LUBRICATION SYSTEM — Oil Pressure Regulator OIL PRESSURE REGULATOR (For Lash Adjuster Valve) REMOVAL AND DISASSEMBLY OF OIL PRESSURE REGULATOR 1. REMOVE NO. 3 TIMING BELT COVER 2. REMOVE TIMING BELT COVER STAY 3. REMOVE OIL PRESSURE REGULATOR AND GASKET 4. DISASSEMBLE OIL PRESSURE REGULATOR ASSEMBLY Unscrew the relief valve plug, and remove the spring and relief valve. Plug Gasket Spring Relief Valve INSPECTION OF OIL PRESSURE REGULATOR Check the relief valve for scoring or wear. If damaged, replace the valve or regulator assembly. ASSEMBLY AND INSTALLATION OF OIL PRESSURE REGULATOR 1. ASSEMBLE OIL PRESSURE REGULATOR ASSEMBLY Install the relief valve and spring in the body, and screw on the relief valve plug. 2. INSTALL OIL PRESSURE REGULATOR OVER NEW GASKET 3. INSTALL TIMING BELT COVER STAY 4. INSTALL NO. 3 TIMING BELT COVER 5. START ENGINE AND CHECK FOR LEAKS