The Best Repair Is the One You Never Need
Most major vehicle repairs do not happen without warning. They develop over time, often starting as small issues that routine maintenance would have caught long before they became expensive problems. Preventative maintenance is not just about following a schedule; it is about protecting your investment, extending the life of your vehicle, and keeping you and your family safe on the road.
Serving New Braunfels since 1976, our family-owned shop at Clark’s Auto Service offers a comprehensive range of preventative maintenance services including BG product fluid services, transmission flushes, coolant flushes, and all K services covering 30K, 60K, and 90K milestones. We follow manufacturer specifications on every service to ensure your vehicle stays in peak condition, mile after mile.
What Skipping Maintenance Costs You
Deferred maintenance almost always costs more in the long run. Dirty transmission fluid accelerates internal wear. A neglected cooling system develops corrosion that damages your radiator and water pump. Every service interval exists for a reason, and staying on schedule means fewer surprises and a longer service life for every component in your vehicle.
Warning Signs Your Vehicle Is Overdue for Maintenance
Rough Idle or Hesitation During Acceleration
Spark plugs, fuel injectors, or air filters that are past their service life affect how your engine fires. A stumble at idle or hesitation under acceleration is often the first sign.
Transmission Slipping or Sluggish
Shifting Fluid that has never been changed loses its ability to protect internal components. Slipping, delayed engagement, or rough shifting are signs a transmission flush is overdue.
Engine Running Hotter Than Usual
A neglected cooling system develops corrosion and scale that reduces coolant flow. If your temperature gauge is creeping higher than normal, a coolant flush may be what your vehicle needs.
Decreased Fuel Economy
Dirty air filters, worn spark plugs, or clogged injectors can all reduce efficiency. If you are filling up more often without a change in driving habits, maintenance items are worth checking first.
Unusual Noises From the Engine or Drivetrain
Squealing belts, whining differentials, or drivetrain clunks often point to components that are dry or worn. Catching these early is the difference between a simple service and a major repair.
You Are Not Sure What Was Last Done
If you have lost track of your maintenance history or recently bought a used vehicle, a comprehensive inspection is the best place to start.
Common Services at Each Maintenance Interval
5,000 Miles
Oil and filter change, tire rotation, and fluid top-off.
15,000 Miles
Everything at 5K, plus air filter check, brake inspection, and multi-point vehicle inspection.
30,000 Miles
Everything at 15K, plus cabin filter replacement, fuel system inspection, and fluid condition check.
60,000 Miles
Everything at 30K, plus spark plug replacement, transmission fluid flush, coolant flush, and belt and hose inspection.
90,000 Miles
Everything at 60K, plus full fluid exchange, timing belt inspection or replacement, ignition system check, and comprehensive suspension and steering inspection.
Preventative Maintenance Services We Offer at Clark's Auto Service
30K, 60K, and 90K Milestone Services
Complete manufacturer-recommended service packages at each major mileage milestone to keep your vehicle running at its best.
BG Product Fluid Services
Professional-grade BG fluid treatments for engine, transmission, cooling, fuel, and brake systems to clean, protect, and extend component life.
Transmission Flush and Fluid Replacement
Complete transmission fluid exchange to remove degraded fluid and protect internal transmission components from accelerated wear.
Coolant Flush and Replacement
Removing old, contaminated coolant and replacing it with fresh fluid to prevent corrosion and maintain proper engine operating temperature.
Spark Plug Inspection and Replacement
Checking and replacing worn spark plugs to restore proper combustion efficiency, fuel economy, and engine performance.
Air and Cabin Filter Replacement
Replacing dirty engine air filters and cabin air filters to maintain proper airflow and air quality inside your vehicle.
Belt and Hose Inspection and Replacement
Inspecting drive belts and hoses for wear, cracking, or softness and replacing them before they fail and leave you stranded.
Fuel System Service
Cleaning fuel injectors and intake components to restore proper fuel delivery and combustion efficiency across all driving conditions.
Nationwide 2 years / 24,000 miles Select repairs: 3 years / 36,000 miles
What Makes Clark's Auto Service the Right Partner for Vehicle Maintenance
We Follow the Manufacturer Schedule, Not a Generic One
Every service is performed to your specific vehicle's recommended intervals, not a one-size-fits-all approach.
BG Products for Every Fluid Service
We use professional-grade BG fluid treatments for engine, transmission, cooling, fuel, and brake systems to clean and protect beyond what a standard fluid change provides.
From 5K to 90K and Everything Between
We handle all milestone services and routine maintenance so you never have to wonder if your vehicle is on track.
Nearly 50 Years of Maintenance Experience
ASE Master-certified and Honda and Subaru Master Techs have been keeping New Braunfels vehicles running reliably since 1976.
Maintenance Backed by a Warranty
Most services covered 2 years/24,000 miles, select services up to 3 years/36,000 miles through TechNet.
Scheduling That Works for You
Waiting room, shuttle service, and early bird/night drop box make staying on top of maintenance easier.
Frequently Asked Questions About Preventative Maintenance
What is included in a 30K, 60K, or 90K service?
How often should transmission fluid be changed?
What are BG products and why are they used?
How do I know which maintenance services my vehicle needs?
Schedule Your Preventative Maintenance in New Braunfels, TX Today!
Visit us at 2951 Interstate 35 S, New Braunfels, TX 78130
Call us at 830-625-1172
Schedule your preventative maintenance service today.
