4th Gen LT1 F-Body Technical Aids

Component Location Views

~For 1995 F-body unless otherwise noted~

  1. Clickable Visual Reference for Front End Devices/Sensors
  2. TPS (Throttle Position Sensor)
  3. PCV (Positive Crankcase Ventilation) valve
  4. PCV Pipe Connections
  5. IAC (Idle Air Control) valve
  6. EGR (Exhaust Gas Recirculation) components
  7. ICM (Ignition Control Module) and
    Coil

  8. Coil Connectors
  9. ECT (Engine Coolant Temperature) Sensor for PCM
  10. ECT Sensor for Temperature Gauge
  11. IAT (Intake Air Temperature) Sensor
  12. MAP (Manifold Absoluter Pressure) Sensor
  13. MAP Sensor Seal
  14. MAF (Mass Air Flow) Sensor
  15. Secondary Air Injection (AIR) Pump
  16. KS (Knock Sensor)
  17. KS Close Up
  18. LT1 & LT4 Knock Sensor Modules
  19. HO2S (Heated Oxygen Sensor)
  20. VSS (Vehicle Speed Sensor-A4)
  21. EVAP (Evaporative Emission)
    Canister Purge Solenoid Valve

  22. Low Oil Level Sensor
  23. Oil Pressure Sensor Location
  24. Oil Pressure Sensor Detail
  25. Oil Filter Adapter
  26. Auxiliary Oil Passage Port
  27. Oil Pump Drive Shaft
  28. Oil Pump and Windage Tray
  29. Starter
  30. Battery Cable Ground on Engine Block
  31. PCM/Sensor Ground Above Starter
  32. Rear Main Seal and Housing
  33. 4L60E Transmission Line Pressure Plug
  34. Accelerator Stop Screw
  35. Fuel Pressure Regulator and Shrader Valve
  36. Fuel Pump Prime Connector
  37. Fuel Pump Relay
  38. Fuel Filter
  39. A4 radiator
  40. 160 Thermostat
  41. 180 Thermostat
  42. Coolant Bleeder Screws
  43. Low Coolant Sensor
  44. Block Coolant Drain Plug
  45. Radiator Drain Valve
  46. Accessory Bracket
  47. A.I.R. Check Valves
  48. A.I.R. Bleed Valve
  49. VIN Derivative Stamped on Engine Block
    & Transmission

  50. VIN and engine ID decode
  51. Optispark Electrical Harness Connection
  52. Vacuum Source for Optispark, Brake Booster, EGR
  53. Optispark Vacuum Hose w/valves
  54. Optispark Vacuum Harness Connections at Optispark
  55. 1993-1994 Optispark Drive Mechanism
  56. 1995-1997 Optispark Drive Mechanism
  57. 1995-1997 Optispark front view with cap cylinder terminal location markings
  58. Optispark Optical Pickup and Shutter Wheel with number one location noted
  59. Crankshaft Hub
  60. Vacuum Check Valve (HVAC)
  61. Vacuum Tank (HVAC) and Horns
  62. Vacuum Tank Connection Close-Up
  63. A/C Housing Drain Hole
  64. A/C Refrigerant Pressure Sensor
  65. 1LE intake elbow (bottom view)
  66. Front Wheel Hub Assembly
  67. Fusible Links
  68. Front Turn Signal Lens Access
  69. Ignition and Dimmer Switches
  70. Driver's side Air Bag Connector
  71. VATS connector at base of Steering Column
  72. Flashers (turn & hazard),
    Audio Alarm Module (dinger),
    Horn Relay

  73. Instrument Cluster (rear) and Bulbs
  74. Odometer/Trip Odometer Assembly
  75. Trip Odometer Gear
  76. Door window regulator operation video clip (3.09 MB .wmv)
  77. Power Lock Assembly (inside door)
  78. Cruise Control Wiring Connections at MFL
  79. Cruise Control Module
  80. ABS Motor Electrical Connections
  81. R.A.P. (Retained Accessory Power) Module
  82. High Blower Relay
  83. Power Window Express Down Module
  84. Keyless Entry receiver
  85. Differential Pinion Shaft
  86. Ash Tray Spring
  87. Master Cylinder Moved for Shock Bolt Removal
  88. A4 Shifter
  89. Rear Caliper View 1
  90. Rear Caliper View 2
  91. Rear Caliper View 3
  92. Rear Caliper View 4
  93. Right Front Caliper-Rear View
  94. Motor Mounts



updated 5/31/2022

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