Coolant Temperature Is Too High - Perkins 1106D Troubleshooting Manual

SENR9982
•
Cylinder head gasket
•
Cylinder head
•
Cylinder block
Recommended Actions
Engine Oil Cooler
1. Drain the engine lubricating oil from the engine.
2. Check for leaks in the oil cooler assembly. Refer
to Testing and Adjusting, "Cooling System" for the
correct procedure. If a leak is found, install a new
oil cooler. Refer to Disassembly and Assembly,
"Engine Oil Cooler - Remove" and Disassembly
and Assembly, "Engine Oil Cooler - Install" for the
correct procedure.
Cylinder Head Gasket
1. Remove the cylinder head. Refer to Disassembly
and Assembly, "Cylinder Head - Remove" for the
correct procedure.
2. Inspect the cylinder head gasket for faults and any
signs of leakage.
3. To fit a new cylinder head gasket, refer to
Disassembly and Assembly, "Cylinder Head -
Install" for the correct procedure.
4. If there was no obvious signs of a faulty head
gasket proceed to "Cylinder Head".
Cylinder Head
1. Check the cylinder head for flatness. Refer to
Testing and Adjusting, "Cylinder Head - Inspect"
for the correct procedure.
2. Check the mating face of the cylinder head for
faults and signs of leakage. If a fault is found,
replace the cylinder head. If signs of leakage are
found, determine the cause of the leakage. Refer
to Testing and Adjusting, "Cylinder Head - Inspect"
for the correct procedure.
3. If the cylinder head is flat and if the cylinder head
does not have any faults, refer to "Cylinder Block".
Cylinder Block
Inspect the top face of the cylinder block for faults
and signs of leakage. If a fault is found, replace
the cylinder block. If signs of leakage are found,
determine the cause of the leakage. Refer to Testing
and Adjusting, "Cylinder Block - Inspect" for the
correct procedure.
Assembly after Repair
1. Install the cylinder head. Refer to Disassembly
and Assembly, "Cylinder Head - Install".
2. Remove the oil filter element. Install a new engine
oil filter element. Fill the engine with clean engine
oil to the correct level. Refer to the Operation
and Maintenance Manual, "Engine Oil and Filter
- Change" for more information.
Coolant Temperature Is Too
High
Note: This is not an electronic system problem.
Probable Causes
•
Radiator fins
•
Coolant level
•
Radiator cap and/or pressure relief valve
•
Coolant temperature gauge
•
Restriction in the coolant system
•
Water temperature regulator
•
Engine cooling fan
•
Coolant pump
•
Cylinder head gasket
Recommended Actions
Radiator Fins
Check the radiator fins for dirt, debris, and/or damage.
Remove any dirt and/or debris and straighten any
bent fins.
Coolant Level
1. Inspect the coolant level. If necessary, add
coolant.
2. Check the cooling system for leaks. Repair any
leaks immediately.
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Troubleshooting Section
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