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Diesel Questions and Problems in General (non specific makes)

guy2guy2 Posts: 1
edited October 2014 in Land Rover
I have one of these fitted in a Range Rover - all the diesel pipes aew well fitted and have the appropriate straps holding them in place, however, the injector pipes keep snapping just short of the injector pump. There are no heavy vibrations and everything appears tight. no 3 has just gone again after only about 500 miles of very light motoring - anmy help or suggestions gratefully received. Thnks


  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    I'm going to change this topic to Diesel Problems so as to attract owners of other makes.


    I'll e-mail you about this.


    thank you


  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Inasmuch as this is a conversion, my first suspicion is that your motor mounts are either too weak or incorrectly aligned, allowing too much rotational torque for the engine, or perhaps even too much lateral (front to back) shift.


    Severe vibration could break the lines but you state this isn't the problem.


    Also, if the lines were "forced" to fit the injector pump, that is, bent to be able to screw into the pump, this constant force could break them in time. I have seen this happen with say exhaust systems that are "jacked into place" to meet their flanges, and I've seen it in brake lines that are bent with force to meet their mating nipples.


    You might ask an observer STANDING TO ONE SIDE OF THE VEHICLE, NOT IN FRONT, with the hood open, to watch the engine movement as you step hard on the brake, put the vehicle in gear and apply gas in their first or "drive" and then "reverse".


    If there is noticeable engine rotation, that's your problem IMO.
  • icrmanicrman Posts: 23
    The lines will fatique from the vibration loads imparted to them. There are small tie clamps that clamp two or more lines together to form a more ridged system. If you have the factory clamps on the lines in the correct areas, and they still break. You may have to add a solid brace from the line to the engine.
  • patentguypatentguy Posts: 45
    Can you use marine diesel in automobiles?
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    don't see why not, as long as its #2.
  • hoaderhoader Posts: 1
    My neighbor has a Perkins 351.4 diesel non-turbo engine that has just been overhauled. It starts as if it were below freezing when it is in the 70s in F. New rings, pistons, sleeves, rod and main bearings, rebuilt head and injectors. The pump was not touched. After starting, I felt the exhaust manifold and #6 cylinder runs the hottest the earliest where as #5 is the slowest. It took over 2 minutes before it ran on all 6 cylinders. I can't do a compression test till I get an adapter for that engine. I need some ideas and tricks to trouble-shoot this one. :confuse:
    Thanks hoader
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Well if it's JUST rebuilt with zero time on it I'd run it at fast idle for a good hour or more and then change the oil, first off. Let everything seat in. Sounds like an injector or....does this engine use glow plugs to start? If so, are they all new and are the connections good and tight?
  • hendrix24hendrix24 Posts: 7
    hey everyone i am looking to buy a new dodge or chevy diesel ande cannot make up my mind. I was al;ways a chevy man but the past few years i have fallen for the dodges, i am wondering everyone says dodge has a tranny problem but the cummins rocks so everyone please get back and tell me your opinion on this question thanks, and have a good memorial day.
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    You should cruise our Pickups board for this question:


    There, you can talk to owners of these various trucks.

    In general, I can offer my opinion that a diesel truck is great if you are towing something heavy, otherwise it doesn't make a lot of sense with diesel fuel prices being generally higher than even premium unleaded. As for diesel engines being "more long-lived" or "easier to maintain", that is really subject to a lot of interpretation.
  • newatthisnewatthis Posts: 2
    Hi everyone, this is all new to me but here I am.

    My husband bought a 1995 Ford f 250 powerstroke diesel 4x4 a few months gack with about 68,000 miles. Currently 85,000 miles.

    Long story short. On his way to Alaska, right now loaded with truck full of building materials and a four horse trailer full of building materials. Just left Redding CA about an hour ago. Called to say the oil pressure is going down. anybody out there know anything about this? is there a specific chat room or place i could get in touch with? Need help fast.


  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Well how's the engine temperature? If the engine is overheating, then the oil tries to take up the slack of the over-heated coolant.

    If the engine isn't overheating, you may need to run a better oil, like a synthetic. Perhaps your oil is too thin for this job.

    But you know, it sounds like the truck may just be overloaded. Lumber is really heavy and so are horse may be exceeding the truck's limits.

    I'd say if he can't square away the oil pressure problem he'd better quit while he's ahead...turn around and come home or detach the trailer and lock it up someplace safe and come home empty.
  • oldharryoldharry Posts: 413
    I am not familiar with Daihatsu, but used to work on construction equipment back in the sixties.

    One problem with pump and nozzle injection systems is that the lines carry very high pressure. As we learned in high school physics, a curved tube tends to straighten when internal pressure rises. Preformed fuel lines typically have no sharp curves and have looped areas to deal with changes in length when the line pressurizes without over stressing other spots. As the pump is mounted on the engine, motor mounts should not be a problem. The most likely cause in some of the lines (number 3?) may have been reshaped to fit under the hood.

