Operating & Maintenance Manual Lubrication
72
Symptom Problem Solution
Engine overheats Engine overloaded. Reduce load.
Low coolant level.
Fill radiator to proper level, check radiator
and hoses for loose connection s or leaks.
Faulty radiator cap. Have technician check.
Stretched poly-vee belt or
defective belt tensioner.
Check automatic belt tensioner and check
belts for stretching. Replace as required.
Low engine oil level. Check oil level. Add oil as required.
Cooling system needs
flushing.
Flush cooling system.
Defective thermostat. Remove and check thermostat.
Defective temperature gauge
or sender.
Check coolant temperature with
thermometer and replace, if necessary.
Incorrect grade of fuel. Use correct grade of fuel.
High fuel
Consumption
Improper type of fuel. Use correct grade of fuel.
Clogged or dirty air cleaner. Service air cleaner.
Engine overloaded. Reduce load.
Improper valve clearance. See your authorized servicing dealer.
Injection nozzles dirty. See your authorized servicing dealer.
Electronic fuel system
problem.
See your authorized servicing dealer.
Defective turbocharger. See you authorized servicing dealer
Low engine temperature. Check thermostat.
Undercharged
electrical system
Excessive electrical load from
added accessories.
Remove accessories or install higher
output alternator.
Excessive engine idling. Increase engine rpm when heavy electrical
load is used.
Poor electrical connections on
battery, ground strap, starter,
or alternator.
Inspect and clean as necessary.
Defective battery. Test battery.
Defective alternator. Test charging system.
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