how to fix the timing chain issue in my Toyota Tacoma N300 (2016-Present)

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Disconnect the battery to prevent electrical shorts.
• Allow the engine to cool completely before starting work.

2. Remove Engine Cover

• Use a socket set to remove the bolts securing the engine cover.
• Gently lift the cover off and set it aside.

3. Drain Engine Oil

• Place a drain pan under the oil pan.
• Remove the oil drain plug using a wrench and allow the oil to drain completely.
• Replace the drain plug and torque to manufacturer specifications (usually around 30 ft-lbs).

4. Remove Timing Chain Components

• Remove the front engine timing cover by unscrewing all securing bolts (typically 10-12 mm).
• Carefully detach any components obstructing access to the timing chain, such as the crankshaft pulley and timing chain tensioner.
• Mark the position of the timing chain and gears to maintain alignment.

5. Inspect and Replace Timing Chain

• Check the condition of the timing chain and sprockets for wear.
• If necessary, remove the old timing chain and sprockets.
• Install the new timing chain and sprockets, ensuring proper alignment with timing marks.
• Reinstall the timing chain tensioner and ensure it is functioning correctly.

6. Reassemble Components

• Reinstall the timing cover and replace all bolts, torquing them to the specified value (refer to the service manual for exact specs).
• Reattach any components removed earlier, including the crankshaft pulley.
• Refill the engine with fresh oil.

7. Final Checks

• Reconnect the battery.
• Start the engine and listen for any unusual noises.
• Allow the engine to reach operating temperature and check for leaks around the timing cover.