Ask the Expert

Here are answers to many questions about acoustic guitar care and repair. 

Uncertain about guitar care and maintenance? The ins-and-outs of guitar building? Or another topic related to your guitar? Ask Acoustic Guitar’s repair experts by sending an email with the subject “Repair Expert” to [at] If AG selects your question for publication, you’ll receive a complimentary copy of our Acoustic Guitar Owner’s Manual.


acoustic guitar truss rod blueprint

Ask the Expert: How Does a Truss Rod Work?

The truss rod is a long metal rod installed in a channel running most of the length of your guitar’s neck. Here's how it works and how to tell if it needs adjustment.