Removing
Caution: When removing the carburetor, fuel may spill out. Fuel vapors are poisonous and flammable, so the workplace must be well ventilated. Avoid skin contact with fuel. Put on gloves. Don't light a fire. Fire hazard!
Disconnect the earth cable from the battery. Attention: This erases data in the electronic memory, such as the engine fault memory or the radio code. Disconnect the battery only when the ignition is switched off, otherwise the control unit for the fuel injection device may fail. Before disconnecting the battery, read the instructions in sections "Radio" And "Removing and installing the battery".
Remove the air filter see point 6.6.
Drain the coolant see point 3.3.
Disconnect the coolant hose -2- by first loosening the clamp and sliding it back
Disconnect the throttle cable and control cable (with automatic transmission). Before this, mark the position of the cable sheaths at the clamps with a felt-tip pen. Attention: The throttle cable must not have fractures, otherwise it will break during operation. Broken cables must be replaced.
Disconnect the vacuum hoses from the carburetor body and mark their installation position with adhesive tape.
Disconnect electrical wires and mark them with adhesive tape.
Disconnect and plug the fuel supply hose. A clean screw of a suitable diameter can be used for plugging.
Loosen the carburetor mounting screws and remove the carburetor.
Remove the intake manifold heater with carburetor gaskets.
Attention: When removing the heater, do not pull the wiring harnesses from below or from above and do not apply too much pressure on the contacts.
Cover the intake manifold with a clean cloth to prevent dirt from getting into it.
Installation
Remove rag.
conventional carburetor: 1 - Gas cable; 2 - Coolant hose; 3 - Vacuum hose; 4 - Vacuum hose. Only with automatic transmission; 5 - Fuel supply hose; 6 - Fuel cut-off connector; 7 - Intake manifold heating connector; 8 - Control cable. Only with automatic transmission.; 9 - Carburetor; 10 - Gasket; 11 - intake manifold heater; 12 - Gasket
Insert 2 guide pins into the 2 diagonally opposite threaded holes in the intake manifold. 2 old carburetor screws can be used as guide pins. To do this, you need to saw off the heads and saw through the slot for a narrow screwdriver. The guide pins are required for the correct installation of the metal spacer -10-.
Place the synthetic gasket -12- on the intake manifold through the guide pins, then the metal gasket -10- and finally the carburetor housing -9-.
Insert the carburetor mounting screws into the 2 free holes and tighten them by hand.
Unscrew the guide pins and hand tighten the 2 remaining carburetor mounting screws.
Tighten the carburetor mounting screws crosswise to 10 Nm.
Connect the vacuum hoses to the carburetor body in accordance with the markings made during removal.
Connect the fuel hose and secure with a clamp.
Connect the throttle cable and cold start control cable. Connect the cable sheaths according to the markings made.
Connect electrical wires.
Connect the coolant hose and secure with a clamp.
Install the air filter see point 6.6.
Connect ground cable to battery.
Fill in coolant see point 3.3.
If they are available, set the time on the clock and enter the security code into the radio.
Check idle speed and CO content, adjust if necessary.