Electrical problems are one of the most common issues affecting VY and VZ Commodores. As these vehicles age, wiring, sensors, modules, and charging system components begin to fail due to heat, vibration, and general wear. These faults can cause a wide range of symptoms, from minor inconveniences like warning lights to major issues such as […]
The Body Control Module (BCM) is one of the most important electronic components in VY and VZ Commodores. It acts as the central controller for many body-related electrical functions, including central locking, interior lighting, immobiliser systems, wipers, indicators, and communication between various modules. When the BCM begins to fail, it can cause a wide range […]
The Body Control Module (BCM) is one of the most important electronic components in VY and VZ Commodores. It acts as the central controller for many body-related electrical functions, including central locking, interior lighting, immobiliser systems, wipers, indicators, and communication between various modules. When the BCM begins to fail, it can cause a wide range […]
Fuel pump issues are a common cause of no-start and drivability problems in VY and VZ Commodores. As these vehicles age, the in-tank fuel pump, wiring, and fuel pressure systems begin to wear out, leading to poor performance, hard starting, or complete engine failure to start. Because the fuel pump is essential for delivering consistent […]
Starting problems are a common issue affecting VY and VZ Commodores. These vehicles use a combination of mechanical, electrical, fuel, and security systems to start the engine, meaning that even a small fault in one area can prevent the vehicle from starting. Because of this complexity, starting issues can be difficult to diagnose and are […]
Poor fuel economy is a common complaint among VY Commodore owners, especially as these vehicles age and accumulate high kilometres. While the VY was reasonably efficient for its time, real-world fuel consumption can increase significantly due to mechanical wear, sensor issues, driving conditions, and maintenance problems. This guide explains the most common causes of poor […]
Timing chain replacement is one of the most significant maintenance costs associated with VZ Commodores, particularly those fitted with the Alloytec V6 engine. Over time, timing chains, guides, and tensioners wear out, leading to rattling noises, poor performance, and engine fault codes. Because the timing chain is located inside the engine and requires extensive disassembly […]
The automatic transmission in VY and VZ Commodores is generally reliable when properly maintained, but like all hydraulic systems, it is highly dependent on clean fluid, correct servicing intervals, and healthy internal components. Neglecting transmission servicing is one of the leading causes of harsh shifting, slipping gears, and premature transmission failure in these vehicles. Regular […]
Battery drain is a common and frustrating issue in VZ Commodores. Many owners experience flat batteries overnight, slow cranking, or complete no-start conditions even when the battery itself is relatively new. Because the VZ uses multiple electronic control modules and always-on systems, even small electrical faults can cause significant parasitic drain. What Is Battery Drain? […]
Servicing the automatic transmission in a VE Commodore is one of the most important maintenance tasks for ensuring long-term reliability and smooth shifting. The VE Commodore uses electronically controlled automatic transmissions that rely heavily on clean, high-quality fluid to operate correctly. Neglecting transmission servicing can lead to harsh shifting, slipping gears, torque converter shudder, and […]