156 T/S timing belt issues, tensioners?
Some issues with the 4 cylinder engine in the timing belt area.
This should be very relevant to people , would be greatly appreaciated if those who know can add something?
Started off trying to find a noise/clatter in the timing area.
Found the cam belt idler wheel that has stripped the thread in side of the engine.
Be careful here as the bolt does not protrude enough into the engine, so it can be stripped.
My solution is to put a long stud into the engine and secure the cam wheel with a nut.
You need to use the head of the bolt on the tensioner because it locates the bearing. Grind off the head and drill to suit a 8 mm stud.There is about 10mm of thread in the engine that is not used, locktite the stud.
Cam belt tension , how do others set it ?
Belt deflection , what amount?
Found the belt very tight ,too tight.
Balance shaft belt.
This has a idler wheel at the front, near the aircon,
which has a spring-loaded center that takes up movement in the belt.
Is this preloaded up to rotate the centre tang back?
It was noisy when it was slack. Clacking noise, thought it was stuffed but tried a diffent adjustment and it was mostly gone, the noise.
There is a lot of potential for noise and worse problems in this area, anyone here mastered the situation?