1982 Cadillac Seville V8-252 4.1LFACTORY OEM SERVICE PROCEDURE

Oil Pump, Engine

Gear Backlash .0010-.0013 Inch (in)
Gear To Body Clearance .0004-.0045 Inch (in)
Note: Maximum
Gear End Play
Note: Measured between pump cover and end of gears using straight edge feeler gauge.
.0024-.0067 Inch (in)
Relief Valve To Body Clearance .0020-.0050 Inch (in)
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Factory Service Tools

Use the Manual With the Right Hardware

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

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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.