Engine Repair, Rebuild & Transmission Services in Billings, MT


The engine and transmission are the two most critical systems in your vehicle. When either one develops a problem, you need a shop with the experience, equipment, and expertise to diagnose it accurately and fix it right the first time. Auto Tech Specialists in Billings, MT, has been providing top-tier engine and transmission services for decades. Our skilled technicians handle everything from minor repairs to complete rebuilds and replacements.
Call us today at (406) 839-9100 to talk about your vehicle's needs.
Engine Repair Services
Engine problems can range from minor issues like a faulty sensor or failed gasket to serious internal damage requiring major surgery. Whatever the extent of your engine trouble, Auto Tech Specialists has the diagnostic capability and mechanical expertise to address it. We service all makes and models, both gasoline and diesel, and our technicians stay current on the latest engine technologies. Common engine repairs we perform include head gasket replacement, timing chain and timing belt service, oil leaks, coolant system failures, and sensor and emissions component replacement.

Recognizing Engine Problems Early
Catching engine problems early can save you thousands of dollars. Warning signs include unusual engine noises (knocking, ticking, or rattling), excessive oil consumption, blue or white smoke from the exhaust, overheating, or a persistent check engine light. If you notice any of these symptoms, bring your vehicle to Auto Tech Specialists in Billings, MT, as soon as possible.
Engine Rebuild vs. Engine Replacement
When an engine suffers significant internal damage, you have two main options: a rebuild or a replacement. An engine rebuild involves disassembling the engine, inspecting all components, machining worn parts, and reassembling with new seals, bearings, rings, and gaskets. This can restore an engine to like-new condition and is often the most cost-effective solution when the engine block is in good shape. Engine replacement, on the other hand, involves installing a remanufactured or used engine. Our technicians will evaluate your specific situation and provide an honest recommendation based on what makes the most sense for your vehicle and your budget.


Transmission Repair & Rebuild
A slipping, shuddering, or unresponsive transmission is a serious problem that should not be ignored. Auto Tech Specialists provides complete transmission diagnostics, repair, and rebuild services for both automatic and manual transmissions. We identify the root cause of the problem, whether it is a worn clutch pack, a failed solenoid, a damaged valve body, or internal mechanical failure, and provide a repair solution designed to last. Rebuilding a transmission in-house allows us to control quality at every step and use premium parts.
Drivetrain Services
Beyond the engine and transmission, the drivetrain includes components like the driveshaft, U-joints, CV axles, and differential. These parts work together to transfer power from your engine to your wheels. Worn or failed drivetrain components can cause vibration, noise, and handling problems. An ASE Certified Mechanic at Auto Tech Specialists in Billings, MT, inspects and services all drivetrain components to ensure smooth, efficient power delivery and safe vehicle operation.


Why Choose Auto Tech Specialists for Engine & Transmission Work?
Engine and transmission work requires a level of expertise that not every shop can deliver. At Auto Tech Specialists, we bring over 28 years of hands-on mechanical experience to every job. We are honest with our customers, thorough in our diagnostics, and committed to delivering repairs that stand the test of time. If your vehicle has engine or transmission problems in Billings, MT, or the surrounding area.
Call Auto Tech Specialists at (406) 839-9100. Let us put our experience to work for you.





