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mechanical inspection summary to take with you to the dealership

This summary will help you to remember steps in inspecting the car and what to look at when you're at the dealership

  • Check glass for any cracks, dings, scratches. Inspect the windshield. Check if it's original. Inspect the moldings for signs of tampering. Check defogger, mirrors and targa top if the car has one.

  • Inspect the exterior, check for any body and paint inconsistencies and irregularities. Check roof for signs of frame damage. Do the magnet trick on suspicious areas.

  • Check tires for wear/tear and damage. Check that all tires are the same size and same brand/model.

  • Listen for break squeak/grind when braking. Feel if the steering wheel shakes when applying brakes. Check for pull to either side. Feel the pedal - too soft? Too spongy? Goes too far down? Check the fluid, check the handbrake.

  • Check and make sure all lights are working and no lights go off when you press the brakes or turn on blinkers or emergency flashers.

  • Inspect gauge cluster area for any signs of tampering, fingerprints or other signs of possible removal and odometer rollback. Make sure all gauges are working.

  • Inspect the interior for signs of flooding, replaced upholstery or excessive wear.

  • Check the automatic transmission when it's hot and cold. Check how it shifts in and out of gear. How it shifts and downshifts while driving. Do the 5-10mph brake, go technique to feel how smoothly it shifts back and forth. Check the fluid to make sure it's not burnt. For manual check if the clutch is slipping, check all gears to make sure they don't grind.

  • Listen for any unusual noises coming from the engine. Any pings, knocks, excessive vibrations. Check the oil to make sure it's not milkshake color. Check exhaust for black or blue smoke (some white steam, especially on humid and/or cold day is ok). Any sputtering or hesitation during start-up? Test drive and see if the engine responds well to acceleration. Check for rotten egg or oil smell around the engine. Does the engine rev smoothly?

  • Check fluids: brake fluid, engine oil, transmission oil (refer to owner's manual for car specific procedure), coolant - visually look at the transparent recovery tank (caution: never open hot coolant system, it's extremely hot and under pressure), power steering fluid (caution, it might be under slight pressure), differential fluid if you can (if the car is equipped with one. It also requires a secure lift and tools).

  • Check that the power steering works smoothly and that there is no whistling noise while turning the wheel.

  • Suspension - listen for any clunks, vibrations, thumping or squeaks over bumps and on a smooth road, all indicate wear of suspension components.

  • Visually check belts and hoses for cracks, leaks or looseness.

  • Check A/C to make sure it turns on and blows cold air.

  • Ask the seller about airbags and whether or not they are present.

  • Check the spare tire to make sure it's there, along with a jack, breaker bar and wheel lock if the car comes with a wheel locks. 

  • Listen for any rattles or excessive loudness from exhaust. Attempt to visually estimate amount of rust on the muffler and pipes.

  • Cooling: make sure the engine doesn't get too hot during the test drive and engine temperature reaches the operating condition promptly, depending on the temperature outside. Visually inspect coolant level (do not open the cooling system when the engine is hot), and make sure no blue smoke is blowing out of the tailpipe.

  • Listen for rear end (rear axle) to hear if it thumps or clunks when you drive and shift gears. Visually inspect for leaks. Listen for "gear whine" coming from the rear end during the test drive.

  • If the car has 4WD system, check it's operation by engaging and disengaging. When the 4WD system is engaged the car should feel a bit more sluggish. Visually inspect differentials for leaks (round things in-between axles).

  • If the car is a hybrid, it's best to get it checked out by a mechanic that understands hybrid technology well, due to complexity involved in it.

  • Check the battery to make sure it's not leaking and doesn't have deposit buildup around terminals.

  • Any unnatural noises indicate a problem, whether a small or large, it will have to be fixed as soon as possible to prevent further damage or safety hazard. The car with clunking, ticking, thumping, grinding or other such noises coming from the engine, transmission or suspension should be avoided, due to high costs associated with such repairs.

 

 


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