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Author Topic: Engine Leaks  (Read 6684 times)

bpossel

  • Guest
Engine Leaks
« on: January 15, 2007, 18:42:27 »
Hi All!

I noticed another slight leak today :( .  See attached pic.
Download Attachment: leak1.jpg
72.81 KB

 :?: Can this leak be fixed by simply unbolting the allens and replacing the gasket?

 :?: Anyone ever do this procedure?

 :) Thanks!
Bob


bpossel  (Memphis, TN.)
'71 280SL  /  '97 E320
« Last Edit: January 16, 2007, 06:54:01 by bpossel »
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aomastu

  • Guest
Re: Engine Leaks
« Reply #1 on: January 15, 2007, 19:25:13 »
Bob,

I have many leaks also, and will watch this thread.  Is this at the front of the engine, passenger side, under the headers?

'69 280sl
P.O. Box 150128
Austin, TX  78715
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bpossel

  • Guest
Re: Engine Leaks
« Reply #2 on: January 15, 2007, 19:56:41 »
Under the headers, right side...
Bob

bpossel  (Memphis, TN.)
'71 280SL  /  '97 E320
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al_lieffring

  • Guest
Re: Engine Leaks
« Reply #3 on: January 15, 2007, 21:43:14 »
Bob

The cover plates on the right side of the engine block are coolant jacket covers. The only oil passages in the block are on the left side of the motor. Are you sure that it is an oil leak, not a coolant leak?

Al  



66 230sl
113-042-10-014715
904/396 blue, Ivory Tex
condition: not-as-rusty-as-before-bucket
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Vince Canepa

  • Guest
Re: Engine Leaks
« Reply #4 on: January 16, 2007, 06:30:53 »
Oil leaks at the front of the engine will show up on the right side where your picture shows oil residue.  A good candidate to check (besides all the usual culprits) are the two socket head bolts inside the chain gallery.

Vince Canepa
1967 250SL
113.043-10-001543
568H Signal Red
116 Caviar MB-Tex
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bpossel

  • Guest
Re: Engine Leaks
« Reply #5 on: January 16, 2007, 06:53:26 »
Thanks Al & Vince,

It probably is oil from the front and even a small bit of coolant, so when it hits the garage floor, it looks like oil.

I will change the heading on the post to simply "Engine Leaks!"

 :?: My question still is...  to change the gaskets on these small plates on the right side, is it as simple as:
1.  drain coolant
2. unscrew allens
3. replace gaskets
4. button it back up!

 :?:  :?: Has anyone done this one?

 :) On a Winters mission to get my 113 engine leak free & a dry garage floor...
Bob

bpossel  (Memphis, TN.)
'71 280SL  /  '97 E320
« Last Edit: January 16, 2007, 06:54:52 by bpossel »
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jlennon3

  • Guest
Re: Engine Leaks
« Reply #6 on: January 16, 2007, 17:04:55 »
When rebuilding my engine, I noticed these water jacket "plugs" appear to be sealed with a hard gasket former, long with the OEM paper gasket. So I used Permatex Form A Gasket along with the new paper gasket during reassembly. No leaks so far and has been close to two years
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Vince Canepa

  • Guest
Re: Engine Leaks
« Reply #7 on: January 17, 2007, 06:46:55 »
Bob - The procedure is as you describe.  Careful with the allens, of course, if they have not been moved in 30+ years.

Vince Canepa
1967 250SL
113.043-10-001543
568H Signal Red
116 Caviar MB-Tex
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bpossel

  • Guest
Re: Engine Leaks
« Reply #8 on: January 17, 2007, 07:03:02 »
Thanks Vince :) !
Bob

bpossel  (Memphis, TN.)
'71 280SL  /  '97 E320
« Last Edit: January 17, 2007, 07:03:24 by bpossel »
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AudioGuy

  • Associate Member
  • Senior
  • ***
  • USA, MN
  • Posts: 177
Re: Engine Leaks
« Reply #9 on: May 10, 2008, 12:40:01 »
Has anyone ever tried Bar's Leaks Rear Main Seal Repair to stop leaks?

Mark Flaten

Mark Flaten
1966 230SL
1970 280SL
President, Twin Cities Section
Mercedes-Benz Club of America
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Mark
1986 Porsche Carrera
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