1989 Geo Tracker L4-1590cc 1.6LFACTORY OEM SERVICE PROCEDURE

Text Description


4WD Switch: Top of Transmission
Charcoal Canister: RH Front Of Engine Compartment
Control Relay: Under LH Side Of I/P
ECM: Under LH Side Of I/P
EGR Modulator: RH Side Of Engine
EGR Valve: RH Side Of Engine
Fuel Filter: Under RH Rear Of Vehicle
Fuel Pressure Regulator: Front Of Engine
Fuse Box: Under LH Side Of I/P
Ignition Coil: LH Side Of Cowl
Inlet Air Temperature Sensor: RH Side Of Engine
ISC Solenoid: RH Side Of Engine
Load Sensing Proportioning Valve: Under RH Side Of Vehicle
Main Switch: RH Rear Corner Of Engine Compartment
Oxygen Sensor: In Exhaust Manifold
Pressure Sensor: Mounted To RH Side Of Cowl
PTC Heater Relay (Automatic Transmission): RH Side Of Engine Compartment
Recirculated Gas Temperature Sensor: RH Side Of Engine
Shift Switch (Automatic Transmission): RH Side Of Transmission
Throttle Opener Vacuum Switching Valve: Front Of Engine
Throttle Position Sensor: Front Of Throttle Body
Vacuum Switching Valve: RH Side Of Engine
Washer Pump Assembly: Mounted To Windshield Wiper Reservoir
Water Temperature Gauge: RH Side Of Engine
Water Temperature Sensor: RH Side Of Engine

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.