Having problems with your 2006 Chevrolet TrailBlazer LT ?
Knocking engine my engine started knocking there was no oil
Then your engine is probably toast. if it was just tapping, fill the oil. it might go away if you are lucky. I'm not sure what you question is , or if you have one. you may want to pe-post it, and add some details.
Repair Help & Product Troubleshooting for 2006 Chevrolet TrailBlazer LT
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.