The best diesel mechanic shop in Cowlitz county area. Got my truck in quick got it diagnosed and…read morefixed. Was really affordable. Extremely pleased with the quality of work and communication.

The check engine light came on in my 2020gmc diesel, the code said DPF. Called Shayne's they got me…read morein that day. The y repaired it fast and less than I thought it would be. I would definetly recommend these guys. Steve N.

Very friendly and helpful! Didn't have the tooling to mount my drive shaft, but still great to…read morehave a local shop doing this type of work.

From the owner: Our knowledgeable staff and Extensive Inventory provides excellent service…read more Specilizing in Heavy Trucks Automotive PTO & Agricultural 24 Hour Rapid Response Truck Down Service Available

Great small local business! Got my car all ready to go and backed up their service. The whole crew…read morewas great.

Please to work with, professional and timely. Will certainly come back if the need arises.read more

I will make Pro Service Auto my go to shop from here forward. They were great to deal with and went…read moreabove and beyond fixing an electrical issue with my 2012 VW CC. When they couldn't figure out the issue with the time I had for my appointment they asked to keep it another day to do more tests. I went in with a flashing brake light warning. But my ABS, traction control, cruise control, steering wheel and air bag light were all on too. They managed to fix everything by doing a thorough diagnostic. On top of that the bill was extremely reasonable. I 100% recommend this business!!!

Jeremy WILL take care of you. I bring all of my supercars here (GTR, Z06, etc.). In a world of…read moreshady mechanics, Jeremy stands out