Can someone PLEASE, tell me the step by step procedure to change the dual valve of a c280 1996?
I will appreciate it.

 

Just changed the Dual Valve in my 94 C280. Assume it's the same. Very easy except tight working space. Here's how I did mine:
1. Removed the bracket that holds the valve to the fender well. It gives you alittle more room to work.
2. Removed the 3 clamps that hold the valve in place.
3. After removing the unit, I slid the valve off of the bracket (rubber mounts).
4. When installing the new valve, make sure you have the clamps lined up correct. It's a tight working space.
5. I started with the lower longer hose as it's the hardest 1 to replace. Then installed the other lower hose. The last hose I installed was the front one.
6. Reattatched the bracket to the fender well.
Done!!
Good Luck
Greg

 

Thanks Pguard. I appreciate your response. One more question. Where is the location of the valve? Is it under the fender oron the fender side insidethe engine compartment? Thanks again for your help.

 

The Dual Valve is located on the passenger side under the hood. When you lift the hood, look at the upper left hand corner of the engine bay, and you will see a small triangular plastic cover. The valve is under the cover next to the Vaccuem Block.
It's accually not attached to the fender well but to the engine bay wall. If you have any other questions, let me know.
Good Luck
Greg