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#16
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Could be you have a bad turbo seal causing reduced turbo performance and blowing oil into the intake manifold. Does the turbo shaft spin freely? It shouldn't freewheel but there should be minimal resistance, barely perceptible raidal play and absolutely no axial play.
On other cars it's not unusual for the turbine housing to glow red after a hard run. If it's smoking I imagine there's an oil leak or it has a coating of inappropriate paint. Sixto 93 300SD |
#17
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#18
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It's had a recent head job (at 380k) EGR (now disabeled) is leaking oil and the turbo housing on the exaust side is dis-colored, along with the exaust manafold (but on the drivers side. it's fine.) It gulps fuel, as the two bottles of diesel purge went through in a matter of minutes. I'm about to get rid of the alda alltogeather, but the intake manafold just dosnt look fun to remove. I have to anyway, to replace the shut-off valve. I have no boost gage, and the timing chain/guides look new. NEVER seen this car smoke A search yeilded no results, but now that I know what I'm going against, I'll keep looking.
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-1983 VW Rabbit LS Diesel (5speed, VNT/Giles build) |
#19
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*sigh*
This is what I mean... on this model, if you disable the EGR, the computer "knows" it and kills all boost pressure. First thing to do is reconnect all the EGR plumbing. (Properly disabling EGR on a computer controlled, vacuum-wastegae 602/603 engine takes a lot more work than just plugging a vacuum line... full details are in other threads.) What's your 0-60 time, as measured with a stopwatch? Should be 12-13 seconds. I bet you're in the high teens, maybe 20+. Removing the ALDA would not be the best thing to do, especially on a car that may, at the moment, never create any boost pressure at all. I don't recommend this period, despite other's claims that it's the best thing since sliced bread, cell phones, and pay-at-the-pump. |
#20
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it's WELL into the twentys
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-1983 VW Rabbit LS Diesel (5speed, VNT/Giles build) |
#21
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oh, is it supposed to have a PCV valve?
it dosnt. it just has a rubber boot, that I put in to replace the broken plastic elbow.
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-1983 VW Rabbit LS Diesel (5speed, VNT/Giles build) |
#22
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The rate is pulls fuel through the clear filter at idle is not an indication of fuel consumption. A considerable amount of fuel is returned to the fuel tank. If it sucks two bottles of Diesel Purge in a couple of minutes with the return line going back to the Diesel Purge bottle *and* you don't have billowing smoke, something's very wrong.
Sixto 93 300SD |
#23
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so much for instructions. Atleast I got a GOOD deal on the purge cans ($7/each)
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-1983 VW Rabbit LS Diesel (5speed, VNT/Giles build) |
#24
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It is.
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#25
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Ever seen that C111 video where the turbo and exhaust manifold are glowing a very bright red?
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Dale http://i52.photobucket.com/albums/g1...MG_2277sig.jpg 1990 300D 2.5 Turbo -155k 2000 E430 - 103k 2014 Jeep Grand Cherokee Ecodiesel 4x4 - 11k 2014 VW Passat TDI SE - 7k Bro's Diesel 2006 E320 CDI - 128k Pop's Benz Pre-glow - A moment of silence in honor of Rudolph Diesel |
#26
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I'm stopping at a muffler shop today, and replacing the junked (gasser) pipe with a straight tube. This should help ALOT. I'm also looking into getting a rebuilt garret t3 turbo to drop in.
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-1983 VW Rabbit LS Diesel (5speed, VNT/Giles build) |
#27
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:fork_off: |
#28
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The Turbo has 400k on it. I'm sure theres something wrong with it, as it wont spool until 3k. I also think the seals are work on the inside (oil seals.) I'm looking for a used one to get for chap, and have a local shop rebuild it (for cheap, also) Wastegate works just fine, it's not the diaphram on the inside of it. I'm taking the alda off when I do the shutoff valve (the intake dosnt lok fun)
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-1983 VW Rabbit LS Diesel (5speed, VNT/Giles build) |
#29
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From reading your posts you were looking to remedy lack of power issues with a valve adjustment vs. the $9K (Ouch!) rebuild. When did it start acting up? Was it gradual or did it happen suddenly? I am with GSXR as far as staying with what you have and repairing it and removing the EGR the correct way. I did a search and couldn't find anything using 602, EGR, Removal. Here is the header pipe. http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1WV0HZKX61XN0UXYRU&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1992&product=H2000-66818&application=000360206 and the center muffler http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1WV0HZKX61XN0UXYRU&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1992&product=H5000-57324&application=000316530 and the rear muffler http://catalog.eautopartscatalog.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=1WV0HZKX61XN0UXYRU&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1992&product=H5000-107818&application=000309240 . But you must also consider that you have alot of miles on the car and other things like injection pump and bottom end could be tired.
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Doug 1987 300TD x 3 2005 E320CDI Last edited by riethoven; 11-01-2006 at 02:30 PM. |
#30
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1987 Mercedes 300D |
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