The Heart of Your Vehicle Deserves Expert Care
Your engine is the most critical component in your vehicle, and when something goes wrong, the effects ripple through everything else. Some engine problems start small and affordable to fix. Others develop quietly until they become something far more serious. The difference between a repair and a full replacement often comes down to how quickly the problem was caught.
The team at Clark’s Auto Service has been diagnosing and repairing engines on domestic, European, Asian, and hybrid vehicles since 1976. Our technicians use factory scanners for Ford, Chevy, Honda, and Toyota, along with Snap-on, Autel, and an Opus scan tool for European vehicles, to get accurate data before any work begins.
Catching Engine Problems Before They Catch You
An engine that is starting to fail rarely gives up all at once. It sends signals, some obvious and some subtle, that something is not right. A slight loss of power, a small oil leak, or an occasional rough idle can all be early indicators of a developing problem that will only get worse with time.
Ignoring those early warning signs is one of the most expensive mistakes a vehicle owner can make. A minor oil leak can lead to oil starvation and catastrophic engine damage. An overheating event that seems to resolve itself can leave behind a blown head gasket. Regular inspections and prompt attention to warning signs are the most effective ways to protect your engine.
Engine Symptoms That Should Not Wait
Check Engine Light That Keeps Coming Back
A check engine light that returns after being cleared is your engine's way of telling you there is an unresolved fault. Our factory-level diagnostic tools identify exactly which system is triggering the light and why, so the right repair can be made.
Oil Consumption Between Services
If you are adding oil between scheduled changes without an obvious leak, your engine may be burning oil internally. This is often a sign of worn piston rings, valve seals, or other internal components that need attention before further damage occurs.
White, Blue, or Black Exhaust Smoke
The color of your exhaust smoke tells a story. White smoke often indicates coolant entering the combustion chamber, blue smoke points to burning oil, and black smoke suggests a fuel mixture problem. Each requires a different diagnostic and repair approach.
Engine Knocking or Ticking Sounds
A knocking sound from the engine is one of the most serious warning signs a driver can hear. It often indicates low oil pressure, worn rod bearings, or other internal damage that needs immediate attention to prevent complete engine failure.
Overheating That Happens More Than Once
A single overheating event can cause significant internal damage. If your vehicle is overheating repeatedly, a deeper engine issue, such as a failing water pump, a blown head gasket, or a cracked cylinder head, is likely responsible.
Significant Loss of Power or Performance
An engine that struggles to accelerate, hesitates under load, or simply does not perform the way it used to may be dealing with compression loss, fuel delivery problems, or a failing internal component that is robbing it of efficiency.
Engine Services Performed at Clark's Auto Service
Engine Diagnostic Scan and Inspection
Comprehensive scanning and physical inspection to accurately identify the source of engine faults before any repair begins.
Head Gasket Repair and Replacement
Diagnosing and replacing failed head gaskets that are allowing coolant or oil to enter the combustion chamber.
Timing Belt and Chain Service
Inspection and replacement of timing belts and chains to prevent catastrophic engine damage from timing system failure.
Oil Leak Diagnosis and Repair
Tracing and repairing engine oil leaks at the source, from valve cover gaskets to rear main seals, before they lead to bigger problems.
Engine Top End Repair
Addressing valve train issues, cylinder head repairs, and other upper engine components affecting performance and compression.
Engine Replacement
Full engine replacement using quality parts when repair is no longer a viable option, performed to manufacturer specifications with warranty coverage.
Post-Repair Engine Calibration
Using factory scanners to recalibrate engine management systems after major repairs, ensuring everything communicates correctly before the vehicle leaves our shop.
Nationwide 2 years / 24,000 miles Select repairs: 3 years / 36,000 miles
Why New Braunfels Trusts Clark's Auto Service With Their Engine
Engine Work Requires Real Expertise
ASE Master-certified and Honda and Subaru Master Techs have been diagnosing and repairing engines on all makes since 1976. This is not guesswork.
We Find the Problem Before We Fix It
Factory scanners for Ford, Chevy, Honda, and Toyota, plus Snap-on, Autel, and the Opus scan tool ensure we know exactly what we are dealing with before any work begins.
Repair or Replace, We Give You the Facts
We walk you through your options honestly, including what makes financial sense for your specific vehicle.
Built to Last With Warranty Coverage
Every engine repair and replacement is performed to manufacturer specifications and backed by our nationwide TechNet warranty.
Warranty on Parts and Labor
Most repairs covered 2 years/24,000 miles, select services up to 3 years/36,000 miles through TechNet.
We Make It Convenient
Waiting room, shuttle service, and early bird/night drop box available during your engine repair or replacement.
Frequently Asked Questions About Engine Repair & Replacement
How do I know if my engine needs repair or full replacement?
How long does an engine replacement take?
Can low oil cause permanent engine damage?
What does it mean when my engine is knocking?
Schedule Your Engine Repair & Replacement in New Braunfels, TX Today!
Visit Clark’s Auto Service at 2951 Interstate 35 S, New Braunfels, TX 78130
Call us at 830-625-1172
Schedule your engine inspection today.
