Anyone know which HF injector socket would better suit my need to remove injectors on my 92 300D (2.5T)? I am going to need to dig in to do some diagnostics, and I see there are two types at HF that state they will fit Mercedes: PN 99878-1VGA is one, and 99884-3VGA is the other. Both are 22mm, but one is deeper than the other. If one is a better choice than the other, I'd like to know. I need to order their diesel compression tester, too.

Thanks!

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1992 300D 2.5T
1980 Euro 300D (sadly, sold)
1998 Jetta TDI, 132K "Rudy"
1974 Triumph TR6
1999 Saab 9-5 wagon (wife's)

You sure thats 22mm and not 27?

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

Either those sockets are for gas injectors (I'm not familiar with them) or Harbor Freight has an error about the size. The diesel injectors are 27mm. That socket is available at ZDMack, Samstag Sales & check with Mercedes Shop as they also carry several special tools. I believe some have said they got away with using a standard 27mm deep 12pt. as long as the wall is thin enough to clear the fuel return tubes.

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Sam

84 300SD 350K+ miles ( Blue Belle )

I just looked and it seems like every engine uses the same 27mm socket except the 606, 605 which use 22mm with a hole in the side to clear the return fittings. I'm assuming your injectors are on the side of the head rather than on top...

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-Evan


Benz Fleet:
1968 UNIMOG 404.114
1998 E300
2008 E63


Non-Benz Fleet:
1992 Aerostar
1993 MR2
2000 F250

Autozone "Great Neck" 1-1/16 deep well socket 1/2 in. drive. It's 5.99, and works fine. http://www.autozone.com/R,575698/store,2823/initialAction,accessoryProductDetail/shopping/accessoryProductDetail.htm

I got a set of deep well impact sockets from HF that I used. It was an imperial set and the 1 1/16" was used on place of 27mm

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1985 300D cali 190K

http://mercedes.thatchermathias.com/mw300d.jpg

BTW, the crankshaft bolt is 27mm too, so the socket can be used to turn the crank as well. It's a good tool to have.

I use a Crafstman 27mm deep socket. It was fairly inexpensive and has a lifetime warranty.

I just got a 27mm socket, you can buy/borrow it if it's the right size. I should be done with it by the time you get back

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Dan
2005 E320 CDI - 246k
1987 300SDL TD05-16g, Herlevi pump, Elbe manifold, 2.47 LSD - 213k
Past: 1987 300D - 264k

Thanks, everyone! I appreciate the help... good thing I didn't order the 22mm sockets. I was thinking that seemed a little small. Dan, I may take you up on the offer to borrow/buy yours when I get back, or just pick up a Craftsman or Autozone one.

I have seen a couple Benzes here in Kyrgyzstan, and the little buses that run around are all MB diesel-powered. Makes me miss my W124; I can't wait to get home and get her fixed!

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1992 300D 2.5T
1980 Euro 300D (sadly, sold)
1998 Jetta TDI, 132K "Rudy"
1974 Triumph TR6
1999 Saab 9-5 wagon (wife's)

Yeah, I think the 22mm size is needed to take the injector body apart, but to take it out of the head it is 27.
I just got this darn expensive socket because it "has room for the return line nipples" but now I hear that any will do as long as it has room. Oh well, you can still borrow it. I'll only need it once.

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Dan
2005 E320 CDI - 246k
1987 300SDL TD05-16g, Herlevi pump, Elbe manifold, 2.47 LSD - 213k
Past: 1987 300D - 264k