Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2005OPTRA5 BASE, STANDARDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION - ZF 4HP 16 - INTRODUCTION AND MECHANICAL REPAIRSPECIFICATIONSRANGE REFERENCE
2005 Chevrolet Optra5 Base, Standard
Range Reference
2005 Chevrolet Optra5 Base, StandardSECTION Range Reference
| Range | Park/Neutral | Reverse | D | 3 | 2 | 1 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gear | N | R | 1st | 2nd | 3rd | 4th | 3 1st | 1 2nd | 3rd | 2 1st | 2nd | 1st |
| Solenoid Valve 1 | ON | ON/OFF | ON/OFF | ON/OFF | ON/OFF | ON/OFF | ON/OFF | ON/OFF | ON/OFF | ON/OFF | ON/OFF | ON/OFF |
| Solenoid Valve 2 | ON | ON | ON | OFF | OFF | OFF | ON | OFF | OFF | ON | OFF | ON |
| Line Pressure Control Solenoid Valve (PCS) 3 | OFF | OFF | OFF | ON | ON/OFF | ON/OFF | OFF | ON | ON/OFF | OFF | ON | OFF |
| Line Pressure Control Solenoid Valve (PCS) 4 | ON | OFF | ON | ON | ON | OFF | ON | ON | ON | ON | ON | ON |
| Line Pressure Control Solenoid Valve (PCS) 5 | OFF | OFF | ON | ON | OFF | OFF | ON | ON | OFF | ON | ON | ON |
| Line Pressure Control Solenoid Valve (PCS) 6 | ON | OFF | ON | ON | ON | OFF | ON | ON | ON | ON | ON | ON |
| Brake B | A | A | A | - | A | - | A | - | A | A | - | A |
| Brake C | - | - | - | - | - | H | - | - | - | - | - | - |
| Brake D | - | H | - | - | - | - | - | - | - | - | - | - |
| Brake E | - | - | - | A | A | A | - | A | A | - | A | - |
| Brake F | - | - | H | H | - | - | H | H | - | H | H | H |
| Lock-up Clutch | - | - | - | - | - | A | - | - | - | - | - | - |
| A = Applied H = Holding ON = The solenoid is energized OFF = The solenoid is not energized 1 Manual Second-Third gear is only available above approximately 100 km/h (62 mph). 2 Manual First-Second gear is only available above approximately 60 km/h (37 mph). 3 Manual First-Third gear is also possible at high vehicle speed as a safety feature. |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.