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#1
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Compression tester. Recommend one, please.
Doing some troubleshooting on my 126.125...something is amiss with No 4 among another issue. Can anyone recommend me a compression tester that will fit the 603 and the 617 turbo?
Thanks
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
#2
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Hello - check out the link below to our compression kits for diesels - these should work for your MBZ. If you have any further questions, give us a call at 888-280-7799 and one of our Mercedes parts specialists will be happy to help you out.
Compression Testers - PelicanParts.com -Dmitry |
#3
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I very much support Pelican but for rare home use the Harbor Freight one isn't a bad choice and WAY cheaper. I use mine maybe once every other year so it would be hard for me to justify $400. I have had excellent success from anything I've gotten from Pelican so I'm sure it's a very good tool.
Dan |
#4
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US 617 and 603 with vertical injection use the same prechamber adapter. 603 inclined injection uses a different adapter. All use the same glow plug adapter.
Sixto 83 300SD 98 E320 wagon |
#5
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Compression testers will be for diesel or gas. The diesel style will have adapters for multiple injection or glow plug holes.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#6
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I have the HF kit and it works just fine on my 603. Use the injector adapter (comes in the kit), glow plug adapter is a major PITA in the 603 since you have to get under the intake manifold.
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Current stable: 1995 E320 149K (Nancy) 1983 500SL 120K (SLoL) Black Sheep: 1985 524TD 167K (TotalDumpster™) Gone but not forgotten: 1986 300SDL (RIP) 1991 350SD 1991 560SEL 1990 560SEL 1986 500SEL Euro (Rusted to nothing at 47K!) |
#7
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Tools :
Dmitry :
Do you carry the Mityvac tool ? . I tried searching and only found a replacement hose for one.... TIA,
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-Nate 1982 240D 408,XXX miles Ignorance is the mother of suspicion and fear is the father I did then what I knew how to do ~ now that I know better I do better |
#8
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HF for the 617
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#9
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I use the HF for 617. Have only used the injector adapter. Be sure to install the spacer ring too, so the adapter displaces the same volume as the injector. I have only done this when pop-testing injectors (3 sets so far). It looks tedious to try to install the glow-plug adapter between the fuel tubes, but if replacing glow-plugs anyway, I would try that.
Re results, I measured >400 psig in all cyl of one engine that runs well w/ little blow-by and <300 psig in several cylinders of an engine that was hard to start on cold mornings and later failed (pistons chipped), so measurements seem to correlate to actual condition.
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1984 & 1985 CA 300D's 1964 & 65 Mopar's - Valiant, Dart, Newport 1996 & 2002 Chrysler minivans Last edited by BillGrissom; 04-07-2017 at 02:27 PM. |
#10
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Quote:
Dan |
#11
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__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
#12
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That is a lot of kit for $160.
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#13
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Quote:
Dan |
#14
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Pretty sure that HF has a cheaper kit. Mine doesn't have the conical adapters shown in the link above. I recall paying ~$35 on sale. It does have the adapters you need for an OM617 engine, both injector holes and glow-plugs. Of course, being a cheap guy, I am sure I also used a 20% off coupon and such. But, hurry because the President's current deal-making w/ China may shut-down that cheap tools pipeline. U.S. manufacturers will love, but not so for us cheap shadetree guys that just need a tool that works OK the few times we'll use it.
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1984 & 1985 CA 300D's 1964 & 65 Mopar's - Valiant, Dart, Newport 1996 & 2002 Chrysler minivans |
#15
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The $30 kit I see on their website today has more fittings and a hard case compared with a similarly priced kit I got ages ago which came in a plastic sleeve. Sadly, I lent it out and it came back with only the inclined injector adapter :/
Sixto 83 300SD 98 E320 wagon |
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