How is the timing belt connected to the camshaft?
In the internal combustion engine application the timing belt or chain connects the crankshaft to the camshaft(s), which in turn control the opening and closing of the engine’s valves. A four-stroke engine requires that the valves open and close once every other revolution of the crankshaft.
How long does it take to change timing belt?
Changing a timing belt and water pump can take anywhere from 1-3 hours depending on your skill level, so make sure you have the time and space to complete the job. Do the following before you start: Jack up the front of the car so you can access the undercarriage beneath the engine.
Should I replace the water pump at the same time as the timing belt?
If that is the case, then it is advisable to replace the water pump & auxiliary drive belt at the same time as the timing belt while the mechanic has access to all the parts. Once the timing belt is removed, it is only a matter of loosening a few more bolts and screws to change the water pump as well.
Why is the timing belt called a timing belt?
A timing belt is the most important belt in the engine. It’s a toothed belt that runs the engine camshaft(s). It’s called a timing belt because it precisely “times” the up-and-down movement of the pistons with opening of the valves. Timing belt.
Is the timing belt the same as the cam belt?
Whether your car has a timing belt or a timing chain depends on the make and model. For example, most BMW and Mercedes cars use cam chain engines. Check you vehicle handbook to find out whether your car has a belt or a chain. When to replace the cam belt
How often do timing belts need to be replaced?
Those belts must be replaced periodically. The replacement interval varies by car maker and engine, but common replacement intervals range from as often as every 60,000 miles to as long as 110,000 miles. The interval depends not only on the design but also the type of rubber used in the timing belt itself. What is a timing belt?
Can a cam belt crack if not replaced?
Unless they’re “wet belts”, cam belts can dry out and crack over time if they’re not replaced. Does your car have a cam belt or a chain? Whether your car has a timing belt or a timing chain depends on the make and model.
What does the timing belt do on an OHC engine?
The timing belt (or chain) is the sole component that keeps the camshaft (make that camshafts on a DOHC or V-type OHC engine) and crankshaft in sync.
How to tighten camshaft sprocket on Polo Mk5?
Cast lug on inside of valve timing housing prevents timing chain from falling down. Position chain sprocket -1- on camshaft and tighten securing bolt -2- to 50 Nm. The camshaft sprocket must be tightened to 50 Nm so that the camshaft can be turned in position as described below.
Where is the timing chain located in an overhead cam engine?
In overhead cam (OHC) engines, the camshaft is located high in the cylinder head far from the crankshaft. This requires a much longer chain or a rubber belt to drive the camshaft. In some engines, such as a Chevy 3.4L DOHC V6, a timing chain is used to drive an intermediate sprocket that drives two belts (one for each cam).
Do you need a timing chain to drive a sprocket?
This requires a much longer chain or a rubber belt to drive the camshaft. In some engines, such as a Chevy 3.4L DOHC V6, a timing chain is used to drive an intermediate sprocket that drives two belts (one for each cam). Timing belts and chains carry a heavy load.
Where is the spring balance on a camshaft timing belt?
Fit the hook to the belt midway between the camshaft and crankshaft sprockets , at the level of the water-pump intake-hose stub. Pull the spring balance until the edge of the belt is in line with a raised mark on the water-pump intake-hose stub. The balance should read 11 lb (5 kg) for a used belt, 13 lb (6 kg) for new belt.
In overhead cam (OHC) engines, the camshaft is located high in the cylinder head far from the crankshaft. This requires a much longer chain or a rubber belt to drive the camshaft. In some engines, such as a Chevy 3.4L DOHC V6, a timing chain is used to drive an intermediate sprocket that drives two belts (one for each cam).
This requires a much longer chain or a rubber belt to drive the camshaft. In some engines, such as a Chevy 3.4L DOHC V6, a timing chain is used to drive an intermediate sprocket that drives two belts (one for each cam). Timing belts and chains carry a heavy load.
How does the camshaft timing belt work on a Vauxhall?
Slacken the securing bolts and move the belt tensioner as required to adjust the tension. On some VW, vauxhall and similar engines, the belt tension is checked by twisting and the tensioner is adjusted manually. The belt tensioner has no automatic spring.