Flange Alignment & RUNOUT

1986 Jeep Cherokee Base, 4D Utility, 2.5 H, 4WD, Standard, AX4SECTION Flange Alignment & RUNOUT
  1. All flanges must be perpendicular in both vertical and horizontal planes to engine crankshaft. Only exception is "broken back" type driveline, which has flanges that are not perpendicular in vertical plane. See Fig 1.
    Fig 1: Typical "Broken Back" Type Drive Shaft Alignment
    G28878
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.