(para 4-34).
(para 4-83).
TM5-3895-369-14
ENGINE OIL PRESSURE TOO LOW (CONT).
KNOWN INFO
Operating temperature-OK.
POSSIBLE PROBLEMS
Faulty turbocharger supply, or
return hoses.
Oil in coolant.
Faulty oil pressure switch.
Faulty oil pressure gauge.
KNOWN INFO
Operating temperature-OK.
Turbocharger supply and return
hoses-OK.
POSSIBLE PROBLEMS
Oil in coolant.
Faulty oil pressure switch.
Faulty oil pressure gauge.
TEST OPTIONS
Coolant inspection.
REASON FOR QUESTION
If oil is present in coolant,
indicates faulty oil cooler core.
TEST OPTIONS
Oil pressure switch test.
REASON FOR QUESTION
A faulty oil pressure switch will
give a false reading at oil
pressure gauge.
4-84
