AAA Approved Auto Repair Shop Reviews Grand Mobil 22628 E Golden Springs Dr Diamond Bar, CA 91765 Tel: (909) 861-6418 Hours: M-F: 08:00 AM - 05:30 PM Sat: 08:00 AM - 02:00 PM Sun: Closed Reviews Sort Reviews by: Date » or Rating » 1 Reviews Tim Itatani Diamond Bar, CA Reviewed : 12/13/2021 Comment : 1 Reviews Charles Blank Diamond Bar, CA Reviewed : 05/17/2021 Comment : 1 Reviews Dewey Mcfadden Diamond Bar, CA Reviewed : 03/14/2021 Comment : 1 Reviews M jeanne Coats Diamond Bar, CA Reviewed : 03/06/2021 Comment : I always go to Grand Mobil for all automobile issues. Tim has kept three of my cars running in top condition over the course of 30 plus years. I would not go anywhere else for my service. 1 Reviews Franklin Jen Diamond Bar, CA Reviewed : 02/25/2021 Comment : 1 Reviews Jack Di paolo Diamond Bar, CA Reviewed : 02/21/2021 Comment : 1 Reviews Kandace Mondt Diamond Bar, CA Reviewed : 02/21/2021 Comment : 1 Reviews Vicki Giansante Diamond Bar, CA Reviewed : 02/19/2021 Comment : Several years ago my car was towed to Grand Mobile because it is an AAA approved shop, and I keep going back because of the excellent service. 1 Reviews Phillip Trueblood Diamond Bar, CA Reviewed : 02/14/2021 Comment :