Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help



Go Back   PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Tech Help

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 06-10-2006, 03:13 PM
Registered User
 
Join Date: Apr 2006
Location: tx
Posts: 55
Arrow 190E 2.6 Coolant Leak

My 1989 190E 2.6L Gas/Auto has a coolant leak from the engine.

My vehicle experience tells me that when most water pumps leak, they leak at the shaft seal. The seal is dry on this car, i can see it and feel it's dry.

I count 1 coolant drip off the oil pan every 18-22 seconds. If I let the level run down so the light comes on, it doesnt leak until I fill the reservoir up again, and then it drips. It drips running or not. The highest place I can see green coolant is at the rearmost lower bolt that secures the A/C Compressor mounting bracket to the engine. Not sure if there is a water jacket behind the bolt, I removed both rearmost bolts that hold that aluminum bracket to the block and sealed with RTV, the leak did not change frequency. I notice that the water pump is right above the A/C Comp. But to the best of my ability I cannot see any leak directly from the water pump.

Does anyone have direct experience with a water pump leak, and does it match the symptoms you had? It looks like a nasty chore to R&R the pump.

Your wise wisdom is needed again. Thanks in advance.

__________________
1989 MERCEDES-BENZ 190E 2.6L GAS/AUTO [LOADED]
1989 MERCEDES-BENZ 190E 2.6L GAS/AUTO [PARTS CAR]**Do you need a part? PM me**
1997 ISUZU TROOPER LIMITED 4X4 [LOADED][/FONT]
Reply With Quote
  #2  
Old 06-10-2006, 08:19 PM
Achieving Salvation
 
Join Date: Sep 2002
Location: Madison, Wis.
Posts: 223
For me when my water pump started not working right, there was a leak at the very front of the car, directly beneath the pump. That's where the leak will come from.

Yeah - the water pump job is not a fun one, but I've heard it's not too terribly bad for a DIYer. Put it this way - it's better than evap. replacement on a 300E!

Good luck,
Michael
__________________
+AMDG+
2005 W203
Running as fast as I can to stay behind!!
Reply With Quote
  #3  
Old 06-11-2006, 11:41 AM
Registered User
 
Join Date: Feb 2006
Location: Jasper, TX
Posts: 31
You might want to check that little short hose from the water pump to the head, in case you haven't already.
Reply With Quote
  #4  
Old 06-11-2006, 12:17 PM
Registered User
 
Join Date: Jun 2003
Location: Southern Cali
Posts: 81
Quote:
Originally Posted by prevost3000
My 1989 190E 2.6L Gas/Auto has a coolant leak from the engine.

I count 1 coolant drip off the oil pan every 18-22 seconds. If I let the level run down so the light comes on, it doesnt leak until I fill the reservoir up again, and then it drips. It drips running or not. The highest place I can see green coolant is at the rearmost lower bolt that secures the A/C Compressor mounting bracket to the engine. Not sure if there is a water jacket behind the bolt, I removed both rearmost bolts that hold that aluminum bracket to the block and sealed with RTV, the leak did not change frequency. I notice that the water pump is right above the A/C Comp. But to the best of my ability I cannot see any leak directly from the water pump.

Thanks in advance.
My experience tells me it is your water pump. Get underneath your car and check the areas where the pump is connected to the engine block. You should see where the coolant is dripping if it is the Water pump.

let us know what it is when you find it.
Joseph
Reply With Quote
  #5  
Old 06-11-2006, 03:48 PM
sixto's Avatar
smoke gets in your eyes
 
Join Date: Jun 2000
Location: Eastern TN
Posts: 20,832
Yes. The M103 water pump leaks down towards the motor mount. Could also be the o-ring between the water pump and the block. No way to check that without pulling the pump.

Sixto

Reply With Quote
Reply

Bookmarks

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 On
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -4. The time now is 10:10 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2022, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page