Page 1536 - Foton Workshop Manual - Tunland (AT)

18-2 LUBRICATION - LUBRICATION SYSTEM

DEFECTS

Defect Possible Cause Recommended Solution
Low engine oil level Top up engine oil to standard

Oil strainer screen blocked Clean oil strainer screen
Replace gasket and tighten
Loose bolts in oil strainer
bolts

No sealing in oil pump
Replace oil pump
Insufficient pressure in engine Oil pump broken
oil
Check engine bearing and
Large bearing play crankshaft and replace worn
18 parts if needed
Engine oil pressure switch Replace engine oil pressure
doesn't work switch
Engine oil too thin Replace oil

Leakage in front and rear
crankshaft oil seals, camshaft
oil seal, engine oil pressure Overhaul oil leaking parts
switch, oil filter, oil drain bolt
Engine oil insufficient or oil pan

Check cylinder pressure and
Engine burns oil and causes
valve oil seal and overhaul
high consumption
engine if needed

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