how to fix jerking transmission on Volvo XC60 536 (2017-Present)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Check and Replace Transmission Fluid

• Tools Required: Transmission fluid pump, funnel, 10mm socket, torque wrench
• Sub-steps:
  1. Remove the transmission fluid dipstick and check the fluid level.
  2. If the fluid is low, add the recommended type of transmission fluid (consult owner's manual for specifications).
  3. If the fluid is burnt or dirty, drain the old fluid using a transmission fluid pump.
  4. Replace the transmission fluid filter by removing the transmission pan with a 10mm socket.
  5. Clean the transmission pan and replace the gasket before reattaching it.
  6. Refill the transmission with new fluid using a funnel.

3. Inspect and Replace Transmission Mounts (if necessary)

• Tools Required: Floor jack, jack stands, socket set
• Sub-steps:
  1. Support the transmission with a floor jack.
  2. Remove the bolts securing the transmission mounts.
  3. Inspect the mounts for cracks or deterioration.
  4. Replace with new mounts if damaged.
  5. Reattach and torque the bolts to the manufacturer's specifications.

4. Check Electrical Connections

• Tools Required: Multimeter
• Sub-steps:
  1. Reconnect the battery and locate the transmission control module (TCM).
  2. Inspect the wiring harness for damage or corrosion.
  3. Use a multimeter to test for continuity and proper voltage in the connections.
  4. Repair or replace any damaged wires or connectors.