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  #1  
Old 11-05-2003, 10:38 PM
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Join Date: May 2003
Location: Dallas, TX
Posts: 21
Coolant Leak 92 300CE

I have a coolant leak on the north side of the coolant reservoir (white plastic box). The leak is coming out from in between the hole and a black plug that plugs the hole. The black plug has a wire coming out of it. Would appreciate it very much for answers to the following questions:
1. How do I fix it? Is this a simple fix?
2. What part (pls. include part no. if known) needs replacement?
3. My guess is either change the plastic coolant reservoir or change the black plug but what about the wire that connects to it...what is the name of this black plug?
4. Finally, would a bad engine mount cause engine hiccups and/or hesitation?
Thanks for your help.
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  #2  
Old 11-06-2003, 12:17 PM
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Join Date: Apr 2001
Location: Dallas/Fort-Worth
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Just did this job last month (since a blown heater hose emptied out the coolant tank anyway ). Took about fifteen minutes.

Fastlane has it for about $40 I think.
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  #3  
Old 11-06-2003, 12:41 PM
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Join Date: May 2003
Location: Dallas, TX
Posts: 21
Thank you tkamiya & G-Benz. The drip is coming out from side of the plastic bottle not the bottom box. I don't know much about mechanicals so would appreciate more info:
1. What is a circlip and a circlip pryer? Where can I buy the pryer?
2. I don't have any light coming on so is it possible the coolant level sensor is OK and that it is the O ring or gasket that needs replacement?
Many thanks to you all good people.
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  #4  
Old 11-06-2003, 02:34 PM
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Join Date: Apr 2001
Location: Dallas/Fort-Worth
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This is what circlips look like...


...and one of many of the tools that does the job...



But I don't own one. You can use a couple of pointy instruments to do the same task (I used my gauge cluster pullers).

You're low level light won't come on unless the coolant level gets on or below the level that will trigger the light, or excess coolant manages to penetrate the contacts on the switch, causing false readings (a very common failure, the symptom mine had).

I don't know if you can just buy the seal, but if yours is original, chances are it will give you problems down the road. For all the trouble to replace the seal, I would just go ahead and do the sensor too...the kit comes with a new seal.
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2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car

Last edited by G-Benz; 11-06-2003 at 02:42 PM.
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  #5  
Old 11-06-2003, 03:10 PM
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Join Date: May 2003
Location: Dallas, TX
Posts: 21
G-Benz,
Many many thanks for the photos...You are super. The parts are available at the dealership...I'll work on it this weekend...Have a nice day..
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  #6  
Old 11-06-2003, 11:29 PM
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Join Date: Oct 2000
Location: oakland ca usa
Posts: 126
Snap Ring Pliers

The tool(s) shown in the photo are called Snap Ring Pliers.They can be of the internal or external type..most are reversable. The clip on the low level sensor is commonly called a snap ring and with the above shown tool can be easily removed.The tools can be purchased at Auto Zone/Sears and numerous other stores and dont cost much.Good investment in the long term.

Phillip
1992 300CE
1999 C43
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  #7  
Old 11-07-2003, 01:16 PM
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Join Date: May 2003
Location: Dallas, TX
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To tkamiya, G-Benz and supermech2001,

Again many thanks for your help. I wish you all a nice day.
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