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Home >> Cadillac >> 1989 >> Seville STS >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - DFI >> Removal & Installation >> Throttle Body Assembly >> Removal

Throttle Body Assembly: Removal

  1. Remove air cleaner. Disconnect TPS, ISC motor and injector electrical connections. Remove throttle return springs, cruise control, throttle cable and downshift cable.
  2. Disconnect and mark vacuum hoses and lines from throttle body. Using a back-up wrench, remove fuel inlet line and return lines. Remove 3 throttle body retaining bolts. Remove throttle body and gasket.