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Home >> Fiat >> 1978 >> 128 Base, 2D Sedan >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 128 & X1/9 4 Cylinder >> Engine, Cylinder Head & Manifolds >> Engine >> Model X1/9

Model X1/9

  1. Disconnect battery cables and loosen fuel cap to vent fuel tank. Drain complete cooling system. Disconnect hoses from air injection valve and air cleaner, then disconnect fresh air duct from fan. Remove air cleaner assembly with fresh air duct.
  2. Disconnect hoses from air pump, then separate heater return hose at coupling joint and heater hose at pump. Disconnect wires from alternators. Remove bolts holding louvered protection panel below carbon trap in rear firewall.
  3. Disconnect choke linkage, hoses and wires from carburetor. Disconnect electrical leads from distributor, oil pressure switch, water temperature sending unit and starter.
  4. Remove clamp holding fuel lines to firewall and disconnect fuel lines from firewall. Disconnect accelerator cable from support. Remove cooling system expansion tank and disconnect hoses from thermostat. Disconnect clutch master cylinder from transmission and swing out of way.
  5. Raise and support vehicle with safety stands. Remove remaining bolt attaching louvered panel in rear firewall, then remove panel. Remove alternator heat shield, engine panels and wheel panels. Drain transmission and differential assembly. Disconnect back-up light and seat belt interlock connectors, then remove clamps to allow wires to come out with engine. Disconnect speedometer cable and gearshift linkage from transmission.
  6. Disconnect ground strap at engine, then remove muffler and muffler upper bracket. Remove axle boot retaining bolts and slide boots away from differential.
  7. Remove nuts securing hand brake cable brackets to control arms. Remove bolts attaching control arms to body and swing arms down out of brackets.
    NOTE: Record number of shims at control arm mounting points for installation purpose.

    Move control arms away from differential until axles are free of differential.

  8. Remove lower crossmember attaching bolts and remove crossmember. From above engine, disconnect reaction arm from bracket on engine, then remove front engine mount through bolt. Remove engine and transmission assembly from bottom of vehicle. Separate transmission and differential from engine.
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