Discovery II (LT) V8-4.0L (2002)
Engine Oil Pressure: Testing and Inspection
Engine Oil Pressure Check
Service Order No - 12.90.09.01
Check
1. Remove oil pressure switch.
2. Connect pressure check kit LRT-12-052C adaptor and gauge to oil pressure switch position on timing gear cover.
3. Check and if necessary top up engine oil.
4. Run engine at idle speed and check that oil pressure is within limits given.
5. Switch off ignition.
6. Remove pressure check kit LRT-12-052C.
7. Clean oil spillage.
8. Fit oil pressure switch.
Adjust
1. If engine oil pressure is below figures given, check condition of oil pump and/or main and big end bearings.