Acura 3.5 RL Manual page 186

Cylinder Heads
Removal (cont'd)
40. Remove the left and right camshaft pulleys, then
remove the back covers.
RIGHT
CAMSHAFT PULLEY
8 x 1.25 mm
31 N-m (3.2 kgf-m,
23 Ibf-ft)
LEFT
CAMSHAFT PULLEY
8 x 1.25 mm
31 N-m (3.2 kgf-m,
23 Ibf-ft)
BACK COVER
BACK COVER
41. Remove the left and right cylinder head covers.
6 x 1.0 mm
12 N-m (1.2 kgf-m, 8.7 Ibf-ft)
42. Remove the cylinder head bolts, then remove the
cylinder heads.
CAUTION: To prevent warpage, unscrew the bolts
in sequence 1/3 turn at a time; repeat the sequence
until all bolts are loose.
CYLINDER HEAD BOLTS LOOSENING SEQUENCE:
CYLINDER
HEAD COVER