How is a timing belt used in an engine?
An engine timing belt is a fiber reinforced, toothed drive belt manufactured using durable compounds such as highly saturated nitrile. The timing belt allows the crankshaft to drive the camshafts in the cylinder head at half the RPMs of the crankshaft.
How much does a timing belt replacement cost?
Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. Mazda B2300 Timing Belt Replacement costs $402 on average. What is a timing belt and how does it work?
How do you change the timing belt on an Acura MDX?
Disconnect the battery ground cable. Once the engine is cold, set the crankshaft to top dead center with the number one piston on the compression stroke. Remove crankshaft pulley. Remove all accessories interfering with the removal of the timing belt covers. Remove timing belt covers.
When do I need to replace my timing belt?
If your engine is of the interference type, it is especially important to replace the belt according to the maintenance schedule because sudden breakage of the timing belt, while the engine is running, will likely cause significant damage to internal engine components such as the valves and pistons.
Disconnect the battery ground cable. Once the engine is cold, set the crankshaft to top dead center with the number one piston on the compression stroke. Remove crankshaft pulley. Remove all accessories interfering with the removal of the timing belt covers. Remove timing belt covers.
What happens when the timing belt jumps on a car?
On some engines, if the timing belt has jumped, the pistons and valves can collide and there will be noise and damage. These engine designs are referred to as interference engines.
Where is the pulley on a Mazda 3?
The design has a pulley outside of the timing cover and a cogged gear inside of the timing cover on the end of the crank shaft. The cogged gear is never replaced unless there is a problem with it, it is pressed onto the end of the crank and you would need a gear puller to remove it.
Can a crank pulley be removed without a timing cover?
Unless the crank pulley is radically different then any other car I have seen you can remove the crank pulley without removing the timing chain, so you don’t have to lock the cams together. The design has a pulley outside of the timing cover and a cogged gear inside of the timing cover on the end of the crank shaft.
How to change crank pulley-harmonic balancer?
Then remove that bolt and the crank lock and rotate the engine 360 degrees back to tdc (use the crank lock) and try to insert the m6 bolt again in the harmonic balancer, if it lines up you are golden. If you need more help shoot me a PM or an IM.
How to line up a harmonic balancer on a Mazda 3?
When you have the crank locked and the cams locked, there is a hole that you can use to line up the balancer in the proper position. If it’s aligned you should be able to insert an m6 bolt (probably need 20mm or above in length) into the hole and lock it while you tighten down the crank pulley.