Removal
4GR-FSE FUEL: FUEL PUMP (for High Pressure): REMOVAL
1. PRECAUTION (w/ Navigation System for HDD)
NOTICE:
After the engine switch is turned off, the display and navigation module display (HDD navigation system) records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) battery terminal.
2. DISCHARGE FUEL SYSTEM PRESSURE
HINT
Service Precautions.
3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
4. REMOVE INTAKE MANIFOLD
HINT
Removal.
5. DISCONNECT WATER HOSE JOINT Removal
6. REMOVE FUEL PRESSURE PULSATION DAMPER ASSEMBLY Removal
7. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY Removal
8. DISCONNECT NO. 2 FUEL PIPE SUB-ASSEMBLY
(a) Disconnect the fuel high pressure side fuel pump connector.
(b) Secure 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.
NOTICE:
* 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.
(c) Remove the 2 bolts on the delivery pipe side.
NOTICE:
* 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.
9. REMOVE FUEL PUMP ASSEMBLY
(a) Disconnect the fuel hose.
(b) Remove the 2 nuts, fuel pump and fuel pump insulator.