Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Toyota Prius TwoFACTORY OEM SERVICE PROCEDURE
Fuel Pump: Removal: Removal
- REMOVE REAR SEAT CUSHION ASSEMBLY . Refer to REMOVAL - Step 1
- REMOVE REAR FLOOR SERVICE HOLE COVER
- Remove the rear floor service hole cover.
- Disconnect the fuel pump connector.
- DISCHARGE FUEL SYSTEM PRESSURE
Refer to PRECAUTION
- REMOVE REAR NO. 2 FLOOR BOARD (for Separate Type) . Refer to REMOVAL - Step 1
- REMOVE REAR DECK FLOOR BOX . Refer to REMOVAL - Step 2
- REMOVE REAR NO. 3 FLOOR BOARD . Refer to REMOVAL - Step 3
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
- REMOVE FUEL TANK MAIN TUBE SUB-ASSEMBLY
- Remove the tube joint clip and disengage the fuel tank main tube clamp, then pull the fuel tube joint out of the plug of the fuel suction tube assembly.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TEXT IN ILLUSTRATION*1 Tube Joint Clip *2 Fuel Tank Main Tube Clamp *3 Fuel Tube Joint *4 O-ring NOTE:- Check that there is no dirt or other foreign matter around the fuel tube joint before disconnecting it. Clean the joint if necessary.
- It is necessary to prevent dirt or foreign matter from entering the joint. If dirt or foreign matter gets in the joint, the O-rings may not seal properly.
- Only disconnect the joint by hand.
- Do not bend, kink or twist the nylon tubes.
- Protect the contact surfaces by covering them with plastic bags.
- Remove the tube joint clip and disengage the fuel tank main tube clamp, then pull the fuel tube joint out of the plug of the fuel suction tube assembly.
- REMOVE FUEL PUMP GAUGE RETAINER
- Temporarily install the SST plate and claws to the fuel pump gauge retainer.TEXT IN ILLUSTRATION
*1 SST
(Plate)*2 SST
(Claw)- SST: 09808-14030
- 09808-01030
- 09808-01040
- 09808-01050
HINT:
- Engage the SST claws securely with the fuel pump gauge retainer holes to secure SST.
- Make sure that only 2 claws are used with SST.
- SST: 09808-14030
- While pressing the claws of SST to the fuel pump gauge retainer holes securely, tighten the bolts.
HINT:
Install SST while pressing the SST claws toward the fuel pump gauge retainer (towards the center of SST).
- Install the SST handle.
- Lightly press down on SST to prevent it from separating from the retainer. While pressing SST, rotate the handle slowly to loosen the retainer.TEXT IN ILLUSTRATION
*1 SST
(Handle)*2 SST
(Plate)*3 SST
(Claw)- SST: 09808-14030
- 09808-01010
- 09808-01020
- 09808-01030
- 09808-01040
- 09808-01050
NOTE:- Do not use any tools other than specified in this operation. Damage to the fuel pump gauge retainer or the fuel tank may result.
- Loosen the retainer by turning it counterclockwise while holding SST down. Do not allow the claw of the tank suction tube support to slip out of its groove on the fuel tank.
- Make sure to rotate the SST handle horizontally. If the SST handle is rotated at an angle, SST may come off.
- Do not spin SST too fast or use an impact wrench as this may result in damage to components.
- If SST comes off of the retainer, loosen the SST bolts and reinstall SST.
HINT:
The holes on the fuel pump gauge retainer can be fitted into the tips of SST.
- SST: 09808-14030
- Remove the fuel pump gauge retainer while holding the fuel suction tube assembly by hand.
- Temporarily install the SST plate and claws to the fuel pump gauge retainer.
- REMOVE FUEL SUCTION TUBE ASSEMBLY WITH PUMP AND GAUGE
- Remove the fuel suction tube assembly with pump and gauge from the fuel tank.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
