Ihi Turbo Repair Manual



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How To Identify Your Turbocharger

Ihi Manual View and Download IHI 9NX service manual online. HYDRAULIC MINI excavator. 9NX excavators pdf manual download. Excavators IHI Service Repair Workshop Manuals IHI TURBO COMPRESSORS 40023-0-1000,GR Printed in Japan 7-12, Shinonome 1-chome, Koto-ku, Tokyo 135-0062 Japan. We offer the widest range of OEM and After Market Turbochargers and related products for brands such as Garrett, Borg Warner, Mitsubishi, IHI Turbo, Holset, AEM Electronics, Mahle Motorsport, Simpson Race products, ACE Clutches, ARP Fasteners, NOS, Whipple, Magnuson, and a complete range of performance accessories including Silicon hose, Fuel Pressure regulators, Fuel.

To identify your turbocharger, you must know the original part number of the turbocharger manufacturer. It is usually engraved on a plate or simply knocked out on the compressor housing.

It is also possible to search for the original manufacturer's number (OEM, OE) of the vehicle in the catalog.

Part Number. This is the original turbocharger number, the number that is provided directly by the turbocharger manufacturer (Garrett, BorgWarner, IHI, Mitsubishi and so on).

OEM or shortly OE (original equipment manufacturer). This is the vehicle manufacturer number (Mercedes, BMW, Audi, Ford, Toyota, Volvo, VW, and so on).

Both numbers are usually, but not always, present on the turbocharger. In our catalog both numbers are stored, but high priority is given to the turbo manufacturer number (Part Number). We recommend that you search for a suitable turbocharger for this particular number.

Ihi Turbo Repair Manual

STEP ONE: Clean the plate or casing. It is very difficult to see the number, so the area needs to be washed or cleaned with a cleaner.

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STEP TWO: Determine the original turbocharger number. Each brand of the turbocharger has its own number. Here are a few examples (select the manufacturer of your turbocharger).

  • Garrett

    The Garrett turbocharger number usually contains 6 characters, starting with 4, 7 or 8, followed by a minus sign and an additional 4 digits or 4 digits with the letter S at the end, e.g.: 454083-0001; 452204-0002; 720244-5004S; 712290-0002. Also, there are shorter numbers of turbos (e.g.: 452204-2; 720244-4; 712290-2). In general, the principle of recognizing the number of the Garrett turbo is as it follows: three numbers 452204-0002, 452204-2 and 452204-5002S are the same. 452204-0002 and 452204-2 Garrett sells directly to the vehicle manufacturers, and 452204-5002S sells Garrett itself as a spare part.

    Garrett Turbo Part Numbers

    In the search you can only use the 6 first numbers of the part number (e.g.: 724930) or the full number with a minus sign in the middle (e.g.: 724930-0002). Do not look for a short 724930-2 number or 724930-5002S number. Also, you can try to look for the original number of the manufacturer (OEM, OE) of the vehicle, if you know such number (OEM numbers example: 03G253010J, 03G253014H, 03G253019A).

    In the database of the catalog we write numbers of the form 724930-0002, what is the full original Garrett part number.

    Most Garrett turbos are interchangeable for the first 6 numbers of the number, e.g.: 724930-0002 is identical to 724930-0003 and so on. But there are strict exceptions to this principle, e.g.: the turbo 782217-0003 is not interchangeable with 782217-0002 and 782217-0001 turbos, which in turn are interchangeable.

  • BorgWarner

    The number of BorgWarner turbochargers (the same as KKK, 3K and SCHWITZER) usually contains 11 numbers, starting with 5 or 1, e.g.: 5303-970-0057; 5303-988-0023; 5435-988-0125. Also the number of BorgWarner turbines can start with the letters K, KP, BV. E.g.: K14-7805; K16-7805; KP35-7805; KP39-7805; K03-05; BV43B-0132.

    Instead of two minus signs, there can be spaces in the number or the number can be written altogether, without spaces or minuses. Pay attention to the central part of the numbers: 5303-970-0057, 5303-988-0057, 5303 970 0057, 5303 988 0057. In the middle of the number there can be digits 970, 988, 998, 971 and so on. In fact, these numbers are the same in the search. The turbo with the number 5303-988-0057 is the same turbo with the number 5303-970-0057. The number with the middle 988 are used as service numbers and serve for the description of turbos that are spare parts. Rooms with the middle 970, 971, are usually original. BorgWarner sends turbines to the motor vehicle manufacturer with these numbers.

    The numbers of BorgWarner turbochargers (also as KKK, 3K and SCHWITZER)

    In the catalog database we write numbers as for instance 5303-970-0057, that is the full original part number of BorgWarner.

    We recommend using 970 as the number in the middle in the search. If your turbocharger number is 5439-988-0069, just type in the search 5439-970-0069.

    If your BorgWarner turbocharger number starts with a letter, convert the number to an 11-digit code using this example:

    BV39B-050 is identical to 5439-970-0050
    BV40D-0007 is identical to 5440-970-0007
    BV40D-0021 is identical to 5440-970-0021
    BV40E-0005 is identical to 5440-970-0005
    BV43B-0132 is identical to 5303-970-0132
    K03-057 is identical to 5303-970-0057
    K04-011 is identical to 5304-970-0011
    K04-017 is identical to 5304-970-0017
    K14-7805 is identical to 5314-970-7805
    KP35-0054 is identical to 5435-970-0054
    KP39-0022 is identical to 5439-970-0022
    KP39-0037 is identical to 5439-970-0037
    KP39B-0047 is identical to 5439-970-0047

    Also, you can try to look for a turbo by the original OEM number (OEM, OE) of the vehicle, if you know this number.

