Corolla Sedan L4-1587cc 1.6L DOHC (4A-F) (1987)
b. Install the spring, shim and regulator valve assembly to the upper valve body.
NOTE: Assemble so the end of the plunger sleeve is making contact with the valve body at the same step as when it was disassembled.
c. Install the pin to hold the valve sleeve.
15. INSTALL MANUAL VALVE PLUG AND PIN
Coat the pin with petroleum jelly, install the pin and plug.