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Thread: toyota hilux engine overhaul

  1. #1
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    Default toyota hilux engine overhaul

    2L (2400cc) engine overhaul
    please suggest me about oil change and running,
    how many km i will drive softly???

    "Do not wait for leaders;
    do it alone, person to person"

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    anyone
    "Do not wait for leaders;
    do it alone, person to person"

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    Quote Originally Posted by ahazoor View Post
    2L (2400cc) engine overhaul
    please suggest me about oil change and running,
    how many km i will drive softly???

    Delo Silver. when i overhaled the engine.....2l Non turbo...

    tc

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    recommended as per owner manual is 800-1000 km and controlled speed till 1600km, change oil after first tuning
    "You have not lived today until you have done something for someone who can never repay you."

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    After overhaul first oil should be changed early then the limit n for about 700km dnt load ur vehicle heavily n drive it softly...
    "Wife & car always looks good when they are shining"

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    firstly,

    make double sure that the thermostat valve is installed along with a very good working fan clutch and clean radiator. And be absolutely positive that the pump timing and injector break pressure is 100% spot on. Connect a good oil pressure gauge to the oil switch port.

    use a good mineral oil - Delo 400 15W40 is great. heat it up and pour it in, remove power from the pump head and crank till the oil light extinguishes, connect power back and start engine, immediately hold at 1200 rpm for at least 1 minute. check for leaks and ensure the engine gets to normal temperature and the radiator gets warmed up. Check oil pressure it should be at least 1.6 bar at idle with hot engine.

    drive it normally for about 500 kms - while driving torque it up till 3000 rpm in 2nd gear and release accelerator, let it "compression brake" itself back to idle speed - repeat 10 times and keep an eye on the temp gauge and feel the engine - if its getting hard to accelerate - you have other problems.

    If your pump CSD is stuck rusted in advance position then you will see blowby and have a rattly idle too. the CSD is on the side of the pump and it extends when it becomes hot by the engine coolant. 99.99% of Pakistani diesel engines with such a CSD are usually rusted stuck.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Thumbs up

    Quote Originally Posted by Xulfiqar View Post
    firstly,

    make double sure that the thermostat valve is installed along with a very good working fan clutch and clean radiator. And be absolutely positive that the pump timing and injector break pressure is 100% spot on. Connect a good oil pressure gauge to the oil switch port.

    use a good mineral oil - Delo 400 15W40 is great. heat it up and pour it in, remove power from the pump head and crank till the oil light extinguishes, connect power back and start engine, immediately hold at 1200 rpm for at least 1 minute. check for leaks and ensure the engine gets to normal temperature and the radiator gets warmed up. Check oil pressure it should be at least 1.6 bar at idle with hot engine.

    drive it normally for about 500 kms - while driving torque it up till 3000 rpm in 2nd gear and release accelerator, let it "compression brake" itself back to idle speed - repeat 10 times and keep an eye on the temp gauge and feel the engine - if its getting hard to accelerate - you have other problems.

    If your pump CSD is stuck rusted in advance position then you will see blowby and have a rattly idle too. the CSD is on the side of the pump and it extends when it becomes hot by the engine coolant. 99.99% of Pakistani diesel engines with such a CSD are usually rusted stuck.
    Question - why warming up engine oil - is it for diesel engines only -

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    Default D4D diesel technology

    Toyota D4-D Engine

    D-4D means Direct injection, 4 stroke, Common rail Diesel and is on all Toyota diesel models. D-4D is a combination of Direct injection and Common-rail diesel injection systems and has been designed to provide higher output power, better fuel economy, lower exhaust emissions and lower noise and vibration than conventional diesel engines.

