall speed not within specifications (exc. RL4F02A).
7. Defective manual valve.
8. Damaged seals (except RL4F02A).
9. Defective high reverse (front, high) clutch.
10. Defective band brake.
11. Defective low and reverse brake.
12. Defective oil pump.
13. Leaking oil passages.
14. Defective torque converter one-way clutch.
15. Defective planetary gear.
16. Engine or brake malfunction (RL4F02A).
17. Defective low clutch (RL4F02A).
18. Defective reverse clutch (RL4F02A).
19. Defective final drive (RL4F02A).

FOUL ODOR AT FILL PIPE

1. Incorrect oil level.
2. Improper oil.
3. Defective forward (rear) clutch.
4. Defective high-reverse (front) clutch.
5. Defective band brake.
6. Defective low and reverse brake.
7. Defective oil pump.
8. Leaking oil passages.
9. Defective torque converter one-way clutch.
10. Defective planetary gear.
11. Defective reverse clutch (RL4F02A).
12. Defective final drive (RL4F02A).
13. Incorrect lubrication (RL4F02A).

TORQUE CONVERTER DOES NOT LOCK UP

RL3FO1A

1. Defective governor.
2. Incorrect line pressure.
3. Damaged or missing O-ring in input shaft.
4. Defective oil pump.
5. Defective speed cut valve.
6. Defective lock-up control valve.
7. Defective torque converter.

RL4F02A

1. Defective control valve.
2. Defective governor valve.
3. Incorrect line pressure.
4. Defective torque converter.
5. Defective oil pump.
6. Defective solenoids.

LOCK-UP PISTON SLIP

RL3F01A

1. Incorrect line pressure.
2. Damaged or missing O-ring in input shaft.
3. Defective oil pump.
4. Defective torque converter.

RL4F02A

1. Incorrect line pressure.
2. Defective oil pump.
3. Defective torque converter.
4. Defective solenoids.

EXTREMELY HIGH OR LOW LOCK-UP POINT

RL3F01A

1. Defective governor.
2. Defective speed cut valve.
3. Defective lock-up control valve.

RL4F02A

1. Defective control valve.
2. Defective governor valve.
3. Defective solenoids.

ENGINE BRAKES AT R, D, 2 & 1

RL3F01A

1. Defective lock-up control valve.
2. Defective torque converter.

RL4FO2A

1. Defective control valve.
2. Defective solenoids.
3. Defective torque converter.

NO 3-4 UPSHIFT (RL4F02A)

1. Improperly adjusted control cable.
2. Improperly adjusted throttle wire.
3. Improper oil.
4. Defective control valve.
5. Incorrect governor valve.
6. Defective high clutch.
7. Defective band brake.

HARSH 3-4 UPSHIFT (RL4F02A)

1. Improperly adjusted throttle wire.
2. Improper oil.
3. Incorrect line pressure.
4. Defective control valve.
5. Defective band brake.

SLIPPING 3-4 UPSHIFT (RL4F02A)

1. Incorrect oil level.
2. Improperly adjusted control cable.
3. Improperly adjusted throttle wire.
4. Incorrect line pressure.
5. Improper oil.
6. Defective control valve.
7. Defective band brake.
8. Leaking oil passages.

VEHICLE BRAKED BY 3-4 UPSHIFT (RL4F02A)

1. Improper oil.
2. Defective control valve.
3. Defective low clutch.

NO 4-3 DOWNSHIFT (RL4F02A)

1. Improperly adjusted throttle wire.
2. Improper oil.
3. Defective control valve.
4. Defective governor valve.
5. Defective low clutch.
6. Defective band brake.
7. Leaking oil passages.

NO 3-2 OR 4-2 DOWNSHIFT (RL4F02A)

1. Improperly adjusted throttle wire.
2. Improper oil.
3. Defective control valve.
4. Defective governor valve.
5. Defective band brake.
6. Leaking oil passages.

DELAYED 4-3, 3-2 & 2-1 DOWNSHIFTS (RL4F02A)

1. Improperly adjusted control cable.
2. Improperly adjusted throttle wire.
3. Incorrect line pressure.
4. Defective control valve.
5. Defective governor valve.
6. Leaking oil passages.

SLIPPING 4-3 DOWNSHIFT (RL4F02A)

1. Improperly adjusted throttle wire.
2. Incorrect line pressure.
3. Improper oil.
4. Defective control valve.
5. Defective high clutch.
6. Defective band brake.

ABNORMAL TORQUE CONVERTER LOCK-UP PRESSURE (RL4F02A)

1. Improperly adjusted throttle wire.
2. Incorrect line pressure.
3. Defective control valve.
4. Defective oil pump.
5. Defective torque converter.

SHIFTS TO O.D. w/O.D. CONTROL SWITCH OFF (RL4F02A)

1. Defective O.D. control switch and/or switch wiring.
2. Defective solenoids.

O.D. CONTROL SWITCH LAMP DOES NOT ILLUMINATE WHEN SHIFTED TO O.D. (RL4F02A)

1. Defective O.D. indicator switch.
2. Defective O.D. control switch and/or switch wiring.