2007 Lexus is350

High pressure pump

REMOVAL
REMOVE COOL AIR INTAKE DUCT SEAL
REMOVE ENGINE ROOM SIDE COVER LH
REMOVE ENGINE ROOM SIDE COVER RH
REMOVE V-BANK COVER SUB-ASSEMBLY
REMOVE FRONT UPPER FENDER PROTECTOR LH
REMOVE FRONT UPPER FENDER PROTECTOR RH
HINT: Removal procedure of the RH side is the same as that of the LH side.

REMOVE ROOF DRIP SIDE FINISH MOULDING LH
REMOVE ROOF DRIP SIDE FINISH MOULDING RH
HINT: Removal procedure of the RH side is the same as that of the LH side.

REMOVE FRONT WIPER ARM HEAD CAP
REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH
REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH
REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
DISCHARGE FUEL SYSTEM PRESSURE
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
DRAIN ENGINE COOLANT
DISCONNECT NO. 2 VENTILATION HOSE
REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE
REMOVE THROTTLE WITH MOTOR BODY ASSEMBLY
REMOVE INTAKE AIR SURGE TANK
REMOVE INTAKE MANIFOLD
DISCONNECT WATER HOSE JOINT
REMOVE FUEL PRESSURE PULSATION DAMPER
REMOVE NO. 1 FUEL PIPE
DISCONNECT NO. 2 FUEL PIPE
Disconnect the fuel high pressure side fuel pump connector.
Fix the union bolt on the fuel pump side in place with a 21 mm wrench. Using a 19 mm union nut wrench, loosen the union and remove the fuel pipe.
NOTE
There must be absolutely no free play in the union on the fuel pump side.
If the union on the fuel pump side has free play, replace the fuel pump.
Remove the 2 bolts on the delivery pipe side.
NOTE
Do not remove the fuel pipe from the delivery pipe. Only remove the 2 bolts.
If the No. 2 fuel pipe is accidentally removed, replace its O-ring, No. 1 backup ring and No. 2 backup ring.
REMOVE FUEL PUMP ASSEMBLY
Disconnect the fuel hose.
Remove the 2 nuts, fuel pump and fuel pump insulator.