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Home >> Toyota >> 1988 >> 4Runner Base, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.4L 4-CYL & 2.4L 4-CYL Turbo - VIN [R] >> Removal & Installation >> Cylinder Head >> Removal

Cylinder Head: Removal

  1. Disconnect negative battery cable. Drain engine oil and cooling system. Disconnect front exhaust pipe. On turbocharged models, remove turbocharger assembly. Remove air cleaner. Remove and label all hoses and linkages to intake manifold, carburetor (or air intake chamber on fuel injection) and cylinder head.
  2. Disconnect upper radiator and heater hoses from cylinder head. Remove water by-pass tube bolts. Disconnect and label all electrical wiring, fuel lines, and vacuum hoses from cylinder head. On carbureted models, remove fuel pump from cylinder head. Remove distributor with cap and wires.
  3. Remove power steering pump and set aside (if equipped). On fuel injected vehicles, remove EGR modulator with bracket and air intake chamber with throttle body. See Figure. Disconnect and label all fuel injection wiring and linkages for reassembly reference.
  4. Remove valve cover. Set No. 1 piston to TDC on compression stroke. Paint mating marks on camshaft sprocket and timing chain. Remove rubber half circle seal and cam sprocket retaining bolt.
  5. Pull distributor drive gear and cam thrust plate off sprocket. Remove sprocket from camshaft. Allow sprocket and chain to rest in cylinder head. Remove chain cover bolt in front of camshaft sprocket.
  6. Loosen cylinder head bolts, in 3 steps, in reverse order of tightening sequence. See Figure. Remove rocker arm assembly. If necessary, pry equally at front and rear of rocker arm assembly to remove.
  7. Lift head from dowels on block and set on wood blocks on work bench. If difficult to remove, carefully pry with flat bar between cylinder head and block projection. Remove EGR valve, intake and exhaust manifolds.
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