Your Truck Is Our Concern

Diesel Specialist on Site

Diesel Specialist on Site

Diesel Specialist on Site

We have Certified Mechanics who specialize in diesel repairs & service.  We are one of the few repair facilities in Lapeer County who work on all light duty diesel trucks.  

Diesel Services

Diesel Specialist on Site

Diesel Specialist on Site

We do all minor & major engine and transmission diesel repairs. Turbos, Injectors, Glow Plugs, & more!

Diesel Maintenance

Diesel Specialist on Site

We Use Premium Parts

Faithful Auto can do all maintenance to help keep your diesel truck running smoothly in the cold and warm weather.

We Use Premium Parts

Trusted. Professional. Diesel.

We Use Premium Parts

Only the best and most reliable diesel parts for our customers.  We are a CERTIFIED BOSCH DIESEL DIAGNOSTIC CENTER! 

Fantastic Warranty

Trusted. Professional. Diesel.

Trusted. Professional. Diesel.

Faithful Auto, in North Branch, has a 36/36 NATIONWIDE WARRANTY.  We are a TechNet facility-and stand behind ALL of our diesel repairs!

Trusted. Professional. Diesel.

Trusted. Professional. Diesel.

Trusted. Professional. Diesel.

IF IT RUNS ON DIESEL....

WE'LL FIX IT!

Informational & Funny Videos

  • Learn about our amazing Digital Inspection we can send right to your smart phones with tech notes and pictures!
  • Learn how a simple thing can save you hundreds of dollars
  • Learn how we can save you money with our Pro-Cut Lathe
  • See how Jesica makes car noises at the front counter....Funny!