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#1
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Has Anyone Rebuilt an IP themselves-Can it be done?
Just wondering if the Injection Pump can be rebuilt at home? Not that I have one to do. I had one go bad a few years ago and really wondered if it were possible.
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-E300d '99 350k -Suburban '93 220k -TDI Jetta '03 350k Sold -F250 '96 7.3 -Dodge Ram 12V -E320 '95 200k -E320 Wagon 1994 155k -300d Turbo '87 187k miles -E320 1994 200k -300d Turbo '84 245k (sold to Dan62) -300d Turbo '84 180k -300sd '80 300k -7.3 Powerstroke Diesel 15P Van 500k+ miles -190d '89 Non Turbo 2.5 5cyl 240k (my first MB) Tom's Imports of Columbia MO Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's. |
#2
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Boneheaddoctor claimed he did it.
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http://i284.photobucket.com/albums/l...aman/Fleet.jpg Peach Parts W124.128 User Group. 80 280SL 85 300SD 87 300TD 92 300D 2.5 Turbo 92 300TE 4Matic |
#3
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When you see the bench Gus Pfister of Pacific FI has to tune IPs you get the sense it's not something you do at home. His bench simultaneously measures the flow through each injector line throughout the rpm range. Also has a mode to set the ALDA.
Sixto 93 300SD 3.0 - comatose |
#4
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No, it's not something that can be done at home. It requires very clean conditions and a test bench to get the all the settings correct.
That's not exactly something most mechanics have in their garage. |
#5
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Ip
The main problem is that the special Bosch tools are needed for safe (non-damaging to internals) disassembly and reassy....I watched the Bosch guy here take one apart and the tools are special items....The pressure and flow bench is another item as pictured above...those things are major bucks...
I think they charge over 100 dollars just to hook up an IP for testing..... The good news is that most of our Bosch inline pumps are ok even with all the miles on them.....A lot of IP's get rebuilt that don't need rebuilding......
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1978 Yellow 300D (The Mustard Toad) 1980 Blue 240D (The Iron Toad) 1989 Grey Mitsu.4WD Mighty Max Pickup (Needs a Diesel transplant bad) (Open the pod bay doors HAL) |
#6
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It just shows that with the right tools any job is possible...
but not necessarily at home.
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DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012 |
#7
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Unless you have or plan on going through a ton of these cars its not really worth setting yourself up to do this. Serious IP problems are pretty rare so $100 once in a blue moon to get them tested is fine IMHO.
I have been driving MB diesels for a while now and other then messing with the delivery valve seals once I have never had to touch an IP. Well except for timing of course.
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
#8
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Timing, delivery valves, shutoff diaphragm and rack damper are all I've ever had to mess with.
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#9
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Not at home.....
A test/calibration bench is required......there aren't really many "special" Bosch tools required, most of the stuff needed can be had on a Snap-On truck....some special torx bits, and such.....
But, even if you had rebuilt many FIP's over the years.....you still would not want to do it at home.....and you would still need the Test/Calibration bench, I think that a good used one goes for somewhere between $70 and $100 thousand US Dollars..... SB
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Diesels: '85 300D, "Max, Blue Benz", 155K, 27.0 MPG '84 190D 2.2, "Eva, Brown Benz", 142K, 40.2 MPG '77 240D (parts car) '67 Eicher ES 202 Tractor "Otto" (2cyl, Air Cooled, 30HP) Gassers: '94 Ford F-150, "Henry", 170K (300 Six) 17.5 MPG '85 190E 2.3, 148K....Parts Car '58 Dodge W300M Powerwagon (Flat Fenders) Less than 10 MPG |
#10
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The reason someone doesnt chim in here and explain how he has successfully completed a rebuild on one of these is the experience was so troublesome that he is now wearing a straight jacket in a mental institution.My mechanic has a sign on his office door, $80 an hour , $95 an hr if you watch, $115 if you help .Not being a wise a$$ ,he just sets the record straight.How much is a IP rebuild?
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#11
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My SDL IP didn't need a lot of work but one of the attachments between the positioning rack and a delivery valve plunger (or whatever the proper terms are) was loose. No way I could have solved that at home.
Sixto 93 300SD 3.0 - comatose |
#12
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Bonehead is just not on this forum anymore. He is not in an institution.
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-Trevor OBK #12 1980 300SD 333,XXX miles - Totaled 1986 Mazda RX-7 212,XXX miles - impounded and auctioned off 2005 Jeep Liberty CRD Limited 33,000- SEGR, Provent, Fumoto |
#13
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That looks like a modified dairy machine .Man 80 k for that ,no wonder the techs charge so much for an IP rebuild ,their trying to just break even with their investment.
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#14
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So where do you go? The local Bosch guys say they dont have all the MBz tools. Dont say FInland, I'm not looking to run 10 sec 1/4 miles here!
Is there a rebuilding service folks here have used in the past? |
#15
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I just bought a rebuilt unit when mine started acting up, probably not the cheapest solution but minimum time and hassle required.
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