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Five things to check before buying a modern used car

Newer cars have different things you need to check out

modern used car

In the old days, giving a potential used car a before purchase inspection was a fairly simple exercise, you’ check for rust, kick the tyres and that was about it.

But today, with so much electronic and computer gear in our cars, are pre-purchase checks still as simple?

And what happens if we get a car with issues that don’t seem immediately obvious to the average car buyer?

Tim Shallcross, IAM RoadSmart head of technical policy, says we’re in a different world today when it comes to buying used cars.

He says there are five things we all must keep in mind before we sign-up for a secondhand modern car…

Service history

Modern engines are staggeringly efficient compared with their predecessors, but proper maintenance is essential to keep them that way.

Oil, brake fluid, filters and coolant must all be changed when the manufacturer specifies, otherwise expensive trouble is being stored up for the future.

Ask for the service history and take time to look through it carefully. If the service record is seriously incomplete or missing, walk away, otherwise you could be footing the bill for someone else’s neglect.

Dashboard lights

ABS, SRS, ESC, engine management – every electronic system has a warning light. Make sure they all light up when you turn on the ignition – unscrupulous sellers have been known to remove a bulb to disguise a faulty system.

You may need to turn the ignition on and off a few times before you spot them all. Most should go out within a few seconds, the rest of them when you start the engine and release the park brake (handbrake).

After that, a light means a problem. Don’t be fobbed off with “they all do that” or “that’s normal”.

Engine

Listen carefully for the first few seconds – knocks or rattles on start-up can mean trouble.

Watch the exhaust smoke; white vapour from a cold engine is normal provided it disappears as the temperature rises.

Black smoke on heavy acceleration means dirty or worn injectors and blue smoke at any time indicates a badly worn engine – often through neglected maintenance.

Road test

Listen for suspension rattles and clunks over rough roads.

Check gear-change smoothness, the cars steers straight ahead and brakes squarely.

Try stopping at different rates – gently and rapidly.

The engine should never stall as the car stops, nor should the revs drop very low then pick up to the right idle speed. If it does, there’s a problem with the management system.

Learn to walk away

Keep your head and reject a car with signs of problems. Cars are more often an emotional choice than a rational one, but the emotional choice is much more likely to end in tears.

If you have any doubts at all, go home and sleep on it. If the salesperson hints at other buyers on the way, call their bluff – there are thousands more bargains out there.

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About Joel Helmes 3923 Articles

Joel is the founder and CEO of Behind the Wheel. Joel has a background as a radio broadcaster with on-air roles at 4BC, 4KQ, 2KY, 2LT and 2UE amongst others, as well as a news editor and program director.

Joel’s relationship with cars stems back to his early childhood learning to change oil and brakes with his father and uncle. This continued on into his driving years owning an assorted collection of cars.

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