Intake Manifold: Removal
WARNING: This page is about a different car, the 2007 Lexus GS 430. However, it is still accessible from the selected car via links, so may be relevant.
- DISCHARGE FUEL SYSTEM PRESSURE (See INSTALLATION )
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
- DRAIN ENGINE COOLANT (See COOLANT )
- REMOVE V-BANK COVER ASSEMBLY
- Remove the 2 nuts and cover.
- REMOVE COOL AIR INTAKE DUCT SEAL (See REMOVAL )
- REMOVE AIR CLEANER INLET
- Remove the bolt and inlet.
- REMOVE ENGINE ROOM SIDE COVER RH (See FUEL PUMP CONTROL CIRCUIT )
- REMOVE ENGINE ROOM SIDE COVER LH (See FUEL PUMP CONTROL CIRCUIT )
- REMOVE INTAKE AIR CONNECTOR PIPE (See INSPECTION PROCEDURE )
- REMOVE THROTTLE BODY ASSEMBLY (See INSPECTION PROCEDURE )
- REMOVE NO. 4 V-BANK COVER BRACKET
- Disconnect the connector as shown in A in the illustration below.
- Remove the bolt and bracket.
- REMOVE V-BANK COVER BRACKET
- Remove the bolt and bracket as shown in B in the illustration below.
- REMOVE VACUUM SWITCHING VALVE ASSEMBLY (for EVAP)
- Disconnect the connector from the VSV, as shown in C in the illustration below.
- Disconnect the vacuum hose from the VSV, as shown in C in the illustration below.
- Remove the bolt and VSV as shown in C in the illustration below.
- REMOVE NO. 2 V-BANK COVER BRACKET
- Remove the bolt and bracket from the intake manifold, as shown in D in the illustration below.
- REMOVE NO. 3 V-BANK COVER BRACKET
- Disconnect the connector as shown in E in the illustration below.
- Remove the bolt and bracket as shown in E in the illustration below.
- DISCONNECT ENGINE WIRE
- Remove the 3 bolts and disconnect the engine wire protector (LH side) from the intake manifold upper and camshaft bearing cap.
- Disconnect the 2 wire clamps on the engine wire (RH side) from the brackets on the RH delivery pipe.
- Remove the 2 bolts and disconnect the engine wire protector (rear side) from the rear water bypass joint and RH cylinder head.
- DISCONNECT NO. 2 FUEL PIPE SUB-ASSEMBLY
FU-1
- REMOVE INTAKE MANIFOLD SUB-ASSEMBLY
- Disconnect the 8 injector connectors.
- Remove the 6 bolts, 4 nuts, intake manifold and 2 gaskets.