Cooling system issues are common in the 2011 Peugeot 308 1.6 VTi 120, often due to faulty thermostats or radiator leaks. To resolve this:

1. Check the coolant level: Ensure the coolant reservoir is filled to the recommended level.
2. Inspect the thermostat: If the engine is overheating or taking too long to warm up, the thermostat may be stuck open or closed. Replace it if necessary.
3. Check for leaks: Look for any coolant leaks around the radiator, hoses, and water pump. Replace damaged components.
4. Test the radiator fan: Ensure the fan operates correctly when the engine reaches the appropriate temperature.

For detailed instructions and diagrams, consult our 2011 Peugeot 308 1.6 VTi 120 Workshop Service & Repair Manual. It provides step-by-step guidance to address cooling system issues effectively.

Diesel particulate filter (DPF) problems can cause reduced engine performance and increased emissions. To address this:

1. Check the warning light: If the DPF warning light is on, it may indicate a blockage.
2. Perform a regeneration: Drive at higher speeds (above 40 mph) for 15-30 minutes to initiate automatic DPF regeneration.
3. Use a DPF cleaner: Add a DPF cleaner to the fuel tank to help break down soot particles.
4. Manual cleaning: If regeneration fails, manual cleaning or DPF replacement may be necessary.

Our 2011 Peugeot 308 1.6 VTi 120 Workshop Service & Repair Manual provides comprehensive instructions for diagnosing and resolving DPF issues, ensuring your vehicle runs smoothly.

Manual gearbox problems, such as difficulty shifting or unusual noises, are common in this model. Here’s how to fix them:

1. Check the transmission fluid: Ensure the fluid level is adequate and that the fluid is clean. Replace or top up if needed.
2. Inspect the clutch: A worn-out clutch can cause shifting problems. If the pedal feels spongy or the clutch slips, it may need adjustment or replacement.
3. Examine the linkage: Ensure the gear linkage is properly aligned and lubricated. Adjust or replace worn parts.
4. Test the synchros: Worn synchronizers can cause grinding or resistance when shifting. This may require professional repair or replacement.

For detailed troubleshooting and repair procedures, refer to our 2011 Peugeot 308 1.6 VTi 120 Workshop Service & Repair Manual. It guides you through every step of gearbox maintenance and repair.

Electrical issues, such as malfunctioning lights or faulty sensors, can be tricky to diagnose. Here’s a step-by-step guide:

1. Check the fuses: Inspect and replace any blown fuses in the fuse box.
2. Test the battery: Ensure the battery is fully charged and terminals are clean and tight.
3. Inspect wiring connections: Look for loose or corroded connections, especially around the alternator and starter motor.
4. Use a diagnostic tool: Plug in an OBD-II scanner to identify fault codes and narrow down the issue.
5. Replace faulty sensors: If specific sensors are identified as faulty, replace them according to the manual’s guidelines.

Our 2011 Peugeot 308 1.6 VTi 120 Workshop Service & Repair Manual includes wiring diagrams and step-by-step instructions for troubleshooting and repairing electrical problems.

Brake problems can pose serious safety risks. Follow these steps to address common brake issues:

1. Inspect brake pads and discs: Check for wear and tear. Replace pads or discs if they are below the minimum thickness.
2. Check brake fluid: Ensure the brake fluid level is within the recommended range. Top up or replace with the correct type if needed.
3. Bleed the brakes: If the pedal feels spongy, air may be trapped in the brake lines. Bleed the brakes to remove air bubbles.
4. Test the brake system: After repairs, test the brakes in a safe area to ensure they are working properly.

For detailed instructions on brake maintenance and repairs, consult our 2011 Peugeot 308 1.6 VTi 120 Workshop Service & Repair Manual. It provides everything you need to ensure your braking system is in top condition