Removal & Installation

1998 Mercury Mountaineer 5.0 P, AWDSECTION Removal & Installation
WARNING: This page is about a different car, the 1998 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASEΒ . Remove fuel tank. Remove screws or lock ring and fuel pump tank unit. Wipe seal area of tank clean. Position NEW seal onto pump mounting flange (if necessary), using grease to hold it in position. Position fuel pump in tank to original position. Install screws or lock ring. DO NOT overtighten lock ring, as it may leak. Install fuel tank.

RENDER: 1.0x

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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.