Timing chain tensioner

[hamada128]

BTW, how you know that your Timing Chain Tensioner is bad??

[Jevile219]

He said it was diagnosed by a german/mercedes mechanic

[hamada128]

Originally Posted by Jevile219

He said it was diagnosed by a german/mercedes mechanic

i know, but i meant this rattling noise.

Originally Posted by MTI

The '85 is a single row chain. The typical indication that there's too much chain slack (stretched chain or failing tensioner) is that there's a rattle on start up that goes away once oil pressure builds up. What's happening is that the old style tensioner relied on oil pressure to push on the chain rail. The updated version uses a coil spring to maintain tension rather than oil pressure.

[Kynyption]

You...listen?

[hamada128]

who me??

[Kynyption]

You asked how to hear the rattle. I'm telling you. You have to listen

[Jevile219]

Originally Posted by Kynyption

You asked how to hear the rattle. I'm telling you. You have to listen

that's kind of what I was thinking.

Really, what did you mean hamada???

[hamada128]

i mean what kind of noise you should hear and coming from where exactly?
coz sometimes i have the rattling noise but coming from the water pump area.

[Kynyption]

Comming from the front of the engine, where the chain is located.

[hamada128]

and the water pump is in the front of the engine too, but you know what is weired, now i just installed a new thermostat with plastic cover and drained the cooling system from any trapped air, and i didnt hear the rattling this time, i replaced everything and started the car from cold start which usually gives my that noise if i start it from cold start.