This is a Holset HX40 turbocharger designed to boost performance for Volvo D7 Euro 3 engines. It increases airflow into the combustion chamber, resulting in more power and improved fuel efficiency. A failing turbocharger will exhibit reduced engine power, excessive smoke, and unusual noises.
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 failing turbocharger may first present as a noticeable loss of engine power, especially under load, and a distinct whistling or grinding noise from the engine bay. Continued operation can lead to increased exhaust smoke and potential internal damage to the turbocharger and engine.
Always prime the new turbocharger with clean engine oil before installation to ensure immediate lubrication upon startup. Do not reuse old oil feed or drain lines; replace them to prevent contamination.
Inspect the engine's air filter, exhaust system for leaks, and oil supply lines for blockages or damage when replacing the turbocharger.