LR3/Disco 3
4 .
Remove the accessory drive belt idler pulley.
Remove the retaining bolt.
5 .
Release the knock sensor (KS) harness from the valve cover.
6 .
Disconnect the KS electrical connector.
7 .
Release the glow plug harness from the valve cover.
8 .
Disconnect the engine oil pressure (EOP) sensor electrical connector.