Bearing noise - cam belt and water pump price??

[geared 306]

2 years down the line you're not going to prove anything definitively, you're going to have to reach into your own pocket to sort this one out.

[Shogun 10]

Any fault with the cam belt can be the end of the engine if it fails, the noise will probably be the cam belt tensioner rattling if that fails the cam belt will slack and slip and the timing will be lost that will again be an end to the engine, it is always best to change the belt the pulley and the tensioner and the water pump as a course,£400 is about the going price for that job give or take fifty quid,you can not cut corners when it comes to the cam belt failure of the cam belt will ruin the engine,some basic imformation on how a cam belt works,,,the belt is driven from the crank it turns the camshaft that engages the valves in the cylinder head if the belt fails the vales stop in the open position the pistons move up the cylinders and hit the valves smashing the pistons and bending the valves usually totaling the engine,,on retrospect £400 is a small price to to pay.