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HOMESERVICE MANUALSSATURN2000SC1 AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICAL1.9L 4-CYLINDERREMOVAL & INSTALLATIONINTAKE MANIFOLDREMOVAL (DOHC)
2000 Saturn SC1 Automatic

Removal (DOHC)

2000 Saturn SC1 AutomaticSECTION Removal (DOHC)
    NOTE: Installation of wood block prior to upper engine torque axis mount removal, allows mount to be easily removed without lifting or jacking of powertrain.
  1. Disconnect negative battery cable. Raise vehicle. Drain coolant. Place a 1"x 1" x 2" block of wood between torque strut and engine cradle. See Figure. Remove bottom intake manifold brace bolt. Lower vehicle. Remove air cleaner assembly. Disconnect air temperature sensor. Remove PCV valve hose.
  2. Release fuel pressure. See FUEL PRESSURE RELEASE . Disconnect fuel supply and return lines. Disconnect throttle cable from throttle body. Remove throttle cable bracket. Remove vacuum harness from throttle body.
  3. Disconnect engine wiring harness from fuel injectors, Throttle Position (TP) sensor, Idle Air Control (IAC), Manifold Absolute Pressure (MAP) sensor and EGR valve. Remove wiring harness from front of dash. Disconnect heater and deareation hoses at intake manifold outlets. Remove power steering brace. Remove fuel rail. Disconnect EGR pipe from cylinder head. Disconnect vacuum hose. Remove accessory drive belt.
  4. Remove power steering pump assembly with support bracket. Remove 3 right side upper engine torque axis mount-to-front cover nuts and 2 mount-to-midrail bracket nuts, allowing engine to rest on wood block. Remove torque axis mount. Remove transaxle strut-to-midrail bolt. Rotate engine forward and secure engine with tie strap or wire. Remove intake manifold bolts, and remove intake manifold assembly.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.