Toyota Camry manuals

Toyota
Toyota Camry
 Service Manual
Engine control system
Knock (1MZ−FE/3MZ−FE)

REPLACEMENT

  1. DISCHARGE FUEL SYSTEM PRESSURE

  2. DRAIN ENGINE COOLANT

  3. REMOVE V−BANK COVER SUB−ASSY

  4.  REMOVE AIR CLEANER CAP SUB−ASSY

  5. REMOVE EMISSION CONTROL VALVE SET

  6. REMOVE INTAKE AIR SURGE TANK

  7. REMOVE INTAKE MANIFOLD

a. Disconnect the fuel pipe No. 1.

  1. Remove the fuel pipe clamp.

  2. Pinch the tube connector and then pull out the fuel pipe No. 1.

NOTICE:

NOTICE:

  • Check the connector for dirt, mud or other contamination. Clean if necessary.

  • Be sure to keep the tube connector, pipe and O−ring clean. They can become contaminated easily.

  • Do not use tools when disconnecting the fuel pipe.

  • Do not bend or twist the nylon tube. Protect the connector by covering it with a vinyl or plastic bag.

  • When the pipe and the connector are stuck, push and pull the connector to release it. Then pull the connector out carefully.

  1. Lock the hose clamp, as shown in the illustration.

  2. Disconnect the heater inlet water hose.

  1. Remove the nut and disconnect the ground cable.

  2.  Disconnect the 6 fuel injector connectors.

  1. Loosen and remove the intake manifolds 9 bolts and 2 nuts little by little in the numerical order shown in the illustration.

  2. Remove the intake manifold.

NOTICE: Fully removing each bolt and nut one by one may damage the intake manifold, bolts and nuts.

8. REMOVE WATER OUTLET

8. REMOVE WATER OUTLET

a. Disconnect the radiator hose inlet.

  1.  Disconnect the ECT connector.

  2.  Remove the clamp.

  3. Remove the 2 bolts, 2 nuts and 2 washers.

  4.  Lock the hose clamp as shown in the illustration. Then remove the water outlet together with the water bypass hose No. 1.

  5. Remove the 2 gaskets from the 2 cylinder heads.

9. REMOVE KNOCK  (1MZ−FE ENGINE TYPE)

9. REMOVE KNOCK (1MZ−FE ENGINE TYPE)

  1. Disconnect the 2 knock connectors.

  2.  Using SST, remove the 2 knock s.

    SST 09249−63010, 09816−30010


Remove knock (1MZ-FE engine type

10. REMOVE KNOCK (3MZ−FE ENGINE TYPE)

  1. Disconnect the 2 knock connectors.

  2.  Remove the 2 nuts and 2 knock s.


Remove knock (3MZ-FE engine type)

11. INSTALL KNOCK (1MZ−FE ENGINE TYPE)

  1. Using SST, install the 2 knock s.

    SST 09249−63010, 09816−30010 Torque: 39 Nm (398 kgfcm, 29 ftlbf)

  2.  Connect the 2 knock s.

 Install knock  (1MZ-FE engine type)  Install knock (1MZ-FE engine type)

12. INSTALL KNOCK (3MZ−FE ENGINE TYPE)

  1. Install the 2 knock s with the 2 nuts, as shown in the illustration.

    Torque: 20 Nm (199 kgfcm, 14 ftlbf)

  2.  Connect the 2 knock connectors.

13. INSTALL WATER OUTLET

  1.  Install 2 new gaskets to the 2 cylinder heads.

  2. Install the water outlet together with the water bypass hose No. 1 and unlock the hose clamp.

  3. Tighten the 2 bolts, 2 nuts and 2 washers.

    Torque: 15 Nm (153 kgfcm, 11 ftlbf)

  4. Install the clamp.

  5. Connect the ECT connector.

  6. Connect the radiator hose inlet.

14. INSTALL INTAKE MANIFOLD

14. INSTALL INTAKE MANIFOLD

a. Tighten the intake manifoldss 9 bolts and 2 nuts little by little in the numerical order shown in the illustration.

Torque: 15 Nm (153 kgfcm, 11 ftlbf)

NOTICE: In this case, fully tightening one of these bolts or nuts without partially tightening the other bolts or nuts in the group may damage the intake manifold, bolts and nuts.

  1.  Retighten the water outlet mounting bolts and nuts.

    Torque: 15 Nm (153 kgfcm, 11 ftlbf)

  2. Install the ground cable with the nut.

    Torque: 8.4 Nm (86 kgfcm, 74 in.lbf)

  3. Connect the heater inlet water hose.

e. Connect the fuel pipe No. 1.

e. Connect the fuel pipe No. 1.

1. Push the quick connector into the pipe until it makes click sound.

NOTICE:

  • Check if there is any damage or contamination on the connected part.

  • After connecting, confirm that the connector and pipe are securely connected by trying to pull them apart.

2. Install the fuel pipe clamp.

  1. INSTALL INTAKE AIR SURGE TANK

  2. INSTALL EMISSION CONTROL VALVE SET

  3. INSTALL AIR CLEANER CAP SUB−ASSY

  4. CHECK CONNECTION OF VACUUM HOSE

  5. ADD ENGINE COOLANT

  6. CHECK FOR ENGINE COOLANT LEAKS

  7. CHECK FOR FUEL LEAKS

  8. INSTALL V−BANK COVER SUB−ASSY

    More about Engine control system:

    SFI system (2AZ−FE)

    Accelerator pedal assy (2AZ−FE)

    SFI system (1MZ−FE/3MZ−FE)

    Throttle body assy (1MZ−FE/3MZ−FE)

    SFI system (2AZ−FE)

    Knock (1MZ−FE/3MZ−FE)

    ECM (1MZ−FE/3MZ−FE)

    Accelerator pedal assy (1MZ−FE/3MZ−FE)

    Throttle body assy (2AZ−FE)

    Knock (2AZ−FE)

    ECM (2AZ−FE)

    Toyota Camry Service Manual / Engine control system / Knock (1MZ−FE/3MZ−FE)

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