HINTS AND TIPS WHEN BUYING A SECONDHAND / USED CAR

What to look out for when buying used cars

This is always a mine field and nothing guarantees success but there are a few things to look out for before parting with your hard earned cash.

Obviously different countries have different rules but I am sure a lot of the following would apply wherever you are located.


PRE-SHOPPING ADVICE

The depreciation of used cars is much less than new cars and, therefore, they are a more cost effective purchase.

Get your finance in place before choosing your car, this saves time as you know exactly which vehicles you can or cannot afford.

Be aware of the current "going rate" of vehicles before purchasing by checking guides available from most newsagents that list the value of most used cars.

Consider all different outlets such as trade-ins at new car dealerships, private sales etc., not just secondhand car dealers. In the U.K., however, the purchaser has more rights and safeguards when purchasing through trade rather than a private sale.

Cars less than three years old which have been driven 10,000 - 15,000 annually are probably the best buys. An average annual mileage is about 10,000, so for a 3 year old car mileage between 25,000 and 35,000 would be reasonable. Anything over this could have been used for business and driven hard.

Small and medium saloons and hatchbacks are easier to maintain and repair than convertibles or luxury cars.

Read external buying a car reviews on ciao.


GENERAL ADVICE WHEN INSPECTING VEHICLES
Check the engine plate on the car corresponds with that given on the registration documents and that it has not been tampered with or changed.

Never buy a car without test driving is yourself.


First make sure you are insured to drive it then, if possible, take it on a drive that covers a mixture of conditions i.e. fast motorway driving, slow urban driving, twisting roads and don't forget to check reverse.

BODYWORK

Always inspect the bodywork in good light.

Look for corrosion or rust. Rust is probably the most damaging thing of all on cars over five years old.
Surface blisters can be relatively harmless and easily treated but corrosion coming from the inside of the body panels is more serious.

Look for rust at the top and rear of the front wings, along the side sills, below front and rear bumpers and the bottoms of the doors.

Sometimes a rust blemish on the paintwork can indicate more serious corrosion underneath. Press the panel gently with your thumb. If there is a cracking noise it indicates advanced corrosion.

It is usually not worth repairing rust that has perforated the bottom of doors, the bodywork around the front and rear screen rubbers, on trailing edges of bootlids or tailgates and leading edges of bonnets and on rear wing panels. These can only be repaired expensively by specialists and subsequent painting is costly.

Walk around the car and look along the doors and wings from each of the four corners. Any crash repairs will show up if they have not been well done. You will see ripples or a change in the texture of the paint if there is a lot of body filler underneath. Take a small magnet with you, it will be attracted to metal but not to plastic body filler. Look also for variations in the paint colour.

Water stains in the boot, around windows, on carpets and around the sunroof opening may indicate leaks.

STRUCTURAL BODYWORK

Look for rust perforation on inner wings, the bulkhead and any cross members and chassis members visible under the bonnet. If you see any, reject the car.

Beneath the car check side sills, chassis legs, cross members and subframes. Tap suspicious areas with a lightweight hammer, or push hard with your hand to detect the 'give' of weakened metal. Be wary of freshly applied underseal - could be hiding weakened metal.

Check the floorpan for corrosion.

Look at brake pipes, if they are crusted or pitted with rust, these could be dangerous.

Check suspension and steering mounting points for serious corrosion, especially under the bonnet.


COLLISION DAMAGE

A car that has been in a collision can be dangerous, especially if its suspension and/or steering have been damaged.
Examine under the bonnet for damage, creasing or replaced inner wings (unsightly welds are a give-away). Also inspect the engine bay forward panels and forward chassis legs for repairs or creases.

When test driving the car the steering should be consistent with no tendency to pull either left or right.

Look under the carpet between the front and back doors for signs of welding or repair in case two halves of different cars have been welded together (cut and shut), which is extremely dangerous.

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INSIDE THE CAR

Check the odometer, if the numbers are out of line the mileage may have been altered.

Look to see if the mileage corresponds with the general condition of the car. A worn brake pedal and wear marks on the gear lever indicate a car that might have done more than 60,000 miles. A worn or sagging driver's seat and carpet are other signs of high mileage.

A very low mileage may indicate the car might have been left unused for long periods or used only for short journeys. Both can cause engine problems. A car that has been regularly used and serviced is a better bet.

ENGINE
Have a look at the general state of the engine.

A dirty engine and surrounding area suggests that the car hasn't been well looked after and that servicing may have been neglected.

Conversely, a sparkling clean engine could have been steam cleaned to disguise problems such as oil leaks etc.

Before starting the engine remove the dipstick and check the colour of the oil. If it is very black the car has probably not been recently, or regularly, serviced. Also check for beige "mayonnaise" on the dipstick, a possible symptom of head gasket leakage.

