Parts Catalog Accessories Catalog Tech Info Tech Forums
  Search our site:    
 Cart  | Project List | Order Status | Help    

Go Back   PeachParts Mercedes ShopForum > Technical Information and Support > Tech Help

LinkBack Thread Tools Display Modes
Old 12-13-2003, 09:25 PM
Registered User
Join Date: Oct 2003
Posts: 29
Peter is changing brake pads at all related to the topic of this post
Reply With Quote
Old 12-14-2003, 11:09 AM
Registered User
Join Date: Mar 2003
Location: Southern California
Posts: 2,011
Originally posted by haasman
The 190e has the same ticking .... I am glad you posted this. I am curious as well as to why and where it is coming from.

Anybody encounter this before?

I've encountered this phenomenon a few times in my 190E, too, but I haven't a clue what it is. The ticking interval is about one to two seconds and it sounds like it's coming from behind the RH dash or maybe the RH kick panel.

I'm also not sure what the "monovalve" is. I am familiar with the vacuum operated heater flow control valve and the AC expansion valve, but not the "monovalve". What is it?

The ticking sounds like it could be some kind of mechanical relay.

Reply With Quote
Old 12-14-2003, 12:59 PM
dmorrison's Avatar
Registered User
Join Date: Dec 2002
Location: Colleyville, Texas
Posts: 2,694
The mono valve is usually located in the engine compartment. Check your service manual for the location. The sound has occured in some of the Mercedes I have owned. I have always figured it is the vacuum actuators for the Ac system bleeding the vacuum down slowly. It may make this ticking sound as it bleeds off.

1970 220D, owned 1980-1990
1980 240D, owned 1990-1992
1982 300TD, owned 1992-1993
1986 300SDL, owned 1993-2004
1999 E300, owned 1999-2003
1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD
1988 560SL, 100,000mi, owned since 1995
1965 Mustang Fastback Mileage Unknown(My sons)
1983 240D, 176,000mi (My daughers) owned since 2004
2007 Honda Accord EX-L I4 auto, the new daily driver
1985 300D 264,000mi Son's new daily driver.(sold)
2008 Hyundai Tiberon. Daughters new car
Reply With Quote
Old 12-14-2003, 08:11 PM
Registered User
Join Date: Apr 2000
Posts: 236
Mafioso: It was simply a mistake I made. I still would like an answer to my qustion. As a Doctor, I hope, as does my insurance company that these are the only types of mistakes I make. Sorry
Reply With Quote
Old 12-15-2003, 04:00 AM
Registered User
Join Date: Oct 2003
Posts: 29's ok need for any appologies....
Reply With Quote


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT -4. The time now is 01:53 AM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2016, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2011 Pelican Parts - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page