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Illustration #765

Remove the air cleaner: on some cars there may be pipes from the emission-control system fixed to the underside of the casing. Disconnect the plug leads by pulling the caps, not the easily damaged leads. Disconnect the fuel supply from the carburettor, plugging the pipes with rubber bungs or old pencils to stop fuel running out. Also disconnect throttle and choke cables, and all vacuum or emission-control pipes on the carburettor and manifold. Disconnect the exhaust pipe from the manifold; support the pipe if there is a risk of straining its mountings. Drain the coolant by opening the radiator and cylinder-block drain plugs, if any, or by taking off the bottom radiator hose; then disconnect the top hose.