Mazda BT-50 2020

Mazda BT-50 2020 Q&As

Check out real-world situations relating to the Mazda BT-50 here, particularly what our experts have to say about them.

• 2008 Mazda BT-50 overheating

  This is a really common problem with this model (and the Ford Ranger with which it shared its mechanicals). Many buyers avoid this model for this very reason. Even though many fixes have been tried it seems that this car, shown a hill and a hot day, will often overheat.

  Several theories exist including that the EGR valve is the problem, as it fails and allows coolant to escape (usually into the engine cylinders). But even when the EGR valve is working properly, this engine is prone to running too hot. Some other theories hold that the thermal management of the engine itself was just underdone and there’s no real fix for it. That’s borne out by the number of people who have tried different radiators, thermostats and cooling fans and still have a vehicle that overheats.

  But you could try reverse flushing the radiator and making sure than every part of the cooling system is working efficiently and properly. That will maximise your chances of not having the engine overheat but, in this case, there are no promises.

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• Steering locking up in my 2013 Mazda BT-50

  Rather than the steering completely locking up, it’s more likely you’re feeling steering that has lost is power-assistance. It can make the wheel extremely heavy and could feel as though the car won’t steer at all. This is linked to the engine stalling, because the power-steering on this vehicle is driven by a belt from the engine. No engine means no power-assistance.

  The other questions, of course, are why is the engine stalling and why only on left-hand turns. There are plenty of things that can cause a modern engine to stall from a dirty fuel filter to a blocked injector or an electronic fault. And about a million things in between. An electronic scan of the vehicle might throw up a fault code that will help a mechanic unravel what’s going on.

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• Is it common for a 2019 Mazda BT-50 or Ford Ranger to blow a motor due to a faulty oil pump?

  We have heard some reports of Ranger and BT-50 (they're the same vehicle mechanically) suffering oil pump failures with fairly terminal results for the rest of the engine. The other quirk with this engine is that you can't drain the engine of oil and leave it for any more than a few minutes without the pump running dry and needing to be primed before the engine is started.

  Not all mechanics know this and many a Ranger or BT-50 engine has been destroyed when the oil has been dropped from the sump and the mechanic has gone to make a cup of tea or do some paperwork. They return half an hour later, replace the sump plug, fill the engine with oil and start it up. But because the pump hasn't primed, there's effectively no oil pressure and the engine is reduced to scrap in a few short seconds.

  The problem is partly to do with the different design of the pump and there are even companies that have engineered more conventional oil pumps to replace the standard units on these engines.

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• There is no option for car heating in my 2013 Mazda BT-50

  I can assure you the 2013 BT-50 was, indeed, engineered with a heater and this came standard with any BT-50. The dial that controls the coldness of the air-conditioning is the same one that controls the heating. Turn the dial all the way clockwise and you should have warm air entering the cabin through the various vents.

  If not, then I'd suggest that a previous owner has blocked off the car's coolant supply to the heater core by rerouting the plumbing so the hot engine coolant no longer enters the heat exchanger in the cabin. This was probably done because the heat exchanger was leaking and this was a quick way to stop the leak and keep the vehicle operational, albeit without a heater. It's one of the oldest tricks in the used-car book.

  The best bet is to take the car to a radiator specialist who will be able to figure out what has been removed or bypassed and reinstate the necessary hardware so that your car is heated once again.

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