LS 400 V8-4.0L (1UZ-FE) (1990)
4. CONNECT NO.3 AND NO.4 WATER BY-PASS HOSES TO EGR VALVE
5. CONNECT NO.1 PCV HOSE TO EGR VALVE ADAPTER
6. INSTALL EGR VACUUM MODULATOR AND VCV WITH BRACKET
(a) Install the EGR vacuum modulator and VCV with bracket to the EGR valve.
(b) Connect the following hoses:
^ EGR vacuum modulator hose to EGR valve
^ Two vacuum hoses to VSV for EGR
^ Two vacuum hoses to air pipe Three vacuum hoses to ~vacuum pipe