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PDF 1989 Toyota 4Runner Overhaul Manual And Installation

1989 Toyota 4Runner Overhaul Manual And Installation. Removal, overhaul and installation procedures (when given by manufacturer) are covered in this section. If component removal and installation is primarily an unbolt and bolt on procedure, a simple tightening specification will be suspected. Drain cooling system. Disconnect air intake hose. Disconnect emission control hoses from air cleaner. Remove air cleaner mounting bolt and wing nut. Remove air cleaner. Disconnect accelerator cable. Disconnect throttle cable (A/T). Disconnect carburetor wiring connector. Disconnect emission control hoses and tag for installation. Disconnect fuel inlet hose. Remove 4 carburetor mounting nuts and No. 1 vacuum pipe. Remove carburetor. Remove air cleaner setting bolt. Remove fuel pipe clamp, union, fuel pipe and gaskets. Remove vacuum hoses. Remove pump and pivot screw and pump arm with connecting link. Disconnect choke link and choke opener link. Remove 8 air horn screws and number plate, fuel pipe support and wire clamps. Remove air horn from carburetor body. Disconnect wiring from solenoid valves. Remove float pivot pin, float and needle valve assembly. Remove air horn gasket, needle valve seat and gasket, power piston retainer, power piston and spring. Remove pump plunger and boot. See Fig. 2.Remove pump dampening spring. Using tweezers, remove plunger retainer and check ball. Disconnect throttle positioner link and throttle position levers, washer and spring. Remove primary and secondary main passage plugs and gaskets. Remove primary and secondary main jets and gaskets.

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