The timing belt is the one that is responsible for synchronizing the entire engine. If it is on the verge of a break down it is almost impossible to move your vehicle automatically. It must be changed or replaced in a preventive manner to avoid further damage. If the belt breaks it can damage many internal parts of the engine and even make it unusable.
Fortunately, car user manual tells you after how many miles or kilometers you should change the timing belt. For most of the vehicles, the average is between 37,282 and 99,419 miles (60,000 and 160,000 km) depending on your vehicle type. It is costly to change the timing belt, but it can be much more expensive if the belt is broken.
- Hydraulic Jack: To lift the vehicle and remove one of the wheels.
- Axle Stands: To keep the vehicle elevated while changing the timing belt.
- Toolbox: You must have Screwdrivers, Lever, Spanners to loosen or tighten several bolts and Nuts, Cross wrench and Allen wrench.
- Gloves: To protect hands from motor fluids while working.
How to Change The Timing Belt?
Here we will show you a step by step process on how to change the timing belt:
1) Lift the Vehicle And Remove The Wheel
Depending on the position of your engine locate which side is the belt. Then enter the hydraulic jack and lift the vehicle. After this, place the Axle Stand to keep the vehicle elevated. Use the key cross to loosen the nuts and remove the wheel.
2) Remove Accessories or Belt Guards
On each model of Vehicle, you have different access to the belt so it is necessary to remove some accessories or the belt guard. If you have doubts, check the vehicle user manual, it tells you what they are.
3) Block the Pulleys
Block the pulleys of the timing belt propping the engine as it comes from the factory, you may need a lever or a flat screwdriver is enough.
4) Synchronize the Engine
Turn the engine with the Crankshaft screw until it aligns completely. Then you must mark the position of each of the pulleys to remember their original position with respect to the belt and the engine with a Tipex or white marker.
5) Loosen the Tensioner Roller and Remove the Timing Belt
Tensioning rollers can be automatic, spring loaded, with hydraulic or manual lift. You must loosen it in some way or another and after loosening it pull out the timing belt.
6) Remove the Tension Rollers and the Water Pump
After removing the timing belt remove the tension rollers and take advantage of changing the water pump as it is economical and you will save on having to disassemble everything again.
7) Place The New Timing Belt
After replacing the water pump, place the tensioning rollers and then the new timing belt, attaching it to the marks you put on before so that it is properly aligned.
When it is well aligned adjust the tension of the rollers and then give several turns to the engine again with the crankshaft screw.
8) Replace The Timing Belt Accessories and Guards
If you removed these items, put them back in their position and make sure everything is tight.
9) Turn On The Vehicle and Check The Operation Of The Belt
Accelerate the vehicle sharply several times to check if the belt has a correct tension. If the belt is a bit tight, it vibrates and buzzes when it decelerates, if it is too tight the belt will sound like a whistle at low and high revolutions. After checking that everything is in order, the wheel is assembled again and the vehicle is lowered and that is all.