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Home >> Jeep >> 1990 >> Cherokee Laredo, 2D Utility, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L 6-CYL - VIN [L] & 4.2L 6-CYL - VIN [T] >> Removal & Installation >> Intake & Exhaust Manifold >> Removal (4.2L)

Removal (4.2L)

  1. Remove air cleaner. Disconnect fuel line. Mark and disconnect all vacuum hoses, ventilation hoses and electrical connectors at intake manifold.
  2. Disconnect throttle cable at bellcrank. On A/T models, disconnect throttle valve rod. On all models, remove PCV hose from manifold. Drain cooling system. Remove coolant hoses from intake manifold.
  3. Remove EGR tube fittings from manifolds. Remove power steering pump and mounting bracket (if equipped). Wire power steering pump out of work area. DO NOT drain power steering fluid. Remove A/C compressor and mounting brackets (if equipped). Wire A/C compressor out of work area. DO NOT discharge system.
  4. Remove intake manifold bolts. Remove intake manifold. If exhaust manifold requires removal, disconnect exhaust pipe from manifold. Remove oxygen sensor. Remove exhaust manifold.
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