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Home >> Jeep >> 1990 >> Cherokee Base, 2D Utility, 2.5 E, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Throttle Body (2.5L) R & I >> Removal
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Throttle Body (2.5L) R & I: Removal

  1. Disconnect negative battery cable. Disconnect vacuum hoses from throttle body upper bonnet. Release bonnet retaining clips and remove upper bonnet. Remove lower bonnet retaining bolts and lower bonnet. Disconnect Idle Speed Actuator (ISA) motor.
  2. Disconnect fuel supply and return tubes from throttle body. Remove throttle cable and return spring. Disconnect wire harness connector from injector. Identify and tag vacuum hoses at back of throttle body for installation reference.
  3. Disconnect vacuum tubes from throttle body. Disconnect Throttle Position Sensor (TPS) and Wide Open Throttle (WOT) switch connectors (if equipped). Remove throttle body mounting nuts. Remove throttle body. Clean intake manifold and throttle body mating surfaces of old gasket material and grime.
NOTE: If throttle body assembly is being replaced and WOT switch, ISA motor and TPS are transferred to replacement throttle body, they all must be adjusted after installation. See ADJUSTMENTS article for TPS adjustment procedure. See WOT SWITCH and ISA MOTOR ADJUSTMENT procedures in this article.
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