The Great Wrench Difference

We take pride in delivering high quality service to all of our customers. Talk to anyone who has brought their vehicle here — our service at Greatwrench Auto Repair in Lonsdale speaks for itself.

Greatwrench Auto Repair is owned and operated by Jake and Wendy Sirek. We were born and raised in Lonsdale and have raised four children in the community we grew up in. We are a family business deeply rooted in the community and in the lives of the customers that we serve with quality auto repair.

Jake has worked at Greatwrench Auto Repair for over ten years. He is committed to creating lifetime customers who come back again and again. 

We are DOT certified and take WEX and Voyager Fleet Cards. 


Greatwrench Auto Repair is committed to taking comprehensive care of your car. We live and work in your community and we take pride in satisfying your needs. This is why we say we are “Specializing in Bumper to Bumper Auto Care Needs”. We also like to say “Satisfaction Guaranteed!” and “Your satisfaction is our top priority.”

We are committed to providing HIGH quality and affordable automotive services, from simple maintenance to major mechanical repairs.

What they say about us