Intake manifold (Renault Espace III)

Removal

• Disconnect the cable from the negative battery terminal.
• Remove 4 screws and remove the top cover of the engine protective casing.
• Remove the plastic wiring harness retainer on the engine lifting eye.
• Disconnect the electrical wires and all tubes from the two holders of the protective cover
• Remove 2 screws and two holders.
• Disconnect the spark plug wires from the front cylinder head and move them to the rear.
• Remove the bolts, disconnect the ground wires, then remove the two plastic spacers.
• Remove 4 bolts and high voltage wire bracket.
• Remove the air filter air intake pipe.
• Disconnect the tube located between the idle air control valve and the air cleaner.
• Disconnect the tube from the absolute pressure sensor.
• Disconnect the oil vapor drain pipe.
• Disconnect the vacuum line from the regulator and the canister purge valve.
• Disconnect the vacuum hose from the brake booster.
• Disconnect the connector from the air flow sensor on the throttle body.
• Disconnect the connector from the idle air control valve.
• Disconnect the connectors from the potentiometer and crankshaft speed sensor.
• Remove the fuel supply and return line mounting bracket from the cylinder head.
• Disconnect the feeder (green mark) and returnable (red mark) fuel lines.
• Disconnect the wires from the fuel injectors.
• Remove the two bolts securing the damper-fuel pressure regulator assembly to the manifold, then remove the two heat-insulating spacers between the damper and the regulator.
• Remove the four bolts securing the two fuel distribution lines to the manifold, then remove the heat-insulating spacers
• Remove the fuel distribution line - damper - pressure regulator assembly.
• Disconnect the accelerator cable and cruise control linkage.
• Remove the four manifold mounting bolts on the cylinder head.
• Remove the manifold-throttle assembly by moving it forward.

Installation

• Installation is carried out in the reverse order of removal.
• Replace the manifold gaskets with new ones.
• Pay special attention to the exact installation location and correct connection of all air ducts and connectors.
• Check the correct installation of the heat-insulating spacers at each attachment point of the fuel distribution lines and the fuel pressure damper-regulator unit.