Corolla Sedan L4-1587cc 1.6L DOHC (4A-F) (1987)
16. INSTALL SEVEN CHECK BALLS AND THROTTLE VALVE RETAINER
Coat the valve retainer with petroleum jelly, install the throttle valve retainer and seven check balls.
Front Wheel Drive, A131L Transaxle
ASSEMBLY OF UPPER VALVE BODY
1. INSTALL LOCK-UP RELAY VALVE
a. Install the sleeve into the bore.
b. Coat the retainer with petroleum jelly and install it onto the end of the sleeve.
c. Install the control valve, spring and lock-up relay valve into the bore in horizontal position.
d. Push in the relay valve by hand until the control valve touches the end of the sleeve.
e. Install the plug and retainer.