1989 Ford Probe GTFACTORY OEM SERVICE PROCEDURE

Engine Performance: System: Turbocharger: Operation: Notes

As engine load increases and throttle is opened, more air/fuel mixture flows into the combustion chamber. As this mixture is burned, a greater volume of hot exhaust gas enters exhaust system. The exhaust gas passes through the exhaust intake port on the turbocharger and into the turbine housing, where it provides drive to the turbine wheel.

The turbine wheel is connected by a shaft to the compressor wheel. As compressor speed increases, it compresses incoming air and forces a denser air/fuel mixture into combustion chambers resulting in increased engine power output.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.

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