Nova/Chevy II L4-1600cc 4ALC Nummi (1988)
Rocker Arm Assembly: Service and Repair
Fig. 6 Rocker arm support loosening sequence. Exc. 16 valve engine
Fig. 7 Rocker shaft oil holes. Exc. 16 valve engine
Fig. 8 Rocker arm torque sequence. Exc. 16 valve engine
EXC. 16 VALVE ENGINE
1.
Remove cylinder head cover attaching bolts, then the cylinder head cover.
2.
Loosen each rocker support bolt a little at a time and in sequence shown in Fig. 6.
3.
During installation, proceed as follows:
a. Loosen adjusting screw locknuts.
b. Assemble rocker arm assembly and face the oil holes of the rocker shaft to the right, left and bottom as shown in Fig. 7.
c. Install and tighten rocker support bolts gradually in three steps in sequence shown in Fig. 8.