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IP Injection pump shut off shutoff replacement
Driving around today running errands in the '85. Walked into the office to get my expense check (got to get it in the bank) and my boss asked me what was on my leg. Well, that would have been a long oil drip. Great, so before I left I popped out the inst. cluster to tighten the oil pressure line. Nope, dry as a bone. Then I found the oil drip. Coming from the ignition switch, which means: bad IP shutoff valve.
Here is some pics of the replacement. Not a hard job at all. I wish I knew how to post pics in between the text lines, but all I know how to do is add them at the bottom. First, take a picture of all the vac lines, as some will have to be disconnected and moved. I disconnected the throttle linkage, removed the plastic thing on back of IP (tranny related?, don't know). It had 2 5mm allens holding it on. Removed vac line from IP shutoff. Shutoff has 4 10mm bolts. Some can be totally loosened with a 1/4" ratchet, but a couple need a wrench for clearance. When you get them out, pull out the shutoff assy a small amount, and feel the tension as it grabs the shutoff arm inside the IP. You want to know what this feels like for re installation. There are 2 gaskets with a metal ring in between them. Be sure and save this metal ring, as it has to be installed on the new one. Note: I had to snake the shutoff out between the oil filter housing and the engine, back towards firewall and then up and out. you will figure it out. New one goes in same way. Push it into IP and then before you tighten it down you want to pull out on it to make sure it is contacting arm inside IP. You don't want engine run-away after this. Then reinstall bolts, vac lines and anything else removed in the process. *Now, prior to starting the engine, I got my trusty 17mm wrench, and loosened the inj. lines at IP, then tightened them slightly. Wanted to make sure they would be easy and fast to crack open in the event of a disaster. I also used my Mityvac to actuate the IP shutoff, but you could use key. All went fine, except that I finished at dark, and my test drive yielded shifting and acceleration differences from before. Will have to see what I did in the morning. Things to note: *If shutoff is full of oil, and mine was FULL, you need to blow out the vac lines that are contaminated. I used my air compressor, then squirted some WD40 in them (per my mechanic), then blew them out again. I just blew out the two brown lines as the oil didn't migrate farther than that, thank goodness. I removed vac line at brake booster to look for oil residue, and there wasn't a drop. It would have needed to be vacuumed out if oil had made it in. *I removed the shutoff on the keylock assy and cleaned the oil out of it also. It was full. same way. Compressed air, then WD40, then more air. I'm a simpleton, and this was an easy job.
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John Last edited by JimmyL; 06-16-2005 at 02:01 AM. |
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Quote:
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'82 300SD - 361K mi - "Blue" "Good judgement comes from experience. Experience comes from bad judgement." listen, look, .........and duck. |
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Bird poo?
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1989 300E 144K |
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What was the orientation of the plate that holds the shutoff in place? Mine had the beveled corner top Passenger side. I've seen elsewhere that the bevel goes top Drivers side. The palte I'm talking about has the 4 holes for the bolts to go through and the large hole fitting over the shut off.
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Rob M Norwich, VT USA 1980 240D Euro delivery 4 speed manual silver/blue ~160K miles |
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
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Thanks for the confirmation! That was my experience as well. The holes don't line up properly in the wrong orientation but instructions I had stated to have the bevel up and drivers side...I wonder if the instructions I had were associated with a right hand drive vehicle?
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Rob M Norwich, VT USA 1980 240D Euro delivery 4 speed manual silver/blue ~160K miles |
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Thanks for the write up Jimmy! I was able to complete the job in about 45 minutes by following this guide.
A few tips...use a ratcheting wrench like a "gear wrench" on the lower two bolts, it makes them come off way faster. Also have a helper start the car once you have it all back together and have your finger on the emergency stop button in case something has gone wrong. Edit: Well some how I have made my glowplugs not work while fixing the shutoff valve. First it won't turn off, now it won't turn on...
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine Last edited by bgkast; 03-26-2011 at 11:28 PM. |
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Wow that was a long time ago. Perfect example of a successful utilization of the search function. Congrats.....
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
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Warning
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Run away diesel, why does it happen? http://www.peachparts.com/shopforum/showthread.php?t=101404 .
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ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ |
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My father and I replaced the IP shut off valve on my 87 300 SDL... we thought we had done the correct job? But boy were we wrong when I jumped in and turned it over. Probably one of the most terrifying things I've ever seen/been through. A streak of exhaust soot stretched across my driveway for 20+ feet! Finally shut it off by pulling the main fuel line to the IP. Engine got so hot the head cracked (#14 head).
Word of caution, make sure you have done the correct job before starting her up!
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1987 300SDL 271,000 1999 E300 Turbodiesel 155,000ish. (Dad's) |
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Couple suggestions after doing this job today:
- Test your emergency stop method before you take off the old part. I took off the air cleaner and slapped a DVD case across the turbo inlet to cut off the air; worked very nicely. I tried a block of wood first, but it didn't make a good enough seal. - Applying vacuum to the new part with a MityVac and feeling it pull itself onto the pump is a nice way to reassure yourself that it's engaged. I actually left the MityVac in place while I bolted the bracket on, so I wouldn't have to worry about the valve shifting while I worked.
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1981 Mercedes 300TD, 1994 Honda Civic Del Sol http://mefi.us/images/fuelly/smallsig-us/67195.pnghttp://mefi.us/images/fuelly/smallsig-us/103885.png |
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HG on mytevac
What should the Hg read on the mytevac while performing the reinstallation? I don't want to wreck it.
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1979 300TD |
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