Coolant Temperature Is Too High - Perkins 1106D Troubleshooting Manual

KENR6201-01
•
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 Systems Operation, 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 Systems Operation, 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 Systems Operation, Testing and
Adjusting, "Cylinder Head - Inspect" for the correct
procedure.
3. Check the internal core plugs in the cylinder head
for signs of leakage.
4. If the cylinder head is flat and if the cylinder head
does not have any faults, refer to "Cylinder Block".
This document is printed from SPI². Not for RESALE
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 Systems
Operation, 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 fault.
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.
41
Troubleshooting Section
i03438642