Intake & Exhaust Manifolds: Removal
- Disconnect battery ground cable, then remove air bellows from CI unit to intake manifold. Disconnect PCV hoses at intake manifold and flame arrester. Disconnect vacuum pump hose at intake manifold. Disconnect diverter valve hoses. Disconnect air pump with tensioner and position to one side.
- Disconnect the following fuel lines: control pressure regulator (one hose), cold start injector (one hose), distributor pipe to engine (two hoses) front fuel filter to engine (two hoses), and injector hoses (four hoses). Disconnect wiring at control pressure regulator, cold start injector, and auxiliary air valve.
- Remove air injection pipe. Disconnect throttle cable from intake manifold. Disconnect charcoal canister hoses and EGR valve hose from intake manifold. Remove intake manifold brace, attaching nuts, and intake manifold. Disconnect transmission fill pipe from flywheel housing (automatic transmissions only). Remove attaching nuts and exhaust manifold.