VI S X 0YL NllEN ENGINE lll 5 Sarvlca Dlagnosls Condition Possible Cause Correction EXTERNAL OIL 1 Fuel pump gasket broken or 1 Replace gasket LEAK improperly seated 2 Cylinder head cover gasket 2 Replace gasket check cylinder broken or improperly seated head cover gasket flange and cylinder head gasket surface for distortion 3 Oil filter gasket broken or im 3 Replace oil filter properly seated 4 Oil pan side gasket broken or 4 Replace gasket check oil pan improperly seated gasket flange for distortion 5 Oil pan front oil seal broken or 5 Replace seal check timing chain improperly seated cover and oil pan seal flange for distortion 6 Oil pan rear oil seal broken or 6 Replace seal check oil pan rear improperly seated oil seal flange check rear main bearing cap for cracks plugged oil return channels or distortion in seal groove 7 Timing chain cover oil seal 7 Replace seal broken or improperly seated 8 Oil pan drain plug loose or has 8 Repair as necessary and tighten stripped threads 9 Rear oil gallery plug loose 9 Use appropriate sealant on gallery plug and tighten 10 Rear camshaft plug loose or 10 Seat camshaft or replace and improperly seated seal as necessary EXCESSIVE OIL 1 Oil level too high 1 Lower oil level to specifications OONSUMPTION 2 on too mm 2 Replace with specified on 3 Valve stem oil seals are damaged 3 Replace valve stem oil seals missing or incorrect type 4 Valve stems or valve guides worn 4 Check stem to guide clearance and repair as necessary 5 Piston rings broken missing 5 Replace missing or broken rings 6 Piston rings incorrect size 6 Check ring gap repair as necessary 7 Piston rings sticking or excessively 7 Check ring side clearance repair loose in grooves as necessary 8 Compression rings installed up 8 Repair as necessary side down 9 Cylinder walls worn scored or 9 Repair as necessary glazed 10 Piston ring gaps not properly 10 Repair as necessary staggered 11 Excessive main or connecting rod 11 Check bearing clearance repair bearing clearance as necessary sozssa