Checking & Adjustment: Checking

1983 Pontiac Firebird Base, 2.8 1, Automatic, 200C/MV9SECTION Checking
  1. Lift and support vehicle at axle tubes. Check trim height and adjust as necessary to meet specifications shown in chart.
  2. Clean all bearing caps and place inclinometer (J-23498) on rear drive shaft bearing cap. Center bubble in sight glass and record reading.
  3. Remove inclinometer, rotate drive shaft 90Β° and install inclinometer on drive yoke bearing cap. Measure angle and subtract smaller reading from higher reading to obtain rear universal joint angle. Repeat procedure on front universal joint to obtain front universal joint angle.
    Fig 1: Checking Pontiac Trim Height
    G26642
RENDER: 1.0x

NO RELATED

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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.