Troubleshooting - Toyota Land Cruiser 1988 Repair Manual

LU-2 LUBRICATION SYSTEM- Troubleshooting
TROUBLESHOOTING
Problem Possible cause Remedy Page
Oil leakage Cylinder head, cylinder block or oil pump Repair as necessary
body damaged or cracked
Oil seal faulty Replace oil seal EM-40, 68
Gasket faulty Replace gasket
Low oil pressure Oil leakage
Repair as necessary
Relief valve faulty Repair relief valve LU-5
Oil pump faulty Repair oil pump LU-5
Engine oil poor quality Replace engine oil LU-4
Crankshaft bearing faulty Replace bearing EM-45
Connecting rod bearing faulty Replace bearing EM-45
Oil filter clogged Replace oil filter LU-4
High oil pressure Relief valve faulty
Repair relief valve LU-5