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The 460‑Point Checklist

Every inspection runs the same 460 measured checkpoints — engine to underbody, each one photographed and documented. Here is the full list, grouped the way our inspectors work through the car.

6CATEGORIES460CHECKPOINTSP · F · NAPER POINT

All 460 checkpoints

01

Engine & Powertrain

120
  1. 001Engine oil level
  2. 002Engine oil condition
  3. 003Engine oil contamination
  4. 004Oil sludge inspection
  5. 005Engine oil leaks
  6. 006Valve cover gasket leaks
  7. 007Cylinder head gasket condition
  8. 008Crankshaft seal leaks
  9. 009Camshaft seal leaks
  10. 010Engine mounting condition
  11. 011Engine mounting vibration
  12. 012Timing chain condition
  13. 013Timing belt condition
  14. 014Timing cover leaks
  15. 015Engine start-up performance
  16. 016Cold start operation
  17. 017Hot start operation
  18. 018Engine idle quality
  19. 019Engine vibration
  20. 020Engine knocking noise
  21. 021Tappet noise
  22. 022Engine smoke
  23. 023White smoke inspection
  24. 024Black smoke inspection
  25. 025Blue smoke inspection
  26. 026Engine overheating signs
  27. 027Engine temperature stability
  28. 028Engine acceleration response
  29. 029Engine performance under load
  30. 030Turbocharger condition
  31. 031Turbo boost pressure
  32. 032Turbo oil leaks
  33. 033Supercharger operation
  34. 034Air intake system
  35. 035Intake manifold condition
  36. 036Throttle body condition
  37. 037Air filter condition
  38. 038Cabin filter condition
  39. 039Fuel injector operation
  40. 040Fuel injector leakage
  41. 041Fuel pressure condition
  42. 042Spark plug condition
  43. 043Ignition coil condition
  44. 044Diesel glow plugs
  45. 045Vacuum leaks
  46. 046PCV valve condition
  47. 047Oil pressure
  48. 048Cooling fan operation
  49. 049Water pump condition
  50. 050Radiator condition
  51. 051Radiator fan operation
  52. 052Coolant level
  53. 053Coolant contamination
  54. 054Coolant leakage
  55. 055Radiator cap condition
  56. 056Cooling hoses condition
  57. 057Hose clamps condition
  58. 058Heater core condition
  59. 059Thermostat operation
  60. 060AC compressor condition
  61. 061AC condenser condition
  62. 062AC fan motor
  63. 063Alternator charging
  64. 064Battery health
  65. 065Battery terminals
  66. 066Starter motor operation
  67. 067Wiring harness condition
  68. 068Fuse box condition
  69. 069ECU scan results
  70. 070Engine warning lights
  71. 071OBD scan results
  72. 072Oxygen sensor condition
  73. 073Catalytic converter condition
  74. 074Exhaust manifold condition
  75. 075Exhaust leaks
  76. 076Exhaust smoke level
  77. 077Exhaust odor condition
  78. 078Exhaust mounting condition
  79. 079Drive belts condition
  80. 080Belt tension
  81. 081Pulley alignment
  82. 082Engine bay cleanliness
  83. 083Engine shield cover
  84. 084Engine grounding wires
  85. 085Front rail condition
  86. 086Firewall condition
  87. 087Strut tower condition
  88. 088Fuel economy condition
  89. 089Engine rebuilt evidence
  90. 090Engine replacement evidence
  91. 091Fluid mixing inspection
  92. 092Cooling system pressure
  93. 093Intake noise inspection
  94. 094Engine misfire at idle
  95. 095Engine misfire during acceleration
  96. 096Engine stalling at idle
  97. 097Engine stalling during driving
  98. 098Engine hesitation response
  99. 099Rough idle condition
  100. 100Fuel combustion smoothness
  101. 101Sudden engine shutdown inspection
  102. 102Coil pack misfire inspection
  103. 103Check engine light related to misfire
  104. 104Misfire during cold start
  105. 105Misfire during hot start
  106. 106Engine cut-off during acceleration
  107. 107Engine cut-off during deceleration
  108. 108Air-fuel mixture performance
  109. 109Throttle response delay inspection
  110. 110Engine drivability condition
  111. 111Fuel pump operation
  112. 112Fuel filter condition
  113. 113Fuel line leakage
  114. 114Fuel tank pressure condition
  115. 115Engine coolant circulation
  116. 116Idle RPM stability
  117. 117Exhaust back pressure inspection
  118. 118Intake vacuum performance
  119. 119Engine vibration under load
  120. 120Overall engine & powertrain condition
02

