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Old 12-04-2007, 10:49 AM   #11 (permalink)
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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.
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Old 12-04-2007, 02:51 PM   #12 (permalink)
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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.
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Old 12-04-2007, 03:10 PM   #13 (permalink)
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engine comp

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.
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Old 12-04-2007, 04:02 PM   #14 (permalink)
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Quote:
Originally Posted by fju2112 View Post
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
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Old 12-04-2007, 06:11 PM   #15 (permalink)
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awesome, thanks guys!
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Old 12-27-2007, 07:49 PM   #16 (permalink)
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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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Old 08-06-2009, 05:39 PM   #17 (permalink)
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I took apart the duovalve and I didn't see any damage on the valves. There were a few small (1/16" to 1/8") brown chips that looked like plastic so something must be wrong but I couldn't find any damaged part. The stems were in place and everything else was clean. I'll have to take it apart again for another look for chips on the stem.
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Old 08-07-2009, 10:19 AM   #18 (permalink)
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Quote:
Originally Posted by Joe_nj View Post
I took apart the duovalve and I didn't see any damage on the valves. There were a few small (1/16" to 1/8") brown chips that looked like plastic so something must be wrong but I couldn't find any damaged part. The stems were in place and everything else was clean. I'll have to take it apart again for another look for chips on the stem.
Can you take some pictures for us to have a look as well? Thanks Joe.
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