Check the quantity and colour of coolant. It should be the colour of antifreeze not rusty red. An engine that has been run without antifreeze may have problems.

Listen to the engine starting up from cold. The oil light should go out soon after the engine starts, if it doesn't there may be engine wear.

Heavy rattling or knocking noises shortly after start up could indicate wear of the crankshaft and big-end bearings. Listen for clattering or light knocking noises from the top of the engine which indicate camshaft wear.
Turn on the ignition and open the throttle sharply.

Check for black or blue smoke from the exhaust.


Blue smoke comes from burning oil and shows engine wear, whereas black smoke is un-burnt fuel and has many possible causes.

Check for smooth idling when warm.

When test driving check the engine does not misfire but pulls strongly and cleanly. Check there are no pinking sounds (i.e. metallic rattling sound that occurs when the throttle is open). If the car does misfire and the engine has electronic fuel or ignition control only buy it if the misfire is put right first.

Keep an eye on the temperature gauge or warning light which may indicate overheating.

Finally check for oil leaks.

TRANSMISSION

If the car has a manual gearbox, check the clutch operates smoothly and all gears engage easily. If the gear change stiffens as revs increase the clutch may be worn. Check for clutch slip by driving the car up a hill in top gear.

When driving change down into each gear from a higher speed than normal to test the synchromesh. If the gears baulk or crunch, or if the gearbox whines excessively, gearbox overhaul or replacement are the only solutions.

If the car has automatic transmission check the transmission dipstick for correct fluid level, this is best done with the engine hot and idling. Also smell the dipstick, if it smells burnt steer clear of the car!

When driving check that the transmission changes down into each gear properly under full acceleration and at the right time.

SUSPENSION

Check shock absorbers (dampers) by pushing down hard on the bodywork at the corners and letting go. The car should rebound once just past the level position, then go back i.e. one and a half swings. Any more than this indicates the shock absorbers need replacing.

Listen for knocks from the suspension over poor road surfaces which could indicate worn bushes, joint and dampers. Take a note of the cars handling, if it is vague, "floaty" or bouncy, suspect worn dampers.

Check for fluid leakage from the dampers or struts. Slight weeping is acceptable any more is not.

STEERING

If the steering is vague and heavy the tyres may be worn or under pressurised.

Rock the steering wheel gently while watching the front wheel, there should not be any noticeable delay between steering wheel and road wheel movement. Free play accompanied by a knock will fail the MOT test.

Check for wheel wobble at speed. This is often attributable to unbalanced front wheels. Steering wheel shimmy at low speeds indicated distorted wheel rims.

BRAKES

The brake pedal should offer good resistance and not sink most of the way to the floor when applied.

If a servo is fitted, check that it works by pumping the brake pedal several times, holding the pedal down and starting the engine. You should feel the pedal creep down as it operates.

The care should not swerve when the brakes are applied hard at speed. If it does, it may have seized or leaking wheel cylinders or calipers.

If the car judders when you apply the brakes this implies distorted front brake discs. Inspect discs for heavy scoring or unpolished or corroded areas, they may need renewing.

Check the brake hoses under the wheel arches for cracking, chafing, swelling or leaks.

TYRES
Check the treads and side walls on all four tyres (plus spare wheel) there should be more than 2mm of tread all over the tyre (I think the legal limit is 1.6mm in the U.K. at present) and the sidewalls should not be cracked or damaged.

Uneven wear on treads suggests steering, tracking or suspension problems.

BEFORE MAKING AN OFFER

If the car passes your inspection and test drive here are a few more things to bear in mind before making an offer:-

In the U.K. every car over three years old must have an annual MOT and, therefore, ensure the certificate is current (although this does not guarantee the car is still safe).

Ask to see service and repair history and well as repair receipts. Treat a denial that these receipts exist with suspicion.

Check the mileage on the odometer tallies with service and repair receipts.

Check the car's registration and chassis number matches those on the registration document.

If the vendor is not the person named on the registration document ask for written confirmation from the registered owner that the vendor is authorised to sell the vehicle on his behalf.

Ask if it is permissible to have the car inspected by an independent mechanic. If it is (and you can afford the added expense) ask the mechanic to carry out a cylinder compression test to assess the condition of the engine and also to estimate the cost of any repairs he thinks may be warranted. You can then ask for the cost of these repairs to be deducted from the asking price.

If you have a car to trade in don't mention the fact until you have negotiated a discount for the one you want to buy.

If you are buying from a trader, depending on the value of the car, it may be worth investing in a warranty. Read the warranty small print very carefully as some warranties exclude more than they cover.

Mr. Neville Crocombe has kindly pointed out that if after you have done all these checks you feel you have found "it" then don't sign anything but assure the vendor that the sale is "subject to a satisfactory inspection by an independent automobile association".

Well, if after all this you still feel inclined to buy another car, best of luck!!!