Service & Maintenance

TDi Services is proud to expand our offerings to include expert generator service, maintenance, and electrical solutions for homeowners and businesses across Tyler, Longview, and surrounding East Texas communities.

With the unpredictable Texas weather, from severe summer storms to unexpected winter freezes, your standby generator is your most critical defense against power outages. Don't wait until the next power grid event to discover your system isn't ready. Trust the certified professionals at TDi Services to keep your Generac, Kohler, Cummins, or other leading brand generator operating at peak performance year-round.

Why Choose TDi Services for Generator Maintenance in East Texas?

Regular preventative maintenance is the only way to ensure your whole house generator activates instantly and runs reliably when you need it most. Our local, factory-trained technicians provide thorough, comprehensive generator service designed for the unique climate and usage demands of the Tyler and Longview areas.

Key Benefits of a TDi Generator Maintenance Plan:

Protect Your Investment & Warranty

Manufacturers require scheduled maintenance. Our service plans ensure you meet these guidelines to keep your valuable warranty valid.

Prevent Costly Repairs

Routine tune-ups catch minor issues like frayed belts or low coolant before they lead to expensive component failures or emergency repairs.

Priority Service & Scheduling

As a TDi Maintenance Plan customer, you receive priority scheduling and faster response times for generator repairs, especially during widespread power outages when other companies have long waitlists.

Maximum Reliability

We ensure your generator is always Ready for the Storm, giving you peace of mind that your home and family will remain safe, comfortable, and powered up.

Extend Lifespan

Like a car engine, a well-maintained generator will last years longer, providing a better return on your initial investment.

• Engine & Fluids Oil and Oil Filter Change: Replace old oil and filter with new, manufacturer-approved components. Essential for engine health and preventing overheating and wear.
• Air Filter Replacement/Inspection: Check and replace the air filter as needed. Ensures clean airflow for maximum efficiency and engine performance.
• Spark Plugs & Ignition Check: Inspect, clean, and replace spark plugs if corroded or worn. Guarantees reliable, instant engine startup.
• Cooling System Check: Inspect coolant level, hoses, and belts for leaks, cracks, or tension issues. Prevents engine overheating during long run times.
• Fuel System Gas/Propane Inspection: Check fuel lines, fittings, and regulator pressure for leaks or corrosion. Ensures a consistent and safe fuel supply to the engine.
• Electrical & Battery Battery Load Test: Test the starting battery's voltage and charge level. Confirms the battery has enough power to start the generator on demand.
• Battery Terminal Cleaning: Clean battery terminals and apply an anti-corrosion coating. Maintains a strong, reliable connection to the starting system.
• Electrical Connections: Inspect all wiring and connections for tightness and corrosion. Prevents electrical shorts and ensures safe power transfer.
• Operational & Transfer Generator Exercise/Load Test: Run the generator under load for a minimum of 30 minutes. Simulates an outage to verify the engine and alternator can handle your home’s power needs.
• Automatic Transfer Switch (ATS) Test: Verify the ATS properly senses power loss and switches the home to generator power. Critical check to ensure seamless, automatic operation.
• General Inspection Visual & Debris Clearance: Inspect the unit for rust, leaks, or damage, and clear all debris from the enclosure and air vents. Maintains proper ventilation and prolongs the life of the enclosure.

Don't wait for a yellow light or a complete failure during an emergency. Whether you have a Generac standby generator in Tyler, a Kohler whole-house system in Longview, or any other make and model, TDi Services has the electrical and engine expertise to provide the professional care your unit requires.

Contact TDi Services today to enroll in a Generator Maintenance Plan and secure your peace of mind.