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Turbo Cartridge Replacement
Does anyone know exactly how to take the turbo apart in order to replace the middle section (cartridge)?
There are 6 bolts at "A", 4 bolts at "B", and 6 more bolts at "C". Removing the 6 "C" bolts exposes the compressor blades. I'm assuming this is all I need to take off the front. Removing the 4 "B" bolts does nothing. The turbo center section now spins, but will not separate. Only 4 of the 6 "A" bolts can be removed because there is not enough clearance to remove the last two. (You can see in the picture that the top bolt is too tight.) There has to be some trick here that I don't know about. But in any case, when the "A" bolts are loosened, it doesn't help anything. It doesn't feel like it is going to come apart. I would rather replace the cartridge than send it in to be rebuilt. Any suggestions? Last edited by 1983/300CD; 10-27-2005 at 02:14 PM. |
#2
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Keep going, don't forget locknut on shaft. Blow-up diagram with this kit may help (no affiliation) FWIW.
http://www.ebay.com/sch/i.html?_trksid=p5197.m570.l1313&_nkw=TURBO+REBUILD+KIT+GARRETT+T3&_sacat=0&_from=R40 .
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The Golden Rule 1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later) Last edited by whunter; 10-12-2012 at 12:28 AM. Reason: repair link |
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Thanks, but my compressor wheel is mangled too. I thought it best if I just replaced the whole cartridge (it also rocks a little when you wiggle the shaft). I guess I'll just have to order a cartridge and see what it includes.
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#4
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Here are some threads from my subscritions that may help you:
Rebuilding Turbo No Turbo Boost Pressure W126 OM617 1985 300SD turbo drain tube gasket & seals Turbocharger Wastegate Adjustment: Wastegate Function I don't know if it's in any of these but there is a thread with a complete parts list for about $20. There is also a thread with a drop in replacement for around $300. Danny
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
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Turbo 300d
1984 300d Turbo
Rebuilt Turbo $595.00 Core $200.00. Install One On The 300d 1-800-521-7656 2-6 Hrs Diy. The Smoke Was The Valve Stem Seals **************.com Have The Seal Kit, Guide Book, Xtra Nuts, Push On Tool, $78.00 3-8 Hrs. Diy Last edited by whunter; 05-07-2007 at 02:25 PM. |
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Thanks, I want to get to those valve stem seals too someday.
Someone told me that it is the "A" bolts that I need to work on while banging the housing. The housing is supposed to separate, allowing me to unscrew the bolt the rest of the way. Okay, while on the topic of turbo... Where is the overboost protection and what is the thinking behind it? If you have a wastegate, that should do it, no? And if you have an "overboost protection", then why worry about the wastegate? Why not set the wastegate to all the way max pressure (never to open), and let the overboost protection protect you from overboosting? |
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Found this in the first link I posted earlier:
Quote:
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
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I'm in the process of going the rebuild it myself $20 route, I'm waiting for a fax back from the place in Texas.
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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 |
#9
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Quote:
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I would believe they do, the first thing they asked me was if it was a garrett or kkk. The person I was dealing with was Mark if you decide to call.
First one of us to do the rebuild is required to do step by step photos!
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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 |
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Quote:
Wastegates can fail. So can over-boost protection devices. I'd rather have them both working than have the boost psi shoot up uncontrollably and blow a gasket or worse. Makes me sleep easier at night anyway.
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Seth 1984 300D 225K 1985 300D Donor body 1985 300D Turbo 165K. Totaled. Donor Engine. It runs!!! 1980 300SD 311K My New Baby. 1979 BMW 633csi 62K+++? Dead odo |
#12
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Thanks, but I have already made the decision to replace the cartridge, I just need help on how to get the turbo apart! And I've banged on it with a hammer, it won't budge. I can't get the last two bolt out because the oil line and shape of part are obstructing their removal.
I've included a picture. Should I take a prybar to it? I am having no luck with the hammer. I don't want to crack it, and banging on it won't budge it or loosen it at all. The loosened ring you see in the picture is apparently what keeps the center connected to the exhaust section. That is, unless it is corroded together. |
#13
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i dont have
any positive suggestions except to be careful with the banging. a cracked housing will be costly to replace.
tom w
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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. |
#14
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It would appear that the final two bolts will need to be removed if you expect to seperate it. May need to modify a box wrench to do it.
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#15
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Whew!
I got it apart! I wedged a screwdriver between the top of the bolt head and the oil line mounting and just pounded it in there. Once it is free, it's just a matter of pushing them apart with one hand as you unscrew the bolt with the other.
Last edited by 1983/300CD; 10-30-2005 at 10:59 AM. |
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