1989 Ford Probe GL, AutomaticFACTORY OEM SERVICE PROCEDURE

Vacuum Reservoir

Remove vacuum reservoir hoses. Using a vacuum pump, apply vacuum at port "A" and ensure vacuum is not held. See Fig 1 . Apply vacuum at "B" and ensure vacuum is held. Replace vacuum reservoir if necessary.

Fig 1: Testing EGR Vacuum Reservoir
G106255Courtesy of FORD MOTOR CO.
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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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