1984 Mazda B2000 Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Water Separator (SEDIMENTOR)

Remove the water detector switch from the top of the water separator. Disconnect detector switch wires from harness. Connect an ohmmeter to water detector switch. The detector is operating properly when continuity exists with switch upright and no continuity exists with switch upside down. See Fig 1 .

Fig 1: Water Detector Switch Test Continuity should only exist when switch is upright.
G34653
Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.