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Hi everyone
My 2009 W212 E250CDI has a coolant leak from the plastic elbow that goes thru the false firewall at the rear of the engine. Can anyone help with a part name or number, and a procedure to remove and replace?
thanks in advance.
cheers
Last edited by Ken Hooper; Feb 3, 2022 at 05:15 AM.
Reason: Didn’t put in text
Does this resemble part in question? Pulled hose part # a2048305996 (180 in diagram) and EPC shows it’s connected to 150 picture shown. If so, need VIN to supply correct part #.
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Hi everyone
My 2009 W212 E250CDI has a coolant leak from the plastic elbow that goes thru the false firewall at the rear of the engine. Can anyone help with a part name or number, and a procedure to remove and replace?
thanks in advance.
cheers
hi Ken . Did you find a part number for the elbow joint that was leaking as my merc is doing the same thing . Looks easy enough to change , looks like there is a pull clip up against the fire wall to release the elbow joint then remove pipe from that elbow then replace in reverse by the look of it, but yeah just wondering if you found a part number. Many thanks in advance . Marc
The arrangement as follows :
01. Plastic pipe A from rear of engine. Pipe A.
02. Plastic pipe B. Some engine only have Pipe A and not B.
03. That hose in the photo, hose 1 of 2. From plastic pipe to firewall
04. The hose 2 of 2 which will receive hose 1.>>> This is firewall to HVAC heater core.
If you want to be safe, change all 3 or 4 of them.
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