Transmission & Drivetrain

70
  1. 121Transmission fluid level
  2. 122Transmission fluid condition
  3. 123Transmission leaks
  4. 124Gear shifting smoothness
  5. 125Gear engagement
  6. 126Reverse gear operation
  7. 127Gear selector operation
  8. 128Gear selector alignment
  9. 129Clutch operation
  10. 130Clutch slipping
  11. 131Clutch pedal condition
  12. 132Clutch noise
  13. 133Gearbox noise
  14. 134Gearbox vibration
  15. 135Gearbox mounting
  16. 136Transmission mounting
  17. 137Transmission overheating signs
  18. 138Transmission repair evidence
  19. 139Transmission warning lights
  20. 140Transmission ECU scan
  21. 141CV joints condition
  22. 142Drive shafts condition
  23. 143Drive shaft boots
  24. 144Universal joints
  25. 145Sliding joints
  26. 146Propeller shaft condition
  27. 147Support bearings
  28. 148Differential condition
  29. 149Differential leaks
  30. 150Front differential condition
  31. 151Rear differential condition
  32. 152Transfer case condition
  33. 153AWD system condition
  34. 1544WD engagement
  35. 155Drivetrain vibration
  36. 156Wheel bearings
  37. 157Axle condition
  38. 158Axle boots
  39. 159Casings condition
  40. 160Gear mountings
  41. 161Transmission seals
  42. 162Manual gearbox operation
  43. 163Automatic gearbox response
  44. 164Paddle shifter operation
  45. 165Electronic gear selector operation
  46. 166Transmission cooling lines
  47. 167Parking gear lock
  48. 168Hill assist function
  49. 169Launch control operation
  50. 170Drivetrain noise during acceleration
  51. 171Drivetrain noise during deceleration
  52. 172Differential noise
  53. 173Transfer case noise
  54. 174Transmission oil cooler condition
  55. 175Drivetrain rust inspection
  56. 176Gear lever condition
  57. 177Electrical sensors condition
  58. 178Drive mode selection operation
  59. 179Sport mode operation
  60. 180Eco mode operation
  61. 181Snow mode operation
  62. 182Crawl mode operation
  63. 183Transmission fault codes
  64. 184Transmission response during test drive
  65. 185Gear slipping during test drive
  66. 186Hard shifting inspection
  67. 187Delayed shifting inspection
  68. 188Clutch bite point inspection
  69. 189Transmission vibration under load
  70. 190Overall transmission & drivetrain condition
03

