Genuine Mitsubishi Lancer Throttle Body

Mitsubishi Lancer Throttle Body Parts Questions & Experts Answers

• Throttle Body
  MN135985
  Q: How to adjust and reinstall the throttle stop screw and throttle body on 1.5 litre and 2.4 litre on Mitsubishi Lancer?

  A:

  On 1.5 litre models, a factory set throttle stop screw is supplied, which is not supplied on other models. Typically, you should not have to make any adjustment to this screw. If it has been disturbed, however, first loosen the locknut and unscrew the throttle stop screw until it no longer touches the throttle lever. Now, turn the screw until it makes just contact with the lever. Turn in a further 1 ¼ turns, holding this in place tighten the locknut up securely. To remove and install, loosen the hose clamps and detach the air inlet hose, the resonator (if fitted) between the throttle body and air cleaner. For the throttle position sensor and ISC motor, disconnect the wiring. For the 2.4 litre models, disconnect the throttle control motor wiring connector. Remove the coolant and vacuum hoses from the throttle body and seal the coolant hoses to prevent dirt entry and coolant loss. Open the throttle lever manually if it is suitable then disconnect the inner Throttle Cable. To remove throttle body from the plenum chamber, undo the retaining bolts noting the direction of installation of the gasket. Discard the gasket. Remove ISC body from throttle body by unscrewing the retaining screws on all but the 2.4 litre models. Use throttle body or carburetor cleaner to clean the throttle body thoroughly, especially the throttle valve and idle passages, avoiding the ISC body to avoid damaging the wax pellet inside. Prevent the cleaner from entering the throttle shaft bearings and for 2.4 litre models also ensure the cleaner does not flow towards the throttle control motor. Operate throttle lever and check smooth working, whether it closes completely without sticking when released, lubricate throttle shaft with a small quantity of machine oil. The installation is a reversal of the removal. Ensure that the mating faces of the plenum chamber, throttle body and ISC body, are free of old gasket material. If necessary, install a new gasket and secure the ISC body to the throttle body by tightening the retaining screws. Using a new gasket in the noted position, install the throttle body to the plenum chamber and tighten the retaining bolts to the specified torque. For all models except those with a 2.4 litre engine, pull the throttle lever by hand and connect the inner throttle cable. Reconnect the vacuum and coolant hoses to the throttle body. Also, connect the wiring to the throttle position sensor and ISC motor or throttle control motor. Ensure the throttle cable and coolant level is adjusted and topped up as necessary.