Garrett Turbocharger troubleshooting guide

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red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes)     red_dot.gif (873 bytes)     Clogged air filter element   Replace element according to engine manufacturers recommendations
  red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes)     Obstructed air intake duct to turbo compressor   Remove obstruction or replace damaged parts as required
red_dot.gif (873 bytes) red_dot.gif (873 bytes)     red_dot.gif (873 bytes)         Obstructed air outlet duct from compressor to intake manifold   Remove obstruction or replace damaged parts as required
red_dot.gif (873 bytes) red_dot.gif (873 bytes)     red_dot.gif (873 bytes)         Obstructed intake manifold   Refer to engine manufacturers manual & remove obstruction
        red_dot.gif (873 bytes)         Air leak in duct from air cleaner to compressor   Correct leak by replacing seals or tightening fasteners as required
red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes)         Air leak in duct from compressor to intake manifold   Correct leak by replacing seals or tightening fasteners as required
red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes)         Air leak at intake manifold to engine joint   Refer to engine manufacturers manual & replace gaskets or tighten fasteners as required
red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes)   red_dot.gif (873 bytes)     Obstruction in exhaust manifold   Refer to engine manufacturers manual & remove obstruction
red_dot.gif (873 bytes) red_dot.gif (873 bytes)         red_dot.gif (873 bytes)     Obstruction in muffler or exhaust stack   Remove obstruction or replace faulty components
red_dot.gif (873 bytes) red_dot.gif (873 bytes)     red_dot.gif (873 bytes)   red_dot.gif (873 bytes)     Gas leak in exhaust manifold to engine joint   Refer to engine manufacturers manual & replace gaskets or tighten fasteners as required
red_dot.gif (873 bytes) red_dot.gif (873 bytes)     red_dot.gif (873 bytes)   red_dot.gif (873 bytes)     Gas leak in turbine inlet to exhaust manifold joint   Replace gasket or tighten fasteners as required
        red_dot.gif (873 bytes)         Gas leak in ducting after the turbine outlet   Refer to engine manufacturers manual & repair leak
    red_dot.gif (873 bytes) red_dot.gif (873 bytes)     red_dot.gif (873 bytes) red_dot.gif (873 bytes)   Obstructed turbocharger oil drain line   Remove obstruction or replace line as required
    red_dot.gif (873 bytes) red_dot.gif (873 bytes)     red_dot.gif (873 bytes) red_dot.gif (873 bytes)   Obstructed engine crankcase vent   Refer to engine manufacturers manual, clear obstruction
    red_dot.gif (873 bytes) red_dot.gif (873 bytes)     red_dot.gif (873 bytes) red_dot.gif (873 bytes)   Turbocharger center housing sludged or coked   Change engine oil & oil filter, overhaul or replace turbo as required
red_dot.gif (873 bytes) red_dot.gif (873 bytes)               Fuel injection pump or fuel injectors incorrectly adjusted   Refer to engine manufacturers manual - replace or adjust faulty component(s) as required
red_dot.gif (873 bytes) red_dot.gif (873 bytes)               Engine camshaft timing incorrect   Refer to engine manufacturers manual & replace worn parts
red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes)     red_dot.gif (873 bytes) red_dot.gif (873 bytes)   Worn engine piston rings or liners (blowby)   Refer to engine manufacturers manual & repair engine as required
red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes)     red_dot.gif (873 bytes) red_dot.gif (873 bytes)   Internal engine problem (valves, pistons)   Refer to engine manufacturers manual & repair engine as required
red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes)   Dirt caked on compressor wheel and/or diffuser vanes   Clean using a Non-Caustic cleaner & Soft Brush.  Find and correct source of unfiltered air & change engine oil & oil filter
red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes) red_dot.gif (873 bytes)   red_dot.gif (873 bytes) red_dot.gif (873 bytes)   Damaged turbocharger   Analyze failed turbocharger, find & correct the cause of failure, overhaul or replace turbocharger as required