Why is my car rattling when I start it?
If the rattling noise occurs when the car is stationary the origin is in the engine/transmission and/or exhaust system. If the identical rattle occurs when the car is moving, too, motor mounts or loose exhaust system components are a possibility.
Why does my timing belt make a rattling noise?
The rattling noise can come from any number of things. Check the accessory belt for any bad tension, the exhaust manifold protection, the exhaust hangers, the engine mounts, and finally the engine itself for any problems. Thanks! I have a 2001 Toyota Sienna.
What happens if your timing belt comes loose?
Symptom 2: Knocking or slapping. If the tensioner is not keeping the belt tight, the belt can come loose and hit various parts inside of the timing cover, including the cover itself. This can cause a slapping or knocking noise.
What is the frequency of the timing belt?
Meshing frequency is assumed to be the primary frequency of noise generated by timing belt drives since the noise is generated from meshing interference and land impact during operation. Meshing frequency is defined as the number of timing belt teeth that enter and exit the timing belt pulley grooves per unit of time.
How is the timing belt attached to the engine?
The timing belt is attached by way of a series of pulleys to the engine’s crank and cam shaft. The crankshaft powers the engine’s connecting rods which are attached to pistons inside the combustion chamber.
The rattling noise can come from any number of things. Check the accessory belt for any bad tension, the exhaust manifold protection, the exhaust hangers, the engine mounts, and finally the engine itself for any problems. Thanks! I have a 2001 Toyota Sienna.
What happens if your timing belt is broken?
However, your car will still be able ignite and start, but will fail to turn over, and continue running. Replacing your timing belt can be time consuming but isn’t generally expensive, however, a broken timing belt while your car is in operation can cause significant damages.
How can you tell if your cam belt is failing?
Noise coming from the engine – any kind of high pitched squealing, grinding, rattling, chirping, hissing or ticking can indicate that the belt is starting to slip from its position. If the noise gets worse in the wet, then this is a further indicator of problems.
Why does the timing belt tensioner need to be changed?
The timing chain tensioner is a part that requires a lot of work to change. That’s caused by the necessary time to reach the tensioner and to synchronize the chain, which is in the engine, not as a belt that is external.