Changement courroie distribution C3 Picasso 2011 - Moteur Peugeot HDI 1.6

Introduction

This tutorial will guide you through the process of replacing the timing belt and related components on a 2011 Citroën C3 Picasso equipped with a 1.6 HDI engine. This task can save you a significant amount of money compared to professional services, and it's an essential maintenance step to ensure the longevity of your vehicle.

Step 1: Remove the Upper Timing Belt Cover

• Start by disconnecting the battery to ensure safety.
• Use a socket wrench to remove the bolts securing the upper timing belt cover.
• Carefully lift off the cover and set it aside.

Step 2: Remove the Engine Mount Support

• Locate the engine mount that needs to be removed.
• Unscrew the bolts using the appropriate size socket.
• Gently lift the engine to access the timing belt area, ensuring that you have proper support underneath.

Step 3: Remove the Accessory Belt

• Identify the tensioner for the accessory belt.
• Release the tension on the belt and slide it off the pulleys.
• Set the accessory belt aside for replacement.

Step 4: Align the Timing Mark Before Removing the Belt

• Rotate the crankshaft to align the timing marks on the camshaft and crankshaft.
• This step is crucial to ensure the engine timing is correct when you reinstall the new belt.

Step 5: Remove the Damper Pulley and Lower Cover

• Use a socket to remove the damper pulley.
• After that, detach the lower timing belt cover by unscrewing the bolts.
• Carefully take off the cover to expose the timing belt.

Step 6: Tips Before Removing the Timing Belt

• Double-check the alignment of the timing marks.
• Ensure you have all necessary tools ready for reassembly, including a torque wrench.

Step 7: Remove the Timing Belt

• With the timing marks aligned, carefully loosen and remove the timing belt from the pulleys.
• Inspect the belt for wear and damage.

Step 8: Remove the Water Pump

• Locate the water pump and unscrew the bolts holding it in place.
• Remove the water pump and clean the mounting surface in preparation for the new pump.

Step 9: Install the New Water Pump

• Place the new water pump into position.
• Secure it with bolts, making sure to follow the manufacturer's torque specifications.

Step 10: Install the New Timing Belt

• Begin by placing the new timing belt onto the crankshaft and camshaft pulleys according to the alignment marks.
• Ensure it is seated properly on all pulleys.

Step 11: Adjust the Timing Belt Tensioner

• Install the tensioner and adjust it to the manufacturer's specifications.
• This ensures that the timing belt has the correct tension.

Step 12: Verify Timing Alignment

• Rotate the crankshaft manually to ensure that the timing marks remain aligned after installing the new belt.
• This helps confirm that everything is correctly positioned.

Step 13: Reinstall the New Accessory Belt

• Place the new accessory belt onto the pulleys.
• Ensure the belt is properly tensioned and aligned.

Step 14: Final Checks Before Starting the Engine

• Reattach the lower and upper timing belt covers.
• Reinstall the engine mount support and tighten the bolts.
• Reconnect the battery.

Conclusion

You have successfully replaced the timing belt, water pump, and accessory belt on your C3 Picasso. Regular maintenance of these components is essential for the health of your engine. After replacing the components, start the engine and listen for any unusual sounds. If everything sounds good, you've completed the job! Consider keeping a record of this maintenance for future reference and plan your next service based on the manufacturer's recommendations.