| | TEST RESULTS |
| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Carry out an initial visual inspection to locate the component that is leaking or the area of the leak.If the visual inspection was not enough, wash the engine, dry it and spread talc on the parts involved: carry out a road test to identify the leak. | Move on to Step 1. | 1. Leak from the exhaust cap.2. Leak from the sump.3. Leak from the oil filter.4. Leak from the engine gaskets. | 1. Move on to Step 1.2. Move on to Step 2.3. Move on to Step 3.4. Move on to Step 4. |
| 1 | DRAIN PLUG CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the condition and seal of the oil drain plug. | Move on to Step 2. | 1. Drain plug not intact.2. Exhaust cap tightening not correct. | 1. Replace the drain plug. Op. 1020A30 ENGINE OIL DRAIN PLUG - REPLACE |
| 2 | OIL SUMP CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check:- the condition of the oil sump;- the sealant seal between the sump and cylinder block/crankcase;- that the sump fixing bolts are correctly tightened. | Move on to Step 3. | 1. Oil sump damaged or distorted.2. Sealant seal not effective.3. Incorrect tightening of retaining bolts. | 1. Replace the sump. Op. 1020A20 CRANKCASE OIL SUMP - R.R CLEAN SURFACES FOR SEALANT APPLICATION |
| 3 | OIL FILTER CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check:- the condition of the oil filter;- the seal and condition of the seal. | Move on to Step 4. | Oil filter damaged or distorted. | Replace the oil filter and seal. Op. 1084B30 ENGINE OIL FILTER - R.R |
| 4 | ENGINE GASKET CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Access the oil seal rings on the crankshaft and camshafts.Check the seal of these gaskets. | End of diagnosis. | 1. Crankshaft seals damaged.2. Camshaft seals damaged. | 1.Replace the seals concerned.2.Replace the seal concerned. |