Wheels, Brakes & Tires

90
  1. 191Front brake pads
  2. 192Rear brake pads
  3. 193Front brake discs
  4. 194Rear brake discs
  5. 195Rear brake drums
  6. 196Brake rotor wear
  7. 197Brake calipers condition
  8. 198Brake caliper leaks
  9. 199Brake hoses condition
  10. 200Brake lines condition
  11. 201Brake fluid level
  12. 202Brake fluid contamination
  13. 203Brake fluid leaks
  14. 204Brake booster condition
  15. 205Master cylinder condition
  16. 206ABS operation
  17. 207ABS warning light
  18. 208Brake response
  19. 209Brake vibration
  20. 210Brake noise
  21. 211Brake balance
  22. 212Emergency brake operation
  23. 213Parking brake operation
  24. 214Brake pedal condition
  25. 215Brake fading signs
  26. 216Traction control operation
  27. 217Stability control operation
  28. 218Brake assist operation
  29. 219Brake holding power
  30. 220Brake performance during test drive
  31. 221Front left tire condition
  32. 222Front right tire condition
  33. 223Rear left tire condition
  34. 224Rear right tire condition
  35. 225Front left tire tread depth
  36. 226Front right tire tread depth
  37. 227Rear left tire tread depth
  38. 228Rear right tire tread depth
  39. 229Tire pressure
  40. 230Tire wear pattern
  41. 231Tire sidewall damage
  42. 232Tire age inspection
  43. 233Wheel alignment
  44. 234Wheel balancing
  45. 235Wheel rim condition
  46. 236Alloy wheel scratches
  47. 237Wheel hub condition
  48. 238Wheel bearing noise
  49. 239Spare wheel condition
  50. 240Spare wheel tread depth
  51. 241Spare wheel size
  52. 242Spare wheel manufacturer
  53. 243Tire repair evidence
  54. 244Lug nuts condition
  55. 245Tire valve condition
  56. 246Tire pressure sensor operation
  57. 247TPMS warning light
  58. 248Brake disc thickness
  59. 249Brake pad thickness
  60. 250Brake hose cracks
  61. 251Brake line corrosion
  62. 252Brake fluid moisture content
  63. 253Hand brake adjustment
  64. 254Wheel vibration during driving
  65. 255Brake pull during braking
  66. 256Wheel offset inspection
  67. 257Rim cracks inspection
  68. 258Wheel lock nuts condition
  69. 259Front suspension wheel alignment
  70. 260Rear suspension wheel alignment
  71. 261Tire road noise
  72. 262Wheel arch clearance
  73. 263Brake dust inspection
  74. 264Brake caliper slide pins
  75. 265Brake wear sensor operation
  76. 266Brake rotor warping inspection
  77. 267Brake caliper sticking inspection
  78. 268Uneven brake wear inspection
  79. 269Tire bulge inspection
  80. 270Tire puncture inspection
  81. 271Wheel stud condition
  82. 272Tire bead condition
  83. 273Rim bend inspection
  84. 274Brake overheating inspection
  85. 275Brake fluid boiling signs
  86. 276Tire noise during highway driving
  87. 277Brake judder inspection
  88. 278Wheel centering inspection
  89. 279Tire traction condition
  90. 280Overall brakes, wheels & tires condition
04

Electrical, OBD & Safety Systems

80
  1. 281OBD diagnostic scan
  2. 282ECU communication
  3. 283Fault code inspection
  4. 284SRS airbag system
  5. 285Airbag warning lights
  6. 286Seat belt condition
  7. 287Seat belt locking function
  8. 288Passenger seat belt locking
  9. 289Child lock operation
  10. 290Battery voltage
  11. 291Battery terminals
  12. 292Battery mounting
  13. 293Starter motor operation
  14. 294Alternator charging
  15. 295Charging system condition
  16. 296Headlights operation
  17. 297Headlight leveling
  18. 298DRL operation
  19. 299Fog lights operation
  20. 300Rear lights operation
  21. 301Brake lights operation
  22. 302Reverse lights operation
  23. 303Indicators operation
  24. 304Hazard lights operation
  25. 305Interior lights
  26. 306Ambient lighting operation
  27. 307Panel lights
  28. 308Instrument cluster operation
  29. 309LCD display operation
  30. 310Warning lights inspection
  31. 311Horn operation
  32. 312Power windows operation
  33. 313Window lock operation
  34. 314Auto window function
  35. 315Door locking system
  36. 316Key remote battery
  37. 317Push start operation
  38. 318Smart key detection
  39. 319Immobilizer system
  40. 320Steering wheel switches
  41. 321Cruise control operation
  42. 322Adaptive cruise control
  43. 323Lane assist system
  44. 324Blind spot monitoring
  45. 325Parking sensors operation
  46. 326Rear camera operation
  47. 327360 camera operation
  48. 328Radar system condition
  49. 329Collision warning system
  50. 330Emergency braking system
  51. 331Steering assist system
  52. 332Driver monitoring system
  53. 333Traffic sign recognition
  54. 334Rain sensor operation
  55. 335Auto headlight operation
  56. 336Wipers operation
  57. 337Washer motor operation
  58. 338Wiper blade condition
  59. 339Climate control operation
  60. 340Air conditioner cooling
  61. 341AC controls operation
  62. 342Heater operation
  63. 343Rear AC vents
  64. 344Defogger operation
  65. 345Defroster operation
  66. 346Entertainment system
  67. 347Stereo system operation
  68. 348Bluetooth connectivity
  69. 349Apple CarPlay operation
  70. 350Android Auto operation
  71. 351USB charging ports
  72. 352Wireless charger operation
  73. 353Touchscreen operation
  74. 354Navigation system operation
  75. 355Voice control operation
  76. 356Sunroof operation
  77. 357Panoramic roof operation
  78. 358Electric seat operation
  79. 359Seat memory function
  80. 360Heated seats operation
05

