How Do You Replace The Throttle Body In A Chevy Impala?
The Chevy Impala made its debut in 1958 as “a prestige car within the reach of the average American.” Chevy re-introduced the Impala in the mid-1990s as a family sport sedan with a Corvette-derived engine and classy monochromatic color scheme. The following details for the installation of a new throttle body on the 1985 Impala specifically. Other engine offerings in other model years may require slightly different procedures. Relieve the pressure in the fuel system, taking care not to spill or spray gasoline. Disconnect the battery ground cable. Take the THERMAC hose off the engine fitting and then lift off the air cleaner. Label and disconnect all the electrical connectors from the idle air control (IAC) valve, the throttle position sensor (TPS) and the fuel injectors. Disengage the throttle linkage, the return springs and the cruise control cable. Tag each of the vacuum hoses that runs from the throttle body and then disconnect them. Label and disconnect the fuel supply and return li
