LS 460 V8-4.6L (1UR-FSE) (2007)
Compression Check: Testing and Inspection
COMPRESSION
INSPECT COMPRESSION
(a)
Warm up and stop the engine.
HINT: A warmed up engine should have an engine coolant temperature of over 80°C (176°F) and an engine oil temperature of 60°C (140°
F), and the engine rpm should be stabilized.
(b) Remove the V-bank cover.
(c)
Remove the 5 clips and air cleaner inlet cover.
(d) Remove the 8 clips and 2 engine room side covers.
(e)
Remove the 2 bolts and No. 1 air cleaner inlet.
(f)
Remove the 4 nuts and 2 air cleaner assemblies.
(g) Disconnect the cable from the negative (-) battery terminal.
(h) Remove the battery and tray.
(i)
Remove the 3 bolts and skid control ECU.
(j)
Remove the bolt, 2 nuts and skid control ECU bracket.
(k) Disconnect the 8 ignition coil connectors.