Head Gasket Replacement
Fix overheating and coolant leaks with a professional head gasket replacement. We ensure cylinder heads are flat and sealed perfectly to restore engine compression and cooling. By appointment only to provide your major engine repair our full expert attention. Call to schedule.
At Apex Automotive in Gilbert, AZ, our head gasket replacement service is a specialized offering backed by decades of engine rebuilding experience from David Sr. and David Jr. The head gasket is a critical engine component that seals the cylinder head to the engine block, maintaining compression and preventing coolant and oil from mixing. In Arizona’s harsh desert climate, extreme heat places additional thermal stress on your engine, increasing the likelihood of head gasket failure. Common failure modes include warping or cracking of the cylinder head due to overheating, leading to coolant leaks, loss of compression, and engine misfires. Vehicles equipped with GM’s 5.3L or 6.2L V8 engines are particularly prone to lifter failures that can contribute to head gasket issues. Our diagnostic-first approach begins with a thorough consultation with David Jr., who reviews your vehicle’s history and symptoms. We perform a comprehensive OBD-II scan, live data stream analysis, and pressure tests to confirm a head gasket failure rather than guessing based on symptoms alone. This ensures we avoid unnecessary part replacements. Once diagnosed, we disassemble the engine carefully, measuring cylinder head flatness using precision tools to detect warping. We coordinate with trusted local machine shops to resurface heads to factory torque specifications, ensuring a perfect seal upon reassembly. We install high-quality OEM or equivalent gaskets and use exact torque sequences and specifications to reassemble the engine. After repair, we conduct extensive testing under load to verify the fix and confirm no leaks or compression loss remain. Our by-appointment-only policy means your vehicle receives dedicated attention, not rushed assembly-line treatment. This precision and care extend your engine’s life, restore power, and prevent costly future repairs. Trust David Jr., your personal mechanic, to explain why your head gasket failed in the Arizona desert conditions and to provide honest, expert service that protects your investment.