if i remember correctly the 2001 still has an interference engine.....if your timing belt broke you surely pinged some valves.
Parts like, valves/pistons/etc are no longer synchronized when a timing belt breaks. Often belts will stretch to merely "jump time" so parts no longer have the clearance necessary for safe movement.
The synchronization of the pistons and valves is lost and they are free to crash into each other inside combustion chambers causing expensive or often fatal engine damage
by 60000 miles,,just trashed my motor the belt broke and i was at 69000,,and almost 3K later i got a new motor
The error rate is less taht 1%. You should have your valves inspected often.
Depends on if the engine is an interference engine or not, and how fast it shut down when the belt broke. Interference in this case means that valve and piston reach can overlap, which very often means that when they fall out of synch they smash into each other. If it's a non-interference engine it's no worries.
It depends on the engine and how it's designed. Often an engine is designed with limited clearance between the valves and the piston. When a valve is opened, it is often in the same space that a piston occupies when it's at TDC. If that's the case, a broken timing belt will result in a destroyed engine. Other engines are not engineered to have that kind of compression so the pistons have a recess for the valves. The first type is called an "interference engine", meaning that the valves and pistons would interfere with each other if they're both trying to occupy the same space. The second is NOT an interference engine. Timing belts are a cheap way to build an engine. GOOD engines use timing chains which do not typically fail until the engine is pretty much worn out.
Duplex valves are often used in seawater applications of valves as they are very corrosion resistant.
how often do i have to change the timing belt on my rover400
Normally they're called valves. There are some trumpets out there with rotary valves, which are often just called keys.
If the timing chain breaks while the engine is running, this can cause the pistons to collide with the valves with disastrous consequences. This will often damage the engine beyond repair. Since this is the case, many newer car engines are designed to mitigate this. This includes most cars made since the early 1990's.
the 2001 does not have a timing belt,instead a timing chain,which does not required replacement as often as belt
valves