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3126

3116 and 3126 Truck Engines Oil Leakage Into Combustion Area Of Cylinders

Posted on July 26, 2017 by sam

Oil leakage into the combustion area of the cylinders can be the cause of blue smoke. There are four possible ways for oil leakage into…

3126

3116 and 3126 Truck Engines Oil Leakage On Outside Of Engine

Posted on July 26, 2017 by sam

Check for leakage at the seals at each end of the crankshaft. Look for leakage at the oil pan gasket and all lubrication system connections.…

3126

3116 and 3126 Truck Engines Air In Fuel

Posted on July 25, 2017 by sam

Probable Cause: Install a 4P8278 sight glass in the fuel return line and operate the engine to check for gas bubbles, an indication of air…

3126

3116 and 3126 Truck Engines Soot In The Inlet Manifold

Posted on July 25, 2017 by sam

Probable Cause: * Engine Design * Defective Valve Or Seat 1. Engine design: On diesel engines a small amount of soot is normal. This is…

3126

3116 and 3126 Truck Engines Loss Of Coolant

Posted on July 25, 2017 by sam

A. Outside Leaks (Go to Step 1) Probable Cause(s): * Leaks In Hoses Or Connections * Leaks In The Radiator And/Or Expansion Tank * Leaks…

3126

3116 and 3126 Truck Engines Problem Fuel In Coolant

Posted on July 25, 2017 by sam

Probable Cause: * Defect In Unit Injector Sleeve 1. Defect in unit injector sleeve: Remove unit injectors and inspect sleeves in cylinder head unit injector…

3126

3116 and 3126 Truck Engines Problem Fuel In Lubrication Oil

Posted on July 25, 2017 by sam

Probable Cause(s): * Defective Upper Seal On Unit Injector * Porosity In Cylinder Head * Porosity In Fuel Filter Base * Defective Seal In The…

3126

3116 and 3126 Truck Engines Problem Alternator Has Noise

Posted on July 25, 2017 by sam

Probable Cause(s): * Drive Belt For Alternator Is Worn Or Has A Defect * Loose Alternator Drive Pulley * Drive Belt And Drive Pulley For…

3126

3116 and 3126 Truck Engines Problem Alternator Charge Too High

Posted on July 25, 2017 by sam

Probable Cause(s): * Alternator Or Alternator Regulator Has Loose Connections * Alternator Regulator Has A Defect * Alternator Field Lead Shorted To Battery Voltage 1.…

3126

3116 and 3126 Truck Engines Problem No Charging Current, Or Low Or Irregular Charging Current

Posted on July 25, 2017 by sam

Probable Cause(s): * Loose Drive Belt For Alternator * Charging Or Ground Return Circuit Or Battery Connections Have A Defect * Alternator Regulator Has A…

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