RX 300 FWD V6-3.0L (1MZ-FE) (1999)
1. DRAIN ENGINE COOLANT
2. DISCONNECT ACCELERATOR CABLE
3. DISCONNECT THROTTLE CABLE
4. REMOVE AIR CLEANER HOSE
a. Disconnect the PCV hose.
b. Loosen the 2 hose clamps, and remove the air cleaner hose.
5. REMOVE THROTTLE BODY
a. Disconnect the throttle position sensor connector.
b. Disconnect the IAC valve connector.
c. Disconnect these hoses:
1. Water bypass hose (from intake manifold)
2. Water bypass hose (from water inlet housing)
3. Air assist hose
d. Remove the 2 bolts, 2 nuts,throttle body and gasket.
HINT: At the time of installation, please refer to the following items. Place a new gasket on the air intake chamber.