Engines are the heart of your vehicle. Ignoring engine problems can lead to costly breakdowns or total engine failure. Our team uses advanced diagnostic tools and proven repair techniques to restore your engine’s performance, reliability, and efficiency.
When your vehicle’s engine is showing signs of trouble, trust Gauteng AutoClinic for professional engine repairs and rebuilds in Gauteng. Our experienced mechanics specialize in diagnosing, repairing, and rebuilding engines for all makes and models, whether petrol or diesel.
Comprehensive engine health checks
Computer diagnostics for error codes and sensor faults
Compression and leak-down testing to assess engine condition
Fixing oil leaks, gasket replacements, and seal repairs
Repairing or replacing worn camshafts, crankshafts, pistons, and valves
Cylinder head repairs including valve seats, guides, and surface machining
Timing belt and chain replacement and adjustments
Repairing overheating issues related to cooling system faults
Complete engine strip-down, cleaning, and inspection
Replacement of all worn or damaged internal components (pistons, rings, bearings, conrods)
Re-machining cylinder blocks and heads to factory specifications
Installation of new gaskets, seals, and timing components
Testing and tuning rebuilt engines for optimal performance
At Gauteng AutoClinic, we proudly service and repair all major vehicle brands commonly found on South African roads. Whether you drive a compact city car, a luxury SUV, a family sedan, or a rugged bakkie, our certified mechanics are fully equipped to handle it. We specialize in both petrol and diesel vehicles, offering expert diagnostics, servicing, engine repairs, gearbox work, aircon servicing, and more.
We use quality parts and brand-specific service procedures to ensure every vehicle is treated with care and precision.
We handle everything from Ford Ranger clutch repairs to Everest diagnostics and EcoSport services.
We service all VW models including Polo, Golf, Amarok, Tiguan, and more. Whether it’s a minor service or gearbox fault, we’ve got you covered.
From the reliable Hilux and Corolla to the Fortuner and Quantum, we provide expert Toyota diagnostics, engine work, gearbox repairs, and routine servicing.
Our technicians are trained to work on BMW 1 Series, 3 Series, X Series and more, ensuring performance and reliability with every visit
We provide diagnostics, servicing, and repairs for C-Class, E-Class, Sprinter, Vito, and other models.
From the light-duty NP200 to the powerful Navara, we offer brake, engine, clutch, and electrical repairs for all Nissan models.
We repair and service popular Hyundai models like i10, i20, Creta, Tucson, and H100.
From Isuzu KB/D-Max bakkies to Mazda BT-50s, we provide comprehensive mechanical work and servicing.
Our workshop handles full repairs and services on Kia Picanto, Rio, Sportage, and Sorento.
Models like the Chev Utility, Aveo, Corsa, and Astra are welcome at our workshop for engine, electrical, and suspension issues.
Excessive smoke (blue, white, or black) from the exhaust
Loss of power or rough idling
Knocking or tapping noises from the engine bay
Engine overheating or frequent overheating warnings
Oil consumption or visible leaks
Check engine light stays on despite basic servicing
Poor fuel economy or stalling issues
"Best mechanic in Gauteng by far! I brought my car in for a major service and they were extremely thorough—from the diagnostics to checking every fluid and filter. The car feels brand new again. Great value and honest advice!"
"I had a serious issue with my gearbox and thought it would cost a fortune. Gauteng AutoClinic not only fixed it quickly but also explained everything clearly. Highly recommended for anyone looking for affordable car repairs in Johannesburg!"
"My car started overheating and I was stranded. These guys came through the same day, diagnosed the problem, and replaced the radiator and water pump on-site. Truly professional and dependable service across Gauteng."
Engine rebuilding involves disassembling the engine, inspecting, cleaning, and replacing worn or damaged parts to restore it to optimal working condition.
Signs include excessive smoke, knocking noises, loss of power, oil leaks, overheating, or poor fuel economy.
Common causes include lack of maintenance, overheating, oil starvation, worn piston rings, faulty valves, and timing belt failure.
Most engines can be rebuilt if the block and head aren’t severely damaged or cracked.
Engine repair fixes specific issues, while rebuilding involves a complete overhaul of the engine components.
Typically between 3 to 7 days, depending on the vehicle and extent of damage.
Yes, especially for older vehicles or when compared to the cost of a replacement engine.
We use OEM-quality or genuine parts to ensure durability and performance.
Yes, rebuilding restores compression and timing, improving fuel economy and power.
Costs vary widely based on engine type, damage level, and parts needed. We provide detailed quotes before starting work.
Yes, if overheating is caused by worn components like the head gasket or coolant leaks, rebuilding can resolve this.
Yes, we offer warranties on parts and workmanship for peace of mind.
White smoke, coolant loss, overheating, and milky oil are common symptoms.
Regular servicing every 10,000–15,000 km helps prevent major engine damage.
Yes, we specialize in both petrol and diesel engine rebuilds.
Yes, a properly rebuilt engine can last as long as a new engine with regular maintenance.
A test to measure cylinder pressure, indicating engine health and sealing integrity.
Pistons and rings create compression and prevent oil leakage; worn parts cause poor performance.
We inspect for wear, scoring, or damage during rebuild; replacement is recommended if parts are faulty.
Yes, a broken timing belt can cause severe engine damage including bent valves.
Adjusting engine settings for optimal performance, fuel efficiency, and emissions control.
Yes, cleaning removes carbon deposits and sludge buildup before reassembly.
Yes, but avoid driving if you notice serious symptoms until repaired.
Through visual inspection, diagnostic tools, compression and leak-down tests.
A test that detects leaks in the combustion chamber to find damaged valves, rings, or gaskets.
Critical; poor cooling causes overheating and engine damage.
Yes, by replacing worn piston rings and seals that cause oil burning.
With proper maintenance, 150,000 to 250,000 km or more.
Yes, we service all makes and models, including local and imported vehicles.
As soon as symptoms appear to avoid further damage and costly repairs.
Gauteng AutoClinic is your trusted local auto workshop, offering professional car repairs, vehicle servicing, and diagnostics across all areas of Gauteng. Our certified mechanics specialize in both petrol and diesel vehicles, handling everything from engine rebuilds to gearbox repairs, brake servicing, suspension repairs, and more—for all makes and models.