  • bryang1bryang1 Posts: 1
    I have a similar problem to yours - pipes snapping on a 2.8Tdi Fourtrak engine fitted in a Range Rover. No.1 went this afternoon! Have you been able to find any solution, I wonder - if so, can you share it?
  • jimstrenkjimstrenk Posts: 56
    Not know much about diesel powered automobiles, why would someone want to purchase a diesel automobile? What are the benefits? Don't diesels send out more pollutants?

    Just wonderin'! :confuse:
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Diesel technology is up and coming and a lot of the old attitudes about diesels will change. Diesels are more efficient than gasoline engines, too. The down side of diesels right now is that it's hard to get low sulphur fuel in America and also, unlike Europe, diesel fuel is as expensive or MORE expensive that gasoline. In Europe (most places) it is considerably less expensive, and this $$ savings spurs further diesel engine development through success in the marketplace.
  • jimstrenkjimstrenk Posts: 56
    Thanks for your reply, Mr. Shiftright. I always thought that diesel engines were much noisier and dirtier.
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    They are pretty quiet these days, especially the foreign cars. American diesels still make a racket. As for being "dirty" it depends on which pollutant you're talking about. Yes, in soot (particulate) they are dirtier but not in all emissions.
  • My dodge has 88000 miles .I was driving and it quit.It's full of fuel and is getting past the filter. Has it got an electric solenoid? shutoff fuse? Is Cummins having problems with the injector pump? I drove a 1990 cummins 13 years with no problems at all. help!
  • are there any aftermarket products that can be used in engine compartment/hood liner/ to reduce noise. I have heard that sheets of cork can be used but not sure how. I know there is spray on products for underneath etc. but I am looking for something to replace hood liner or add to it. chevy 04
  • I've just purchased an '82 Silverado with the 6.2L diesel that the previous owner says he hasn't been able to start since it was run out of fuel by his buddy. I've heard that it may just need to have fuel lines/filter/pump primed. Does anyone have any advice or instructions about this situation. Thanks! Matt
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Yes, you generally do have to bleed the fuel lines to get a diesel to restart after running out of fuel. All diesels are different in procedure so I hesitate to be too specific but if you got ahold of the workshop manual it would explain it. Basically it's a matter of cranking over the engine with an injector line cracked open at the cylinder head, until fuel bleeds out. Then you tighten it and go on to the next one. ONce all the air is out, it should start...if indeed this is the problem. You are taking this truck sort of on the have guts! I hope it was cheap.

    PS: Some injection pumps have built in primers to help with this bleeding process but I don't know if yours does. You might check to see if there's a little plunger on the pump.
  • With the help of some air pressure at the tank and a fresh set of batteries, we were able to get the fuel lines primed again and the truck started right up. It was a little funny...I paid the guy his $500 asking price, and had him sign the title over....then we worked on it in his driveway for about an hour until we got it started. Once it was running, he asked me, "well, are you gonna sell it back to me for $1000 now!?" It seemed to run pretty well, although the temperature has dropped here in KS the last two days and it didn't want to start today.

    This system doesn't have a priming pump that I can find....that would be a worthwhile addition in my opinion.

    Thanks for your help
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Well you're welcome and good luck with it. Maybe you need a block heater!
  • hi i'm new i was wondering what diesel motors where used in the 70's chevys so i can convert my pickup from a k20 to a k30
  • oldharryoldharry Posts: 413
    When it is cold and I have GM diesels to work on ( I do wheel alignments and related work). If they do not start quickly on the first try, for the second try I turn the key, wait for the glow plugs,(wait to start light), turn the key off, and back on for a second run of the glow plugs, then crank. Works quite often.

  • My 2001 cummins turbo engine will not start warm very well in takes several trys on the starter to get it to run. the engine will turn over but take a while to start. the fuel pressure is fine and the filters have all been changes.
  • Hi this is my 1st post, I have a 92 2.4 diesel surf. Just re installed starter after point replacement, and engine wouldn't start. Checked fuel line for leak or block age, no visible sign or drips, i'm not sure wether taking the starter out from the top was the correct way as i ended up having to disconnect air hoses electrical plugs air filter, unbolt and move aside power steer unit, fuel filter, which were in the way. Starter works perfect now but engine no longer. HELP!!!
  • swschradswschrad Posts: 2,171
    check to see if the glow plug system is still connected. if it's cold enough to need 'em to start, and they aren't triggering on, you will crank any number of starters, batteries, and ignition switches to death without getting the tarburner heated up.
  • buck14buck14 Posts: 1
    my wvo 1986 bmv 524td diesel injection pump can not be rebuilt any body out there have one for sale or know where one is id appre the help :) :D :P
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,490
    Why can't it be rebuilt?
This discussion has been closed.