Failure of equipment and units (Chevrolet Orlando 1)

1. The engine does not start

When trying to start the engine, the crankshaft does not rotate

1. The terminals on the battery terminals are not tightened sufficiently or are oxidized. Check the condition of the terminals, clean them if necessary and tighten the fastening nuts.

2. The battery is discharged or faulty. Check the battery condition, charge it, replace the faulty one. After connecting the terminals, cover them and the battery terminals with a special compound or any plastic lubricant.

3. The starter electrical circuit is faulty. Check the power supply circuit and the condition of the electrical connections. Replace damaged wires, clean oxidized tips and terminals, and treat with a cleaning and protection agent for electrical contacts. Tighten the threaded connections in accordance with the specified tightening torque.

4. The starter solenoid relay is faulty. Replace the faulty relay or starter assembly.

5. Starter is faulty. Repair it or replace it.

6. The ignition switch (lock) is faulty. Replace the faulty part.

The crankshaft rotates but the engine does not start (the engine starts but stops immediately)

1. Engine starting is blocked by the immobilizer. Disable the car's security system. If after this the engine start remains blocked, you should contact a specialized service station.

2. There is no fuel in the tank (check the fuel level sensor readings, replace it if faulty).

3. The crankshaft does not rotate fast enough to start the engine due to a low battery charge or oxidized terminals on its terminals. Check the condition of the terminals, clean them if necessary and tighten the fastening nuts. Check the battery status. charge it, replace the faulty one. After connecting the terminals, cover them and the battery terminals with a special compound or any plastic lubricant.

4. Malfunction of fuel supply system elements. Check the fuel supply system for leaks by inspection. Check the pressure in the fuel supply system, the serviceability of the fuel injectors and fuel module, replace faulty parts.

5. Leaky connections of the intake manifold. Replace the seals in the intake manifold connectors.

6. The engine management system is faulty. Perform diagnostics of the engine management system, replace faulty components.

7. The ignition module or its electrical circuit is faulty. Check the power supply circuit and the condition of the electrical connectors. Treat oxidized terminals with a cleaning and protection agent for electrical contacts. Perform diagnostics of the engine management system, replace the faulty part.



8. Low compression in engine cylinders. Check the technical condition of the engine. Repair the engine by replacing worn and faulty parts.

9. The timing belt is broken. Repair the engine.

2. Unable to start moving

In a car with a manual transmission, the clutch slips (the engine speed increases, but the car does not start moving)

1. The clutch release hydraulic drive is faulty. Check and flush the clutch release hydraulic drive, replace faulty parts. Bleed the clutch release hydraulic drive.

2. The clutch slave disk linings are badly worn or the clutch master disk central diaphragm spring is faulty. Replace the clutch assembly.

On a vehicle with an automatic transmission, gears do not engage or a gear is engaged that does not correspond to the position of the selector lever

1. The selector drive cable adjustment is incorrect. Check and adjust the drive cable if necessary.

2. The automatic transmission operating mode sensor is faulty. Using special diagnostic equipment, determine the fault codes of the automatic transmission by connecting it to the diagnostic connector. Eliminate the detected malfunction.

3. The electronic control system of the automatic transmission is faulty. Using special diagnostic equipment, connect it to the diagnostic connector to determine the fault codes of the automatic transmission. Eliminate the detected malfunction.

4. The automatic transmission is faulty. Using special diagnostic equipment, connect it to the diagnostic connector to determine the fault codes of the automatic transmission. Eliminate the detected malfunction.

3. Lighting of the malfunction indicator lamps

When the engine is running, the oil pressure warning light comes on

1. Low engine oil level. Check the engine oil level and top it up to normal.

2. The crankshaft speed at idle is below normal. Perform diagnostics of the engine management system. If necessary, update the ECU software ("reflash"). Check and, if necessary, replace the throttle assembly.

3. Short circuit in the "sensor-control lamp" circuit. Check the emergency oil pressure sensor and its electrical circuit. Restore the chain, replace faulty parts if necessary.

