How Do I Troubleshoot My Vauxhall Vivaro's Transmission?

My Vauxhall Vivaro's transmission seems to be having issues. It's making clunking noises and feels like it's slipping. What could be causing this and what should I do?

First, check your transmission fluid levels and ensure they are at the correct level. If they are low, add more fluid. If they are at the correct level, then it could be an issue with the transmission itself. In this case, it's best to take your Vivaro to a certified mechanic for further diagnosis and repair.

If your transmission fluid levels are fine, then it could be a problem with the transmission filter or solenoids. These can become clogged or worn over time and may need to be replaced. Again, it's best to have a mechanic take a look to properly diagnose and fix the issue.

Another possible cause could be dirty or contaminated transmission fluid. If it hasn't been changed in a while, it may be time to do so. Dirty fluid can cause damage to the transmission, so it's important to have it changed regularly.