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  #1  
Old 11-05-2002, 02:00 PM
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Join Date: Sep 2002
Location: San Francisco Bay Area
Posts: 452
coolant flush question...

Hi,

The previous owner used Prestone. How do I flush the system before using the MB coolant. What do i flush it with?

thanks,
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sjsfiji

'87 W124 260E (DD)
98K orig. mi. @7/15
CLK 7-Spoke Forged Wheels
Neuspeed springs/Bilstein Sport
4/3 bump (F/R)

'97 993 Carrera
106K orig. mi.
Always driven like it's stolen
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  #2  
Old 11-05-2002, 03:25 PM
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Join Date: Oct 2001
Posts: 592
until you get adult responses, try searching under key words citric acid.
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  #3  
Old 11-05-2002, 05:58 PM
Bud
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According to the E-Class Owner's Bible, use MB alkaline cooling system cleaner (P/N 001 986 21 71). Using a 3% solution is supposed to work well.

I recently had a head gasket replaced and the dealer used this stuff and flushed it twice to make sure they got the oil out of the system.
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  #4  
Old 11-05-2002, 06:38 PM
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Join Date: Sep 2002
Location: San Francisco Bay Area
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Thumbs up great info...

Thanks for the info...
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sjsfiji

'87 W124 260E (DD)
98K orig. mi. @7/15
CLK 7-Spoke Forged Wheels
Neuspeed springs/Bilstein Sport
4/3 bump (F/R)

'97 993 Carrera
106K orig. mi.
Always driven like it's stolen
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  #5  
Old 11-06-2002, 08:17 AM
LarryBible
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Yes, the flush agent above is the correct thing to do. The only thing I can add is that once you have used the flush, you can rinse everything away very thoroughly on these cars with a garden hose.

Begin, by removing the hose at the drivers side rear of the cylinder head and the hose from the auxilliary water pump. Rig up a way to connect your garden hose, or if you don't mind the possibility of getting a little wet, simply hold the garden hose to the hose that you removed from the head. This will reverse flush the heater core. Flush it thoroughly until good clear water is coming out and all flush agent is removed.

Then at the passenger side rear of the engine behind the exhaust manifold is a drain port that will accept a piece of hose. Open it, and open the bottom drain of the radiator at the passenger side front of the radiator. Make an adapter for your garden hose that will fit over the block drain. With the engine off and the radiator drain open, apply garden hose pressure here for a little while to flush everything out.

Do everything you can to flush alot of water through. Remove your hose and drain out as much of the water as possible. You can blow into the heater core a little to flush out most of the water that is in there.

With everything back together, for 50-50 antifreeze/water, pour in about 4.5 quarts of antifreeze, then top off with water. Run the engine with the pressure tank cap off and let the level drop after the thermostat opens. Top it off with water and you should be all set.

Good luck,
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  #6  
Old 11-06-2002, 11:49 AM
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Location: San Francisco Bay Area
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Thumbs up great

You're the man Larry... many thanks...
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sjsfiji

'87 W124 260E (DD)
98K orig. mi. @7/15
CLK 7-Spoke Forged Wheels
Neuspeed springs/Bilstein Sport
4/3 bump (F/R)

'97 993 Carrera
106K orig. mi.
Always driven like it's stolen
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  #7  
Old 11-06-2002, 12:30 PM
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Join Date: Jun 2001
Location: California
Posts: 324
Check the label on the MB antifreeze bottle. It will give you the proper ratio to use for your climate. 50/50 is not correct for all climates.
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  #8  
Old 11-11-2002, 06:52 PM
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Join Date: Sep 2002
Location: San Francisco Bay Area
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MB alkaline cooling system cleaner (P/N 001 986 21 71)

Where can i buy this?

thanks,
__________________
sjsfiji

'87 W124 260E (DD)
98K orig. mi. @7/15
CLK 7-Spoke Forged Wheels
Neuspeed springs/Bilstein Sport
4/3 bump (F/R)

'97 993 Carrera
106K orig. mi.
Always driven like it's stolen
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  #9  
Old 11-11-2002, 07:04 PM
Bud
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Re: MB alkaline cooling system cleaner (P/N 001 986 21 71)

Quote:
Originally posted by sjsfiji
Where can i buy this?

thanks,
Your local MB dealer should stock it. It's an MB part.
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  #10  
Old 11-11-2002, 07:15 PM
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Join Date: Sep 2002
Location: San Francisco Bay Area
Posts: 452
dealer item...

I called one here and they don't have such thing. This avail in the net?

thanks,
__________________
sjsfiji

'87 W124 260E (DD)
98K orig. mi. @7/15
CLK 7-Spoke Forged Wheels
Neuspeed springs/Bilstein Sport
4/3 bump (F/R)

'97 993 Carrera
106K orig. mi.
Always driven like it's stolen
Reply With Quote
  #11  
Old 11-11-2002, 07:32 PM
Bud
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Posts: n/a
Re: dealer item...

Quote:
Originally posted by sjsfiji
I called one here and they don't have such thing. This avail in the net?

thanks,
That's a valid p/n. I'm sitting here looking at an Invoice from my Mercedes dealer in Scottsdale, AZ and that part is shown on it (cleaning compound @ $18.70).

If you are near California, call Caliber Motors at 1-800-252-8877 and have them ship it to you UPS ground. You could also have your local dealer order it for you.
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  #12  
Old 11-11-2002, 07:46 PM
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Location: San Francisco Bay Area
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Thumbs up in stock

Just called and they do have it in stock for $14.30, coolant is $13.65 and t-stat is $28.60.

According to him, the cleaner is a degreaser.

Do I still need to flush with citric acid before or after the degreaser????

thanks,
__________________
sjsfiji

'87 W124 260E (DD)
98K orig. mi. @7/15
CLK 7-Spoke Forged Wheels
Neuspeed springs/Bilstein Sport
4/3 bump (F/R)

'97 993 Carrera
106K orig. mi.
Always driven like it's stolen
Reply With Quote
  #13  
Old 11-11-2002, 07:57 PM
Bud
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Posts: n/a
Actually, you probably don't need the degreaser. The citric acid is probably the right thing to use.

Incidently, I just bought MB anti-freeze for $10.50 and a T-stat for $15.29 from here.

http://www.***************/

Since I spent over $75 shipping was free. It was supposed to be sent UPS ground but I got it in three days Atlanta to Phoenix.
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  #14  
Old 11-11-2002, 08:04 PM
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Join Date: Sep 2002
Location: San Francisco Bay Area
Posts: 452
Thumbs up great

thanks for the great info...

I will go ahead and buy the things i need for coolant flush, oil change, etc... and get the free shipping...

thanks again....
__________________
sjsfiji

'87 W124 260E (DD)
98K orig. mi. @7/15
CLK 7-Spoke Forged Wheels
Neuspeed springs/Bilstein Sport
4/3 bump (F/R)

'97 993 Carrera
106K orig. mi.
Always driven like it's stolen
Reply With Quote
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