Hyundai Tucson Review, For Sale, Colours, Interior, Specs & News

Hyundai Tucson Q&As

Check out real-world situations relating to the Hyundai Tucson here, particularly what our experts have to say about them.

• Why does my 2007 Hyundai Tucson shudder?

  That’s a pretty comprehensive rebuild of the fuel system, so it’s possible that something that was removed at the time has gone back on not quite the way it was. A shuddering as you slow down suggests that the idle speed is perhaps a touch low. You should be able to adjust the ide speed fairly simply, so the first thing to try is to creep it up, say, 100rpm and see if the shudder goes away.

  A mechanic will be able to do this quickly and easily. If that’s not the problem, you need to go back and double check every fitting and fastener to make sure there’s no air or fuel leak that is causing the engine to develop the staggers. Were the new injector seals treated to a dollop of rubber grease before they were installed? If not, there’s a chance that fitting them may have put a small tear in the rubber seal which is now leaking.

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• The dipstick is blowing out in my 2022 Hyundai Tucson diesel

  It sounds very much like there’s a blow-by problem with this engine. The pressure created by the combustion process is somehow getting past the pistons and into the crankcase, causing the dipstick to leave its tube and blowing oil all around the engine bay.

  Blow-by is often caused by worn or broken piston rings or a damaged piston itself. But modern turbo-diesels are also prone to problems with their crankcase ventilation and emissions-control systems which can become full of gunk and not allow the crankcase to breathe properly. At which point, the same symptoms can occur.

  A mechanic will be able to do some tests and determine what’s causing the pressure build-up inside the crankcase. If it’s internal wear, a rebuild may be required. But if it’s a build-up of crud inside the emissions-control systems, a manual disassembly and clean might be required. Either way, your car’s warranty might cover you for this, so the Hyundai dealer is your first port of call.

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• Common problems with the 2014 Hyundai Tucson

  Whenever you see a bunch of problems all occurring at once, the car’s body computer becomes a prime suspect. This computer is what controls functions such as door locking, power mirrors and windows, the anti-theft measures, cruise-control, lighting, wipers, powered seats, the dashboard and much, much more. All these functions can go haywire or stop working altogether (and all at once) when the body computer says it’s had enough.

  Since your car has electrically controlled steering, the body computer will have a say in that as well, which could explain the weird noises. But either way, you shouldn’t drive the vehicle any farther. Any noises or strange symptoms in a car’s steering could mean a sudden loss of control at the worst possible moment.

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• My 2023 Hyundai Tucson N Line is revving high before changing gears

  The engine in a modern car has inbuilt protection where it won't rev beyond what is safe for it. So you needn't worry about that. But a vehicle that wants to hold gears too long can become tiring to drive, as well as using more fuel than it might if its shifted gears at lower engine speeds.

  Your car has what are called drive modes which tailor the aggressiveness of the throttle and alter gearshift points to tailor the car's behaviour in different conditions. My suspicion is that your car is set on Sport which is what's making it feel a bit hyperactive. There's a switch on the centre console which will allow you to change the Drive mode to Comfort or Normal. Try that to see if it tames the gearbox's behaviour.

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