Important: The valley cover gasket (3) is a single use
only component and must be replaced whenever the valley cover gasket (3) is removed
from the engine.
Remove the valley cover gasket (3).
Discard the valley cover gasket
(3).
Remove the oil pressure sensor (1) and washer (2),
as required.
Engine Block Valley Cover Removal LS3
Remove the engine block valley cover bolts (506).
Remove the valley cover (555) and gasket (556).
Remove the seals (537) from the cover.
Remove the engine oil pressure sensor (706) and seal (707), as required.