4. The emergency oil pressure sensor is faulty. Check the emergency oil pressure sensor; replace if faulty.

5. Low oil pressure in the engine lubrication system due to wear of the crankshaft main bearings and/or oil pump. Check the technical condition of the engine (engine lubrication system pressure). Repair the engine by replacing faulty parts.

Battery charge indicator light does not light up when clamping is turned on

1. The electrical circuit of the generator excitation winding is faulty. Check the generator circuit. Treat electrical connectors with a product to clean and protect electrical contacts. Repair or replace a faulty generator.



2. The instrument panel is faulty. Perform diagnostics of the engine management system. Replace the faulty instrument panel.

While driving, various control lights on the instrument panel light up.

Perform diagnostics of the engine management system and other systems. Correct the detected malfunction.

Direction indicator indicator light flashes at double the frequency.

The filament of one of the turn signal lamps burned out. Check the lamps of the outdoor lighting and light signaling devices, replace the faulty lamp.

When the engine is running, the engine management system malfunction indicator lamp comes on (may be accompanied by deterioration in engine performance).

One of them is out of order (or several) elements of the engine control system or the electrical circuit is broken. Perform diagnostics of the engine management system. Correct the detected malfunction.

4. Malfunctions that occur during engine operation

The engine gets very hot

1. Insufficient coolant level in the cooling system. By inspection, determine the location of the leak, eliminate the leak and bring the fluid level back to normal.

2. The engine cooling system radiator is clogged. Blow out the radiator with compressed air or a jet of water from the engine compartment.

3. The valves in the expansion tank cap of the cooling system are faulty. Replace the faulty cover.

4. Thermostat is faulty. Check the technical condition of the cooling system. Remove and check the thermostat; replace if faulty.

5. The electric fan of the engine cooling system is faulty. Check the technical condition of the cooling system. Check the electric fan, replace if faulty.

6. The cooling system pump is faulty. Remove and replace the cooling system pump.

Glow ignition

Note: Pre-ignition is the premature self-ignition of the working mixture from a hot substance (for example, carbon deposits formed in the combustion chamber) or from overheated (more than 700-800°C) parts - spark plugs, exhaust valves, etc.

1. High engine crankshaft speed at idle. Perform diagnostics of the engine management system. If necessary, update the ECU software ("reflash"). Check and, if necessary, replace the throttle assembly and gas pedal position sensor.

2. Engine overheating. Check the coolant temperature gauge on the instrument panel and, if the engine is indeed overheating, eliminate the cause of the overheating.

3. Using spark plugs with the wrong heat rating. Replace spark plugs.

4. Carbon deposits on valves and in engine combustion chambers (frequent short distance travel). Self-cleaning requires a long drive at a speed of at least 90 km/h. As a preventative measure against carbon deposits, it is advisable to use the car more often on country roads.

5. Malfunctions that occur while the vehicle is moving

In a car with a manual transmission, gear shifting is difficult or impossible

1. Air in the clutch release hydraulic drive. Identify the location of the leak and replace the faulty parts. Bleed the clutch release hydraulic drive to remove air.

2. The gear shift drive adjustment is disturbed. Check the manual transmission and adjust the gear shift drive.

3. Breakage or wear of clutch parts. Check the clutch, replace faulty parts.

A vehicle with an automatic transmission does not engage a gear that matches the vehicle speed

1. The electronic control system of the automatic transmission is faulty. Using special diagnostic equipment, connect it to the diagnostic connector to determine the fault codes of the automatic transmission. Eliminate the detected malfunction.

2. The automatic transmission is faulty. Using special diagnostic equipment, connect it to the diagnostic connector to determine the fault codes of the automatic transmission. Eliminate the detected malfunction.

Reduced braking efficiency

1. Oiling of brake discs and brake shoe linings. Check the technical condition of the brake system. Treat the discs with brake cleaner. Replace the brake pads.

2. The brake booster is faulty. Check the technical condition of the brake system. Replace the faulty part.

3. ABS anti-lock braking system is faulty (the malfunction occurs when braking on a slippery surface or during emergency braking). The ABS malfunction indicator light on the instrument panel may come on . Using special diagnostic equipment, connect it to the diagnostic connector, determine the ABS fault codes. Eliminate the detected fault.