  • IHI

    To identify the turbocharger manufacturer IHI Turbo, you need to find a special manufacturer number. Example of special numbers: VJ32; VA81; VJ27; VL25 VIBG; VIEZ. However, later turbines IHI thus are to recognize very difficult. E.g.: JHJ turbochargers are different and not compatible. Therefore, it makes sense to use the OEM or OE numbers in the search.

    IHI Turbo Part Numbers
  • Mitsubishi

    The Mitsubishi or MHI turbocharger number consists of the first 5 numbers and the additional 5 numbers following the minus sign. E.g.: 49177-02510; 49173-06501; 49135-05620. Usually, Mitsubishi turbo numbers start with 49.

    Mitsubishi Turbocharger Part Numbers

    We recommend to use all 10 numbers (e.g.: 49135-05620), including the minus sign. Also, you can try to search by the original number of the vehicle manufacturer (OEM or OE), if you know this number.

  • Schwitzer

    The company Schwitzer mainly produces turbochargers for heavy vehicles and various agricultural machinery as trucks or tractors.

    Everything is extremely simple if you have a turbocharger manufacturer Schwitzer. Simply enter the 6-digit number in the search box and select from the list the part you need or the required turbocharger.

    Schwitzer Turbocharger Numbers

    At the moment, the company Schwitzer has joined the BorgWarner concern. In the company BorgWarner, the brands KKK and 3K also are produced. So do not be surprised to see the numbers of Schwitzer with the logo BorgWarner.

  • Toyota

    To identify the turbocharger manufacturer Toyota, you need to find a 10-digit number with a minus sign. Usually it is located on the turbocharger housing (on its aluminum part). Sometimes the number is glued on the actuator (see figure).

    Toyota Turbocharger Numbers

    The original Toyota turbocharger numbers usually start with the numbers 17.

STEP THREE: Enter the original manufacturer number of your turbocharger in the search box and press Enter or Search. You will get a complete list of suitable turbos and a link to the spares list for your turbocharger.

STEP FOUR: Contact our sales department for your subsequent support.

Or visit our online store. Buy quickly and conveniently!

Bearings scored from lack of oil supply or bad oil / contamination

Bearing failure

Scored bearing on turbine wheel. See shaft is blue from getting hot from lack of oil lubrication

Cracked turbine housing at exhaust inlet

Cracks in trubine housing inside housing

Internal turbine housing cracks

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Burst compressor wheel

Foreign object damage to compressor wheel

Compressor wheel failure after scrubbing walls of compressor cover, secondary failure after bearings have failed

Exhaust bypass cracks

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Compressor wheel scrubbing compressor cover

Foreign object damage on compressor inlet

Foreign object damage on compressor inlet

Thrust bearing stack up

Example of thrust bearing cracks and damage

Thrust bearing scoring and damage

Piston ring damage and bearing journal damage from lack of proper oil supply

Broken turbine wheel and shaft from abrupt stop

Ihi Turbo Parts

Broken turbine wheel blade from foreign object damage, most likely from an engine valve or piston

Foreign object damage from engine

Damage to turbine wheel from scrubbing turbine housing

Vanes on variable vane geometry turbo

Damage to vanes on variable vane geometry turbo

Turbocharger air flow diagram

Possible Failure DiagnosisEngine Running HotPoor Transient ResponseSmokeEngine Lacks PowerBlack Exhaust SmokeBlue Exhaust SmokeHigh Oil ConsumptionTurbocharger NoisyCyclic Sound from the TurbochargerOil Leak from Compressor SealOil Leak from Turbine Seal
Dirty air cleaner
Clean or replace element according to manufacturer’s recommendations
Restricted compressor intake duct
Remove restriction or replace damaged parts as required
Restricted air duct from compressor to intake manifold
Replace seals, gaskets or tighten fasteners as required
Restricted intake manifold
Refer to engine manufacturer’s manual and remove restriction
Air leak in feed from air cleaner to compressor
Replace seals, gaskets or tighten fasteners as required
Air leak in feed from compressor to intake manifold
Replace seals, gaskets or tighten fasteners as required
Air leak between intake manifold and engine
Refer to engine manufacturer’s manual and replace gaskets or tighten fasteners as required
Foreign object in exhaust manifold (from engine)
Refer to engine manufacturer’s manual and remove obstruction
Restricted exhaust system
Remove restriction or replace damaged parts as required
Exhaust manifold cracked, gaskets blown or missing
Refer to engine manufacturer’s manual and replace gaskets or damaged parts as required
Gas leak at turbine inlet/exhaust manifold joint
Replace gasket or tighten fasteners as required
Gas leak in ducting after turbine outlet
Refer to engine manufacturer’s manual and repair leak
Restricted turbocharger oil drain line
Remove restriction or replace damaged parts as required
Restricted engine crankcase breather
Refer to engine manufacturer’s manual, clear restriction
Turbocharger bearing housing sludged or coked
Change engine oil and oil filter, overhaul or replace turbocharger as required
Fuel injection pump or fuel injectors incorrectly set
Refer to engine manufacturer’s manual and replace or adjust faulty components as required
Engine valve timing incorrect
Refer to engine manufacturer’s manual for correct settings and adjust as required
Worn engine piston rings or liners
Refer to engine manufacturer’s manual and repair as required
Burnt valves and/or pistons
Refer to engine manufacturer’s manual and repair as required
Excessive dirt build-up on impeller and/or diffuser vanes
Clean in accordance with the appropriate manufacturer repair manual
Turbocharger damaged
Find and correct cause of failure, repair or replace turbocharger as necessary
Failed diaphragm
Replace using correct Actuator Service Kit
Siezed valve
Free valve/replace complete turbine housing sub-assembly
Leaking hose
Replace hose and clips
Wastegate mechanism set incorrectly