What you and/or mechanic should check or inspect. This is not a detailed step by step list, nor does it include specifics of each inspection point. This is only a guide. If you'd like to learn how to inspect a vehicle like a mechanic then Click Here. As I've said before, this is one of those things that you really should do for yourself. Frame-cracks, corrective welds, or rusted through Dog tracks-bent or twisted frame Oils leakage, excluding normal seepage Cracked block or head Belts missing or inoperable Knocks or misses related to camshaft lifters and push rods Abnormal exhaust discharge Improper fluid level or leakage, excluding normal seepage Cracked or damaged case which is visible Abnormal noise or vibration caused by faulty transmission or drive shaft Improper shifting or functioning in any gear Manual clutch slips or chatters Improper fluid level or leakage excluding normal seepage Cracked or damaged housing which is visible Abnormal noise or vibration caused by faulty differential Leakage, including radiator Improperly functioning water pump Battery leakage Improperly functioning alternator, generator, battery, or starter Visible leakage Guages or warning devices Air conditioner Heater and defroster Failure warning light broken Pedal not firm under pressure (DOT spec.) Not enough pedal reserve (DOT spec.) Does not stop vehicle in a straight line Hoses damaged Drum or rotor too thin (mfgr. specs) Lining or pad thickness less than 1/32 inch Power unti not operating or leaking Structural or mechanical parts damaged Too much free play at steering wheel (DOT specs.) Free play in linkage more than 1/4 inch Steering gear binds or jams Front wheels aligned improperly (DOT specs.) Power unit belts cracked or slipping Power unit fluid level improper Ball joint seals damaged Structural parts bent or damaged Stabilizer bar disconnected Spring broken Shock absorber mounting loose Rubber bushings damaged or missing radius rod damaged or missing Shock absorber leaking or functioning improperly Tread depth less than 2/32 inch Sizes mismatched Visible damage Visible cracks, damage or repairs Mounting bolts loose or missing Leakage Excessive noise If you'd like to personally learn how to inspect a vehicle like a mechanic and save yourself money, or maybe even make some good money inspecting vehicles for others, then you might want to Click Here and check this out.