Vehicle deviation from straight-line motion (on a straight section of road without a slope)

1. Puncture or malfunction of the valve stem of one of the wheels. Replace the valve or replace the wheel. Check and adjust tire pressure to normal.

2. Breakage of one of the front suspension springs. Check the technical condition of the front suspension. Replace faulty springs.

3. Breakage of one of the rear suspension springs. Check the technical condition of the rear suspension, replace the springs as a set.

4. Due to damage to the front suspension, the wheel alignment angles are not adjusted correctly. Check the technical condition of the front suspension. Replace defective parts. Check and adjust the wheel alignment angles in a specialized workshop.

5. Braking of one of the car's wheels. Check the technical condition of the brake system. Replace defective parts.

Vehicle drifts away from straight-line motion when braking

1. Puncture or malfunction of the valve stem of one of the front wheels. Replace the valve or replace the wheel. Check and adjust tire pressure to normal.

2. One of the brake mechanisms is faulty. Check the technical condition of the brake system.

3. The hose or line of one of the brake mechanisms is pinched. Check the technical condition of the brake system. Replace defective parts.

4. The fuse in the anti-lock braking system (ABS) circuit is faulty. Check the fuse and relay box in the engine compartment, replace the faulty fuse or relay. If the fuse blows again, use special diagnostic equipment, connect it to the diagnostic connector, to determine the ABS fault codes. Eliminate the detected fault.

5. The anti-lock braking system (ABS) is faulty. Using special diagnostic equipment, connect it to the diagnostic connector, to determine the ABS fault codes. Eliminate the detected fault.

6. The vehicle is overloaded or loaded unevenly. When transporting cargo, do not exceed the permissible axle load of the vehicle, as indicated on the identification plate (see "Identification numbers"). Distribute the load evenly.

6. Excessive steering play

1. The steering rod joints are worn out. Check the technical condition of the steering. Replace faulty and worn parts.

2. The front wheel hub bearings are worn out, check the technical condition of the front wheel hubs. Replace faulty parts.

3. Play in the steering mechanism. Check the technical condition of the steering. Replace faulty and worn parts.

4. Play in the steering column joint. Check the technical condition of the steering. Replace faulty and worn parts.

7. The effort required to turn the steering wheel has increased

The power steering fuse has blown. Check the fuse and relay box in the engine compartment, replace the faulty fuse. If the fuse blows again, determine the system status using the fault codes by connecting special diagnostic equipment to the diagnostic connector. Correct the indicated steering fault.

8. Uneven tire wear

1. Different tire pressure on the front wheels. Check the tire pressure and bring it up to normal.

2. Wheel alignment is incorrect. Have your wheel alignment adjusted at a specialist workshop.

3. Suspension parts are damaged. Check the condition of the front suspension. Replace faulty parts.

4. One of the front suspension springs is broken, check the condition of the front suspension. Replace faulty parts.

5. One of the rear suspension springs is broken, check the condition of the rear suspension. Replace faulty parts.

6. The balance of one or more wheels is disturbed. Have your wheels balanced at a specialist workshop.

7. The vehicle is overloaded or loaded unevenly. When transporting cargo, do not exceed the permissible axle load of the vehicle, as indicated on the identification plate (see "Identification numbers"). Distribute the load evenly.

9. The battery is discharged

The battery discharges while the car is parked

1. The anti-theft alarm system consumes a lot of current. With a multimeter (ammeter) measure the current consumption. Repair or replace the anti-theft alarm system.

2. Current leaks in the vehicle's electrical equipment. With a multimeter (in ammeter mode) measure leakage current. Disconnecting the car's circuits one by one (removing fuses), we determine the faulty circuit with the highest leakage current. We replace the faulty part or eliminate the short circuit in the power supply circuit of the electrical equipment.

The battery is not charging (the battery charge indicator light does not go out after starting the engine)

1. The drive belt is worn out or its tensioner is faulty. Check the condition and replace the accessory drive belt or tensioner if necessary.

2. Low electrolyte level in the battery. Check the condition of the battery. In a low-maintenance battery, bring the electrolyte level to normal and charge. Replace the maintenance-free battery.

