This HX55W turbocharger is designed to enhance the performance of Volvo MD13 truck engines by increasing air intake for improved combustion. It is engineered for high-stress environments, providing reliable boost pressure and durability, unlike a worn unit with a damaged bearing or bent impeller. Operators may notice a loss of engine power, increased fuel consumption, or audible whistling or grinding noises from the engine when this turbocharger is failing.
Always verify with serial number before ordering.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
A noticeable decrease in engine power, especially under load, and increased exhaust smoke are primary indicators of a failing turbocharger. Continued operation can lead to the turbocharger seizing, potentially causing significant engine damage and costly repairs.
Ensure the oil feed and return lines are completely free of debris and properly sealed before connecting them to the new turbocharger. Do not use any sealant on the oil line fittings unless specified by the manufacturer.
Inspect the engine's intercooler, charge air cooler pipes, and exhaust system for leaks or restrictions when installing a new turbocharger.