Engine Archives - Ask Autoparts Africa

September 26, 2026 BY Autoparts Africa

Throttle Controller Replacement

Throttle controller replacement helps restore accurate throttle operation and consistent engine response in vehicles equipped with an electronic throttle control system. The throttle controller works with the accelerator pedal sensor, throttle body, and engine control unit to regulate the amount of air entering the engine according to driver input. When the throttle controller or its associated electronic components develop a fault, the vehicle may experience delayed acceleration, reduced engine power, inconsistent throttle response, difficulty maintaining engine speed, or an illuminated check engine light. During this service, a qualified mechanic inspects the throttle control system, checks electrical connections and wiring, and uses appropriate diagnostic equipment to identify the source of the malfunction. Once the fault is confirmed, the defective throttle controller is replaced with a compatible component that meets the vehicle manufacturer’s specifications.

September 26, 2026 BY Autoparts Africa

IN Engine

Timing Cover Replacement

What is the Timing Cover all about?

The timing cover is an essential component designed to protect the timing belt, timing chain or cam belt of your car from road debris, grime and gravel. The timing belt or chain of your car controls the rotation of the camshafts and crankshaft in the internal combustion engine. As long as they are spinning, the engine’s valves open and close in synchronized movement with each cylinder’s intake and exhaust strokes. Depending on the make of your car, it will have a timing belt, timing chain or cam belt. If your car has a timing belt, the timing cover protects it from road debris that can damage and break its teeth. Without the protection of the timing cover, the belt can skip, slip off the timing gears or even break. In case of engines that include a timing belt the timing cover only protects the timing belt and can be made of plastic, metal or both. In case of cars that have a timing chain, the timing cover secures the front section of the engine block with the help of a timing cover gasket. In this way, the timing gears and chain receive lubrication with the engine oil. If the timing cover gasket breaks, you will notice engine oil leaking. If your car has a timing chain, it will most likely have a metal timing cover.

Keep in mind:

● If the timing belt slips off the pulleys, your engine will be severely damaged.

● Most timing belt covers have timing cover gaskets, which help to protect the belt.

How it's done:

● The vehicle hood is raised and supported

● The defective timing cover is removed and gasket surfaces are cleaned on engine

● The new timing cover is installed and tightened to specifications

● The timing is tested and adjusted as needed and checked for any oil leaks

● The vehicle hood is closed and road tested for proper operation

Our recommendation:

If the timing belt or chain needs to be replaced, have our expert mechanics check the timing cover for damage and replace it if needed. Remember that oil leaks can damage the timing cover gasket, in which case the gasket can no longer protect the timing belt. If that happens, you need to replace the oil seals, timing belt and gasket together.

What common symptoms indicate you may need to replace the Timing Cover?

● Engine oil and/or coolant leaking

● A rasping or grating sound coming from the front of the engine

● Missed timing marks (The crankshafts, and camshafts of the car should be perfectly aligned or timed with the moving pistons of the engine. If there is any misalignment, you will notice a sharp decrease in power when moving up inclines.)

How important is this service?

As part of the regular maintenance schedule, make sure the timing cover is intact and working properly. Debris and grime can not only damage the timing belt of the car, but also damage the engine. Running the car with a damaged timing cover may lead to the timing belt slipping off resulting in severe engine damage.

September 26, 2026 BY Autoparts Africa

IN Engine

Valve Cover Gasket Replacement

Valve cover gasket replacement helps prevent engine oil leaks and maintain a proper seal between the valve cover and the cylinder head. The valve cover gasket keeps engine oil contained within the upper part of the engine, where it lubricates essential components such as the valvetrain. Over time, the gasket can deteriorate due to prolonged exposure to engine heat, age, and normal wear, causing oil to seep around the valve cover. Common warning signs include visible oil leaks around the top of the engine, a burning oil smell, smoke from oil contacting hot engine surfaces, or oil accumulating around the spark plugs on applicable engine designs. During this service, a qualified mechanic inspects the valve cover gasket, cover, and surrounding components to confirm the source of the leak. The old gasket is carefully removed, the sealing surfaces are cleaned, and a compatible replacement gasket is installed according to the vehicle manufacturer’s specifications. The mechanic also checks the valve cover for cracks or warping, inspects relevant seals, and tightens the fasteners to the recommended specifications.

September 26, 2026 BY Autoparts Africa

IN Engine

Valve Cover Replacement

Valve cover replacement helps protect the upper part of your vehicle’s engine by keeping the valvetrain enclosed and preventing dirt, dust, and other contaminants from entering essential engine components. The valve cover sits above the cylinder head and covers components such as the camshaft and valves, depending on the engine design. Over time, the cover may crack, warp, or become damaged due to prolonged exposure to engine heat, vibration, or physical impact. A damaged valve cover can cause engine oil leaks, burning oil smells, or oil accumulation around ignition components on applicable engines. During this service, a qualified mechanic inspects the valve cover, gasket, mounting points, and surrounding engine components to determine whether replacement is necessary. The damaged cover is carefully removed, and the sealing surfaces are cleaned to ensure proper installation.

