This VW Polo 1.9 TDI came in for a timing belt replacement for it is due according to its mileage. As mentioned in our previous article, we recommend our customers to replace the timing belt every 120 000 kilometres.
The timing belt synchronizes the movement of the crankshaft and the camshafts to make sure the engine intake and exhaust valves open and close in time with the pistons. The timing belt is located under the timing cover and it’s an internal engine component.
The timing belt is a hard rubber belt with teeth that interlock with the cogwheels of the crankshaft and the two camshafts. And like many other parts, a timing belt also has limited time of functioning when starting to wear.
Over time, the timing belt will start to become thinner as it wears out. And eventually this will cause the belt to brake or snap. Now, when the belt brakes, this causes a lot of damage to the vehicle’s engine. Luckily this customer came in for a timing belt replacement before he faces any damage.
Usually, we also replace the water pump when doing a timing belt replacement. The water pump is also located on the side of the engine under the timing cover. The water pump also wears out and after a long while, it’s bearing starts to make noises and it can start to leak. When the water pump is damaged, it can cause coolant to leak and that can lead to overheating, which also has a lot of consequences for the engine.
Common signs that indicate the timing belt needs to be replaced:
1. A ticking noise coming from under the hood when the engine is running. 2. The vehicle doesn’t want to start. 3. Engine misfires while driving. 4. Oil leak from the front side where the belt is under the hood.
Common signs that indicate the water pump needs to be replaced:
1. Coolant leaking from the centre front of the vehicle. 2. Water pump pulley is loose and making a whining sound. 3. Engine is overheating. 4. Steam coming from the radiator. It is very important to be alert when you experience any of the signs mentioned above. We advise you to keep your services and repairs of the vehicle up to date. Trust your Audi and VW specialists at V.A.G. Spec Centre to take care of your vehicle and give you the best advice.
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