Cylinder Head Repair
REMOVE AND DISASSEMBLE
WARNING
Disconnect the battery cables before making re-
pairs to the engine.
1.
Drain cooling system.
2.
Loosen hose clamp and remove coolant hose
from thermostat housing.
NOTE:
Prior to removing distributor, mark loca-
tion of distributor on distributor and engine to aid
in proper installation. For more information re-
garding removal and installation of distributor, see
High Voltage Switch (HVS) Ignition; GM4.3L
EPA Compliant Engines and GM5.7L LPG
EPA Complicant Engine 2200SRM1097.
3.
Remove air cleaner, distributor, intake mani-
fold, and exhaust manifolds. Remove drive
belt(s) and remove brackets for drive belt ten-
sioner and alternator.
4.
Remove spark plugs and spark plug wire
shields.
5.
Remove valve rocker arm cover bolts and grom-
mets. Discard grommets.
6.
Remove rocker arm cover. See Figure 1.
7.
Remove valve rocker arms. Organize rocker
arms so they can be installed in their original
positions. See Figure 2.
1. ROCKER COVER BOLTS
2. ROCKER COVER
3. CYLINDER HEAD
Figure 1. Rocker Cover Removal
Cylinder Head Repair
0600 SRM 1251
2