September 26, 2026 BY Autoparts Africa

IN Engine

Variable Valve Timing (VVT) Solenoid Replacement

Variable Valve Timing (VVT) switch replacement helps restore proper monitoring and control of your vehicle’s variable valve timing system when the switch or sensor responsible for detecting system operation becomes faulty. The VVT system adjusts engine valve timing according to driving conditions to support efficient combustion, smooth performance, and responsive acceleration. Depending on the vehicle design, the VVT switch may provide an electrical signal that helps the engine control unit monitor or regulate the system. When the switch develops a fault, your vehicle may experience rough idling, reduced engine power, poor acceleration, increased fuel consumption, or an illuminated check engine light. During this service, a qualified mechanic uses diagnostic equipment to identify relevant fault codes and inspects the VVT switch, electrical connectors, wiring, and related components to confirm the cause of the problem. The faulty switch is then removed and replaced with a compatible component that meets the vehicle manufacturer’s specifications. The mechanic checks the electrical connections, verifies correct installation, and tests the system to confirm that the appropriate signals are being received.

September 26, 2026 BY Autoparts Africa

IN Engine

Variable Valve Timing (VVT) Switch Replacement

September 26, 2026 BY Autoparts Africa

IN Engine

Vent Oil Separator Replacement

Vent oil separator replacement helps maintain proper crankcase ventilation by separating oil mist from engine gases before they are recirculated or routed through the ventilation system. The vent oil separator helps reduce oil vapour entering the intake system while supporting appropriate crankcase pressure and efficient engine operation. Over time, the separator can become clogged, damaged, or less effective due to oil residue buildup, internal wear, or deteriorating seals. Common warning signs include increased oil consumption, oil leaks around engine seals, excessive oil residue in the intake system, rough idling, or unusual pressure within the crankcase. During this service, a qualified mechanic inspects the vent oil separator, associated hoses, ventilation passages, and seals to determine whether the component requires replacement. The faulty separator is carefully removed, and the surrounding connections are checked for blockages, cracks, or damage. A suitable replacement is then installed according to the vehicle manufacturer’s specifications, ensuring that all hoses, seals, and connections are properly secured. The mechanic checks the ventilation system for leaks and verifies that crankcase ventilation operates correctly after installation.

September 26, 2026 BY Autoparts Africa

IN Engine

Auxiliary Water Pump Replacement

Auxiliary water pump replacement helps maintain proper coolant circulation in vehicles equipped with an additional pump to support the engine cooling system or cabin heating system. The auxiliary water pump moves coolant through designated passages when additional circulation is needed, helping maintain consistent heating performance and appropriate temperature control. When the pump becomes worn, develops an electrical fault, or stops circulating coolant effectively, the vehicle may experience poor cabin heating, inconsistent coolant circulation, warning lights, or coolant leaks around the pump. During this service, a qualified mechanic inspects the auxiliary water pump, electrical connections, coolant hoses, and surrounding components to identify the cause of the problem. The mechanic checks for signs of leakage, unusual pump noise, electrical failure, or restricted coolant flow before confirming that replacement is necessary. The faulty pump is then removed and replaced with a compatible component that meets the vehicle manufacturer’s specifications. The cooling system is refilled with the recommended coolant, and any required bleeding procedure is performed to remove trapped air. After installation, the mechanic tests the pump’s operation, checks coolant circulation, and inspects the system for leaks to ensure reliable performance. Replacing a defective auxiliary water pump helps restore the intended coolant flow, supports effective cabin heating where applicable, and contributes to dependable cooling system operation.

September 26, 2026 BY Autoparts Africa

IN Engine

Water Pump Pulley Replacement

Water pump pulley replacement helps maintain proper coolant circulation by ensuring that the engine-driven water pump receives the rotational force needed to operate effectively. The water pump pulley connects to the engine’s belt drive system and transfers power from the belt to the water pump, allowing coolant to circulate through the engine and radiator. Over time, the pulley may become worn, cracked, bent, corroded, or misaligned, affecting belt movement and water pump operation. Common warning signs include unusual squealing or grinding noises from the engine bay, visible pulley damage, belt misalignment, excessive vibration, or signs of overheating caused by reduced coolant circulation. During this service, a qualified mechanic inspects the water pump pulley, drive belt, tensioner, mounting hardware, and surrounding components to identify the source of the problem. The damaged pulley is carefully removed, and the mounting area is checked for wear or damage before a compatible replacement is installed according to the vehicle manufacturer’s specifications. The mechanic then verifies pulley alignment, checks belt tension where applicable, and confirms that the belt moves smoothly without unusual noise or vibration.

September 26, 2026 BY Autoparts Africa

IN Engine

Water Pump Replacement

Water pump replacement helps maintain proper engine cooling by ensuring that coolant circulates effectively between the engine and radiator. The water pump moves coolant through the cooling system, helping regulate engine temperature and prevent excessive heat buildup during operation. Over time, the pump may develop worn bearings, damaged seals, internal corrosion, or mechanical failure, reducing coolant circulation and increasing the risk of engine overheating. Common warning signs include coolant leaking near the water pump, unusual grinding or whining noises from the engine, rising engine temperature, coolant loss, or visible damage around the pump assembly. During this service, a qualified mechanic inspects the water pump, cooling system, drive belt, hoses, and related components to confirm the source of the problem. The faulty pump is carefully removed, and the mounting surfaces are cleaned before a compatible replacement is installed using the appropriate gasket or seal. Where required, the mechanic also inspects or replaces associated components, such as the drive belt and tensioner, according to the vehicle manufacturer’s recommendations.

Throttle Controller Replacement