Mitsubishi Repair Problems? Ask a Mechanic for Answers ASAP
I will agree with your mechanic, so you can continue to trust him.
He sounds honest, wants to look after you, and wants you to come back if needed.
A bit like me, few and far between.
I think his offer is good if you take it on.
Keep an ear on the noise, and if it does become worse , see him as necessary.
I hope this helps you.
I hope my advice has been of assistance to you.
If you have addressed your concern with your mechanic, please rate my service at your earliest convenience.