Del Sol Si VTEC L4-1590cc 1.6L DOHC (VTEC) MFI (1997)
Rocker Arm Assembly: Service and Repair
Removal and Installation
REMOVAL
1. Hold the rocker arms together with a rubber band to prevent them from separating.
2. Remove the intake and exhaust rocker shaft oil control orifices, then remove the VTEC solenoid valve and the sealing bolts.
NOTE: The shapes of the oil control orifice for the intake and exhaust are different. Identify the parts as they are removed to ensure reinstallation
in the original locations.
3. Screw 12 mm bolts into the rocker arm shafts. Remove each rocker arm while slowly pulling out on the intake and exhaust rocker arm shafts.
INSTALLATION
1. Install the rocker arms in the reverse order of removal:
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Valve adjusting locknuts should be loosened and adjusting screws backed off before installation.
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The component parts must be reinstalled in the original locations.
2. Install the lost motion assemblies.