|
|
|
#1
|
||||
|
||||
TONS of black smoke on w115
Hey all,
So our 1970 220 has kind of been undriveable because it emits so much black smoke. I know these things smoke, but there shouldn't this much at all, there will be a small bit of white smoke and then after that it's just huge clouds of black smoke. She wasn't always this bad, but has gradually gotten to this point. My dad and I think it could be the injectors since we're pretty sure they're the originals but it could be anything I guess.. Where should we start looking? When you accelerate is when you get the black clouds but at idle or cruising on the highway she's decent-to little to none. It was so bad going up a hill that a cop had pulled over my dad about it.. We've kind of just pushed our 220 aside because of this, but I'm thinking of possibly using her as a daily driver and maybe taking her up north with me if I get accepted into the school I'll be applying for, but I need to get this smoke issue fixed. Any input is greatly appreciated!
__________________
2007 BMW 328XI |
#2
|
|||
|
|||
i would adjust the valves, install rebuilt injectors, and make sure your timing chain is in shape. not sure what order to put those in, but they will almost certainly help a lot.
__________________
'77 240D, 504H, OM617.952, etc. |
#3
|
|||
|
|||
Air filter? You may have the oil bath kind. I've never messed with one that old.
__________________
Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. |
#4
|
||||
|
||||
Have you tested the vacuum regulator diaphragm and housing for leaks?
|
#5
|
|||
|
|||
You can have a bad governor diaphragm on the rear of the inject pump and you can also have a bad vacuum pump diaphragm. Agreed the oil bath filter can also be all gunked up too.
__________________
|
#6
|
||||
|
||||
Thanks guys, I'll start there, probably with a valve adjustment, we hadn't done one since 2009 and I don't think we got a very good one then. We do have the oil bath filter but I've cleaned it already a few times so I think that should be okay, although I wish I could get a new one.. I wonder if Mercedes would be able to get them or the MB classic center?
__________________
2007 BMW 328XI |
#7
|
||||
|
||||
No, but I'll check them out today hopefully
__________________
2007 BMW 328XI |
Bookmarks |
Thread Tools | |
Display Modes | |
|
|