Category Archives for Troubleshooting
Probable Cause: 1. Restriction To Air Flow Through Radiator Or Restriction To Flow Of Coolant Through The Heat Exchanger Remove all restrictions of flow. 2. Not Enough Coolant In System Add coolant to cooling system. 3. Pressure Cap Has A … Continue reading
Probable Cause: 1. Defect In Oil Pressure Gauge Install new gauge. 2. Dirty Oil Filter Or Oil Cooler Check the operation of bypass valve for the filter. Install new oil filter elements if needed. Clean or install new oil cooler … Continue reading
Probable Cause: 1. Too Much Lubrication Oil In Engine Remove extra oil. Find where extra oil comes from. Put correct amount of oil in engine Do not put too much oil in engine. 2. Misfiring Or Running Rough Make reference … Continue reading
Probable Cause: 1. Not Enough Air For Combustion Check air cleaner for restrictions [Max. 635 mm (25 in) of water]. 2. Defective Fuel Injection Nozzle(s) Install new fuel injection nozzle(s). 3. Wrong Fuel Injection Timing Make adjustment to timing. 4. … Continue reading
Probable Cause: 1. Failure Of Oil Cooler Core Install a new core for the oil cooler. 2. Failure Of Cylinder Head Gasket Install a new cylinder head gasket. Tighten the bolts holding the cylinder head, according to the Specifications. 3. … Continue reading
Probable Cause 1. Too Much Oil In The Valve Compartment Look at both ends of the rocker arm shaft. Be sure that there is a plug in each end. 2. Worn Valve Guides Reconditioning of the cylinder head is needed. … Continue reading
Probable Cause: 1. Broken Locks Broken locks can cause the valve to slide into the cylinder. This will cause much damage. 2. Broken Valve Spring(s) Install new valve spring(s).
Probable Cause: 1. Not Enough Lubrication Check lubrication in valve compartment. There must be a strong flow of oil at high engine rpm, but only a small flow at low rpm. Oil passages must be clean, especially those sending oil … Continue reading
Probable Cause: 1. Broken Valve Spring(s) Make replacement of parts with damage. 2. Broken Camshaft Make replacement of parts with damage. Clean engine thoroughly. 3. Broken Timing Advance Gear Make replacement of timing advance unit.
Probable Cause: 1. Fuel System Leaks Replacement of parts is needed at points of leakage. 2. Defect In Timing Advance Unit Replacement of timing advance unit is needed. 3. Wrong Fuel Injection Timing Make adjustment to timing. 4. Fuel Setting … Continue reading