Auto Center Oil Change Completion Quality Audit

Post-service inspection for completed oil changes to verify drain plug torque, filter seal integrity, fluid fill levels, and service documentation.

Service Identification and Vehicle Verification

• Vehicle identification matches repair order
  Verify VIN, license plate, make, model, and mileage match the service record.
• Oil change service completed as authorized
  Confirm the work performed matches the approved service order and customer authorization.
• Correct oil specification and quantity recorded
  Verify the oil type, viscosity, and quantity used are documented and match the vehicle requirement.
• Service date and odometer reading documented
  Confirm the completion date and odometer reading are entered on the inspection or service record.

Drain Plug and Oil Leak Verification

• Drain plug installed and secured
  Verify the drain plug is present, properly seated, and not visibly cross-threaded or damaged.
• Drain plug torque verified to specification
  Confirm the drain plug was tightened to the manufacturer or shop-specified torque value.
• No visible oil leakage at drain plug or pan
  Inspect for drips, wetness, or seepage at the drain plug, oil pan, and surrounding underbody area.
• Drain plug gasket or sealing washer condition acceptable
  Verify the sealing washer or gasket is present, properly installed, and not reused if replacement is required by SOP.

Oil Filter Installation and Seal Inspection

• Correct oil filter installed
  Verify the installed filter matches the vehicle application and service order.
• Filter seal or O-ring properly seated
  Inspect the filter seal, gasket, or O-ring for correct placement and full contact with the mating surface.
• Oil filter tightened correctly
  Confirm the filter is tightened per manufacturer or shop procedure and is not over-tightened or loose.
• No visible oil leakage at filter housing
  Inspect the filter and housing area for wetness, drips, or seepage after installation.

Fluid Level and Underhood Completion Check

• Engine oil level within acceptable range
  Verify the dipstick or electronic oil level reading is within the manufacturer acceptable range.
• Oil cap installed and secured
  Confirm the oil fill cap is installed, tightened, and the engine bay shows no evidence of missing components.
• No visible oil spills or residue in engine bay
  Inspect the engine compartment and surrounding surfaces for spilled oil, residue, or contamination.
• Fluid top-off items documented if performed
  Confirm any additional fluid top-offs were recorded according to shop procedure.

Reset, Sticker, and Closeout Documentation

• Maintenance reminder reset completed
  Confirm the oil life monitor or maintenance reminder was reset according to vehicle procedure.
• Service sticker installed with correct mileage/date
  Verify the windshield or under-hood service sticker is present and shows the correct service date and next due mileage.
• Final inspection sign-off completed
  Confirm the inspector reviewed the completed service and documented approval or noted deficiencies.
• Deficiencies or non-conformances documented
  Record any defects, leaks, missing items, or corrective actions required before vehicle release.