3. The terminals on the battery terminals are not tightened sufficiently or are oxidized. Clean the wire terminals and battery posts from oxidation. After connecting the terminals, cover them and the battery terminals with a special compound or any plastic lubricant.

4. The generator is faulty. Check the technical condition of the generator. Repair or replace a faulty generator.

5. The voltage regulator is faulty. Check the technical condition of the generator. Replace a faulty voltage regulator or alternator assembly.

6. The electrical circuit for charging the battery is faulty. Check and repair the electrical circuit.

10. One or more lighting or signal lights do not turn on

Individual headlights, taillights or ceiling lights do not turn on

1. The lamp filament has burned out. Replace the faulty lamp.

2. The contact of the lamp in the socket is oxidized. Treat the oxidized connection with a cleaning and protection agent for electrical contacts.

3. Electrical equipment wires are damaged or the tips in their connections are oxidized. Treat electrical connections with a cleaner and protector for electrical contacts.

Not all lamps of one circuit turn on

1. Faulty fuse or relay in the corresponding circuit. Check the fuse and relay box, replace faulty fuse or relay. If the fuse blows again, check the corresponding electrical circuit and correct the fault.

2. Malfunction of the left steering column switch. Check the steering column switch, replace the faulty part.

3. Electrical equipment wires are damaged or the tips in their connections are oxidized. Treat the oxidized connection with a cleaning and protection agent for electrical contacts. Replace damaged parts.

ABOUT

individual headlights or taillights are dimly lit

1. Poor contact or damage to the wire connecting the lamp (flashlight) to the ground. Treat the oxidized connection with a cleaner and protector for electrical contacts. If it is not possible to restore the connection, replace the damaged parts.

2. Darkening of the lamp bulb. Replace the lamp.

11. The electrical equipment of the body does not work

Windscreen wipers not working

1. Fuse or relay failure. Check the fuse and relay box, replace the faulty fuse. If the fuse blows again, check the corresponding electrical circuit and correct the fault.

2. Malfunction of the right steering column switch. Check the steering column switch, replace the faulty part.

3. The windshield wiper motor-reducer is faulty. Check the gear motor and replace the faulty part.

4. The electrical wiring is faulty. Check electrical circuits and repair.

The electric drive of the side rear view mirrors does not work

1. Fuse failure. Check the fuse and relay box, replace the faulty fuse. If the fuse blows again, check the corresponding electrical circuit and correct the fault.

2. The side mirror electric drive control unit is faulty. Check the unit and replace the faulty part.

3. The side rear view mirrors are faulty. Check and replace the faulty part.

4. The electrical wiring is faulty. Check electrical circuits and repair.

The electric windows don't work

1. Fuse or relay failure. Check the fuse and relay box, replace the faulty fuse or relay. If the fuse blows again, check the corresponding electrical circuit and correct the fault.

2. The power window control unit or button is faulty. Check the unit and replace the faulty part.

3. The window lift motor-reducer is faulty. Check the gear motor and replace the faulty part.

4. The electrical wiring is faulty. Check electrical circuits and repair.

Door locks do not lock/unlock with the central locking remote control

1. The battery in the remote control, which is built into the car key, is discharged. Replace the remote control battery with a new one.

2. The remote control, which is built into the car key, is faulty. Replace the faulty part.

3. The electrical equipment control unit is faulty. Perform diagnostics of the engine management system. Replace the faulty part.

12. The body equipment does not work

The car door does not open with the key

1. Water has frozen in the door lock cylinder (at an ambient temperature below 0°C). Treat the locks with penetrating lubricant.

2. The door lock cylinder is dirty. Blow out with compressed air and lubricate the door lock. Replace the faulty part if necessary.

3. The door lock is faulty. Replace the faulty part.

The doors do not lock in the closed position

Seizure of moving parts of door locks due to dirt or lack of lubrication. Lubricate the locks and hinges of the body.

The hood lock does not open

1. Breakage of the hood lock drive rod. Replace the faulty part.

2. The hood lock is faulty. Replace the faulty part.

The trunk lock does not open

The luggage compartment lock is faulty. Replace the faulty part.

The article was borrowed from the website «ChevyMan.ru»