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Home >> Mercury >> 1990 >> Cougar LS >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> 3.8L SC PFI Throttle Body Assembly R & I

3.8L SC PFI Throttle Body Assembly R & I

Partially drain cooling system. Remove throttle intake air tube. Disconnect coolant hoses from throttle body. Disconnect throttle cable, electrical connectors from throttle body. Remove 4 throttle body retaining nuts. Remove throttle body. To install, clean all gasket surfaces. Install new gasket and throttle body. To complete installation, reverse removal procedure. Top off coolant. Start engine. Check for leaks and proper operation.