ZOR rebuild turbochargers



A data plate is fitted to the compressor housing of your turbochargers. The information on this data plate must be quoted for service and parts support.







A Assembly or Part Number

Part/Assembly Number for the turbocharger is the number the most useful number for service purposes.


B Serial Number

Serial Number is unique to your turbocharger. This number can be used to identify which turbocharger you have although it will be a longer process than if quoting (A).


C Customer Part Number

Custumer Part Number is the number given to the turbocharger by the engine manyfactures. This number will be quoted in all the engine manufacturers literature. There may be more than one Customer Part Number for each turbochargers (A).


D Turbocharger Type

Turbocharger Type describes the model or frame size of your turbocharger.



1.  Always understand why the original turbocharger needs replacing, determine the cause of any failure and rectify it before fitting a replacement unit.


2.  Each turbocharger is designed to match a specific engine and is given a part number and individual serial number. Please ensure the part number shown on your turbocharger dataplate is the correct number for your engine. This is shown in the engine manufacturer's specification listings. The warranty will be invalid if the turbocharger is fitted to the wrong engine.


3.  Check that the engine intake/exhaust and aftercooler systems are clean and without obstruction (free from oil, gasket pieces, dust, dirt, carbon or other debris). Replace air filter if necessary, using only OEM recommended parts (Image 1).








4.  Check that the oil inlet and oil drain flanges are clean and free from obstruction, internal carbon and sludge (removing to clean if necessary). If in doubt, replace with new


5.  Replace the oil and filter, ensuring that only OEM recommended parts and specified oil are used (Image 2).














6.  Check that the exhaust mounting flange and studs are in good condition (free from cracks and debris). If in doubt, replace with new (Image 3).












7.  Mount the turbocharger on the exhaust flange and check that the turbine inlet gasket fits correctly to give a gas tight seal.


8.  The orientation of the end housings may need changing in order to align correctly with all other connections. If so, ensure all fastenings are tightened to the specified torque (see accompanying data) when the correct attitude is set.


9.  Connect the oil drain pipe then fill the turbocharger oil feed hole with clean engine oil and slowly rotate the rotor by hand (Image 4).












10. Connect all external fittings to the turbocharger. Pull out the fuel stop and crank engine to develop oil pressure.


11. Start the engine and idle checking that all air, gas and oil connections are tight and free from leakage. If necessary tighten any fastenings as appropriate, using soapy water to help detect gas leaks (Image 5).


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222 J Admiral Byrd drive, Winchester, VA 22602  Tel: 540 665 1745

E-mail: sales@zorturbo.com

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