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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Nissan Sunny (from 1991 to 1997, the year of issue)

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Nissan Sunny
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Throttle Body
Elements of the fuel injection system (engines of 1.6 liters)
Elements of the fuel injection system (engines of 2.0 liters)
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Throttle Body



Fixing bolts of the throttle body dressed with an engine capacity of 1.6 liters

Fixing screws - are indicated by arrows

Withdrawal

PERFORMANCE ORDER
Models with engine capacity of 1.6 liters
1. Disconnect the negative battery terminal.
2. Remove the air filter housing, the instructions given in Section 6.3.2.2.
3. Squeeze the retaining clips and disconnect sockets of connection from the throttle potentiometer, the additional air valve, air flow sensor and solenoid valve to increase the speed of the engine at idle.
4. Disconnect the accelerator cable from the throttle cam. Loosen the lock nut and adjusting nut and remove the cable sheath from the mounting bracket.
5. Remember or mark position of installation of the vacuum and air hoses to connect them correctly when installing the throttle body, then, release fixing collars (where fitted) and disconnect the hoses from the throttle body.
6. Release fixing clamps, then disconnect the coolant hoses on both sides of the throttle body hoses and plug the holes. Do it quickly in order to minimize the loss of coolant.
7. Unscrew and remove the mounting screws that hold the throttle body to the intake manifold, and remove the throttle body from the car. Peel off the pad and throw it away; At installation use a new one. Plug the hole of an inlet collector with a clean cloth so that it no dirt or foreign objects.
Models with engine capacity of 2.0 liters
8. Release the fastening clamp and disconnect the air inlet duct from the throttle body.
9. Disconnect the connection of the throttle potentiometer.
10. On models "Phase I" gently disconnect the connecting rod mechanism of the accelerator by a ball joint on the throttle body.
11. On models "Phase II" disconnect accelerator cable from the throttle cam. On models with automatic transmission, also disconnect the cable downshift.
12. All models release fixing collars, disconnect the coolant hoses from the throttle body and plug the holes with hoses. Do it quickly in order to minimize the loss of coolant.
13. On all models, remember or mark position of installation of the vacuum and air hoses to connect them correctly when installing the throttle body, then, release fixing collars (where fitted) and disconnect the hoses from the throttle body.
14. If necessary, remove the intake manifold bracket to gain access to the bolts fastening the throttle body.

15. Unscrew and remove the mounting screws that hold the throttle body to the intake manifold, and remove the throttle body from the car. Peel off the pad and throw it away; At installation use a new one. Plug the hole of an inlet collector with a clean cloth so that it no dirt or foreign objects.


Setting

PERFORMANCE ORDER
1. Installation is spent upside-down removals. Before installing, make sure that the mating surfaces of the throttle body and intake manifold are clean and neat.
2. Install a new gasket to the intake manifold. Install the throttle body to the intake manifold, then diagonally tighten all the mounting bolts to the required torque step 1, then tighten to the required torque step 2 (see. Subsection 6.3.2.1).
3. Check that all the hoses have been correctly installed and, if necessary, secure them with cable ties;
4. After installation, adjust the cable accelerator, the instructions given in section 6.3.2.3.
5. On models with automatic transmission downshifts adjust the rope to the instructions given in section 9.2.4.




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Elements of the fuel injection system (engines of 1.6 liters)

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