how to deal with a slipping belt in Toyota RAV4 XA40 (2013-2018)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is off.
• Disconnect the negative terminal of the battery.

2. Remove the Old Serpentine Belt

• Tools Required: Socket set, belt removal tool or wrench
• Locate the belt tensioner and use the appropriate tool to relieve tension.
• Slide the belt off the pulleys, taking note of the routing for reinstallation.
• Remove the belt from the tensioner.

3. Inspect and Replace Components

• Inspect the belt tensioner for wear:
  • If the tensioner is faulty, remove it by unbolting it from its mount.
  • Install the new tensioner by reversing the removal steps and torque to manufacturer specifications (typically around 15-20 ft-lbs).
• Check the idler pulley; replace it if it shows signs of wear or rough operation:
  • Remove the idler pulley by unbolting it and install the new pulley, torquing it to specifications.

4. Install New Serpentine Belt

• Refer to the belt routing diagram located on the engine bay or owner's manual.
• Start by routing the belt over the crankshaft pulley, followed by the water pump, and then around the other pulleys as per the routing guide.
• Ensure the belt is seated properly on all pulleys.
• Reapply tension using the tensioner, making sure the belt is tight and properly aligned.

5. Final Checks

• Reconnect the negative battery terminal.
• Start the engine and listen for any unusual noises.
• Check belt alignment and tension during operation.