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Shenyang Adatec Auto Parts Co.,Ltd

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How to install a new Turbo?（1）

Home How to install a new Turbo?（1）

How to install a new Turbo?（1）

TURBO Installation Instructions: General

Step 1: Before Replacing A Turbo


It is important to conduct a thorough diagnostic check of the engine system to determine if the “fault” is actually the turbocharger.
A lack of power, noisy operation, excessive smoke or oil consumption could result from a faulty fuel injection system, ECU or electrical problems, restricted or blocked air filter, a damaged exhaust system or a lubrication problem. If possible, check crankcase pressure according to the engine manufacturer’s specification. A higher than normal crankcase pressure reading may lead to oil leakage from the turbo into the inlet and exhaust systems.

Step 2: Before Replacing A Turbo

If the engine diagnostic check does not uncover any obvious cause,

make sure that an extensive trouble shooting analysis is completed. Key turbocharger areas for examination include foreign objects, lack of lubrication, oil contamination, over-speeding of the turbo and excessive temperature. This is important because turbo damage can often be a symptom of an underlying problem rather than the cause itself. Our website has more detailed information on this subject – please click here to learn more.

The following steps must be strictly followed.

Always consult the workshop manual for instructions which are specific to your engine or vehicle.



Step 3: Turbo Installation


Check the part number to ensure that it is the right one for the engine.
Installing the incorrect turbo to an engine may damage the turbo and/or the engine and will void the warranty.

Step 4: Turbo Installation




It is important that during the whole installation process, you prevent dirt or debris from entering any part of the turbo.
Any dirt or debris entering the turbo may cause catastrophic damage due to the very high speed of operation (up to 300,000rpm).
Step 5: Turbo Installation
Ensure that correct gaskets are used.
For example - the center hole of any gasket must be perfectly aligned with the center hole of the turbo flange. Some turbos use a threaded connector and no gasket. Some turbos use a “banjo fitting” with “banjo bolt”; in these cases, use new sealing gaskets/washers.
Important Note: Do not use liquid gasket or sealants, particularly for the oil inlet or outlet since excessive material may enter the turbo, reducing or stopping oil flow.

Step 6: Turbo Installation




It is recommended that you use new air, oil and fuel filters and clean engine oil to the engine or vehicle maker’s specification.

When installing the new oil filter, if possible, fill it with clean, fresh engine oil. Also, if it is accessible, back-fill the pressure line from the oil pump to the filter. This is particularly important on high mileage engines, where the oil pressure line may empty during oil changes!


Step 7: Turbo Installation



Before installing the turbo, ensure that all air hoses connected to the turbo are totally clean and show no sign of any damage.

Step 8: Turbo Installation


The air filter and its housing must be completely clean and free from any debris.

Step 9: Turbo Installation


Clean the engine breather system (Positive Crankcase Ventilation system) and ensure that it functions properly.
Any blockages or malfunction may cause high crankcase pressure and lead to oil leakage from the turbo into the inlet and exhaust systems.

Step 10: Turbo Installation

Remove any old gasket material from the exhaust manifold and pipe.

The surfaces of the flange must be clean and have no damage. Then remove plastic or foam blanking plugs from the turbo.