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94 C280 need coolant flush help
Hi All,
I tried locating the radiator drain cock from underneath and can't find it as show on the pictures (R=passenger and L=driver side). Am I looking at the right place? On the third picture, is this the coolant drain plug (item B) from the engine on the passenger side (size 19mm)? On the fourth picture, is this the thermostat housing (item C)? Thanks ahead for the help as I'm in desperate need of new coolant...
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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 Last edited by sjsfiji; 04-03-2007 at 02:36 PM. |
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In the picture labled 'L', there is a red nob on the left with a flathead screwdriver slot in the bottom, turning it should release fluid from the rad.
You will also need to open the drain on the passenger side of the engine block under the exuast manifold if you wish to get out all of the fluid. (edit: what you have labled 'B' looks about right [but cleaner than mine]) There is a bolt along the sensor rail on top of the head (on an M103 not sure about M104) that will allow air into the back side of the system and allow it to drain faster/more completely. (like opening a can with only one punch hole at the top it wont drain well from the block if you don't open that bolt.) 'C' is the thermostat housing. Also open the expansion tank.
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-Marty 1986 300E 220,000 miles+ transmission impossible (Now waiting under a bridge in order to become one) Reading your M103 duty cycle: http://www.peachparts.com/shopforum/showpost.php?p=831799&postcount=13 http://www.peachparts.com/shopforum/showpost.php?p=831807&postcount=14 Last edited by A264172; 04-03-2007 at 02:54 PM. |
#3
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Wouldn't hurt to put some anti-seize compound on the treads of the block drain fitting after wire brushing it. Don't over-tighten it as well. I can look up the torque if you wish.
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yes please....
can you provide the torque spec for that and the 3 bolts for the thermostat housing as well please...
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 |
#5
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You can remove or loosen the lower hose to drain the radiator.
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Closing the store Benzbonz.biz on your smart phone or tablet. |
#6
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Block drain plug: 30 NM or 22 lb.ft.
Thermostat housing cover: 9 NM or 6.6 lb.ft. If you remove the thermostat housing cover, you will need to replace the "O" ring. |
#7
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thanks....
thank you...
__________________
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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