Steering, Suspension & Underbody

60
  1. 361Ventilated seats operation
  2. 362Side mirror controls
  3. 363Auto folding mirrors
  4. 364Mirror heating operation
  5. 365Interior power outlets
  6. 366Cigarette lighter socket
  7. 367Trunk release operation
  8. 368Fuel lid release operation
  9. 369Security alarm system
  10. 370Electrical grounding
  11. 371Steering wheel play
  12. 372Steering effort
  13. 373Steering alignment
  14. 374Steering vibration
  15. 375Steering response
  16. 376Steering rack condition
  17. 377Steering rack leaks
  18. 378Steering box condition
  19. 379Steering linkage
  20. 380Tie rods condition
  21. 381Rack ends condition
  22. 382Power steering fluid
  23. 383Power steering leaks
  24. 384Power steering pump
  25. 385Electric steering operation
  26. 386Suspension arms condition
  27. 387Suspension mountings
  28. 388Suspension bushes
  29. 389Suspension noise
  30. 390Front shock absorbers
  31. 391Rear shock absorbers
  32. 392Springs condition
  33. 393Dampers condition
  34. 394Ball joints
  35. 395Axle condition
  36. 396Gaiters / boots condition
  37. 397Wheel hubs condition
  38. 398Wheel bearings condition
  39. 399Subframe mountings
  40. 400Chassis frame condition
  41. 401Accident repair evidence
  42. 402Rust inspection
  43. 403Underbody damage
  44. 404Front chassis rails
  45. 405Rear chassis rails
  46. 406Sway bar links
  47. 407Anti-roll bars
  48. 408Bump stops condition
  49. 409Suspension stability
  50. 410Bounce test
  51. 411Wheel movement play
  52. 412Differential mountings
  53. 413Drive shaft alignment
  54. 414Underbody corrosion
  55. 415Underbody leaks
  56. 416Exhaust mounting condition
  57. 417Fuel line underbody condition
  58. 418Brake line underbody condition
  59. 419Jacking point condition
  60. 420Floor pan condition
06

Interior, Exterior & Test Drive

40
  1. 421Chassis weld inspection
  2. 422Structural damage inspection
  3. 423Frame alignment inspection
  4. 424Suspension road test
  5. 425Steering handling during test drive
  6. 426Suspension comfort evaluation
  7. 427Suspension harshness inspection
  8. 428Steering returnability
  9. 429Steering noise inspection
  10. 430Steering lock operation
  11. 431Ride height inspection
  12. 432Coil spring sagging
  13. 433Lift kit inspection
  14. 434Lower arm bushings
  15. 435Upper arm bushings
  16. 436Shock absorber leaks
  17. 437Suspension geometry inspection
  18. 438Wheelbase alignment
  19. 439Crossmember condition
  20. 440Exterior body condition
  21. 441Repaint inspection
  22. 442Paint thickness inspection
  23. 443Dent inspection
  24. 444Deep scratches inspection
  25. 445Minor scratches inspection
  26. 446Chipped paint inspection
  27. 447Faded paint inspection
  28. 448Rust on body panels
  29. 449Windshield condition
  30. 450Side windows condition
  31. 451Mirrors condition
  32. 452Door hinges condition
  33. 453Door stoppers condition
  34. 454Door operation
  35. 455Interior upholstery condition
  36. 456Flood damage inspection
  37. 457Engine noise during test drive
  38. 458Engine performance during test drive
  39. 459Highway stability test
  40. 460Final overall road test evaluation

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