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Home >> Jeep >> 1987 >> Cherokee Limited >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L 6-CYL - VIN [M] & 4.2L 6-CYL - VIN [C] >> Removal & Installation >> Intake & Exhaust Manifold (4.2L) >> Removal - 4.2L

Removal - 4.2L

  1. Remove air cleaner and disconnect fuel line at carburetor. Label and disconnect all vacuum hoses, ventilation hoses and electrical connectors at carburetor.
  2. Disconnect throttle cable at bellcrank. If equipped, disconnect throttle valve rod. Detach PCV hose and heater wire from manifold. Drain radiator and disconnect coolant hoses from intake manifold.
  3. Remove vacuum hoses from ported vacuum switch and EGR valve. Disconnect vacuum hose at diverter valve and remove EGR tube fittings from manifolds.
  4. Separate air injection hoses manifold check valve from air pump. Remove assembly with diverter valve attached and remove air pump. Remove power steering pump with hoses and position aside (if equipped).
  5. Remove drive belt idler pulley (if equipped). Disconnect exhaust pipe from manifold. Remove oxygen sensor (if equipped). Remove manifolds.
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