No special tools are required. No machine shop work either. I used all the original parts inside the valve. The only thing new is the pop rivets, available at any home depot, auto parts store.
up by the firewall just in front of the black cover that has a label listing some engine specs and a/c charge specs,find that and then just move your eyes toward the front of the car a bit and you will see the two valve cans in that open recess.Most times a firm whack with a handle of a screw driver will free them up if they are sticking and the drivers side is warm and the pass side is cool with the a/c on.
yeah i have had that problem intermittently but not for quite a while now. in fact i think that only happened once w/ this car...
by pass side do you mean it's accessed on the interior or via opening up the hood? just curious.
Hey, FJ, look in the removal/cleaning DIY I just freshened, there are pics (worth a thousand posts, er words, right?).
Or I still have the link to the pics, so here's one that will help you ID it:
Take care and enjoy the ride,
Greg
__________________ If the only prayer you say in your life is thank you, that would suffice. Meister Eckhart
When you learn from your own mistakes, that's experience.
When you learn from the mistakes of others, that's wisdom.
When you fail to learn from any mistakes, that's government.
Vehicle: 1996 LHD German Imported W210 E420 Estate
Location: Midlands, UK
Posts: 87
After taking my duovalve apart on my W210 E420 for a clean up I noticed one of the valves had a broken stem. Tried 5 times to glue it but as soon as it was entered into the duovalve and then put back together it would snap again!
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