    The Hilux Vigo range is powered by either Toyota’s 16-valve 2.5-litre D-4D direct injection common rail turbo-diesel engine, delivering 102bhp & 300Nm/2,000 or the 16-valve 3.0-litre D-4D direct injection common rail turbo-diesel engine, delivering 163bhp & 343Nm/1,400-3,400.
    The 3.0 litre D-4D Common Rail Turbo Diesel 1KD-FTV- already among the most powerful and torquey in the sector - is carried over from the legendary Land Cruiser and offers enormous torque with excellent fuel consumption.
    The engine develops 120kW (163D|N hp) at 3,400rpm with torque of 343Nm across an engine speed range of 1,600 to 3,200rpm. Maximum speed is 106mph (170km/h) with manual transmission and acceleration from 0-62mph is under 12.7 seconds.
    D-4D actually stands for direct Injection 4 Cylinder Common Rail Diesel Engine. Common rail diesels inject a fine mist of fuel into the engine at very high pressure. The result is the same power and refinement as a petrol engine, but with better fuel efficiency and lower emissions. One feature of the electronic controls associated with the common rail is that there is no need to wait for glow plugs to warm up before starting the engine. You just turn the key and it fires up immediately.






    Toyota D-4D engines are not just noteworthy for their smooth, linear torque, though: that's a characteristic of most modern diesel engines. What D-4Ds are noteworthy for is their unusually high power outputs, equivalent to that of many competitors' similarly-sized petrol engines. The D-4D's rev range is also usefully wider than normal, further enhancing the driving experience.
    This modern technology makes use of a high-pressure pump, a common rail, and computer-controlled injectors to deliver exactly the right amount of fuel to each cylinder, at precisely the right timing. It is this exact timing and fuel measurement that leads to better combustion, cleaner burning and lower emissions of harmful substances such as soot (meeting European Step III exhaust gas regulations). And it is common rail injection that ensures D-4D engines deliver the optimum in power and torque throughout the range of rpm, for better driving performance and comfort.



    Fuel in the D-4D is pressurised to an extremely high mpa within the "common rail" that feeds all four cylinders (older diesel engines have a separate pipe leading from the pump to each cylinder). The high pressure injection creates better fuel atomisation for complete burning and increased power output. And because there is less fuel wasted though inefficient combustion, the D-4D delivers better fuel economy too.
    In addition the computer control unit injects a small amount of fuel into the cylinder just before the main fuel load ignites. This "pilot burn" lowers the explosive force of the main combustion process and goes a long way to reduce the noise and vibration formerly associated with diesel engines. This all goes to make it one of the silkiest diesels ever built.


    toyota hilux engine overhaul - d4d enginehtml



    toyota hilux engine overhaul -301892
    I DONT DRIVE F@st i JUST FLY LOW!!

  9. #9
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    Quote Originally Posted by capsat View Post
    Question - why warming up engine oil - is it for diesel engines only -
    Just a good safety measure. makes the engine warm up a little faster.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    my pickup remains start 8 hours daily from last 4 dayz????
    is it ok after overhauling>>>>
    "Do not wait for leaders;
    do it alone, person to person"

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    NO - you are destroying it that way - the hone marks that you made are just being polished away without the rings correctly seating into the cylinders. You are supposed to drive it - that way the piston rings have their best chance to make a good long lasting match with the cylinders for good compression.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    we done the same procedure in 2000 after overhauling,
    nw we again overhaul after 11yrz
    because of only one problem and that is burning of oil, oil reduces on long drive(200-250km)
    at start less oil burn but it increases with time,
    "Do not wait for leaders;
    do it alone, person to person"

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    your oil consumption must usually be related to bad valve seals - btw how many kms did you rack up in 11 years - because properly run and maintained diesels will run for more than 20 years.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    its now 3lac since 1990
    and not confirm how many km from 2000-2011
    may be 1.5lac
    "Do not wait for leaders;
    do it alone, person to person"

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    my dad bought zero meter in 1990 (its my birth year)hahahaha
    "Do not wait for leaders;
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    2 full overhauls in 3 lac kilometers? - either your mechanic loves to fleece you or you dont do any maintenance on your vehicle. No other chance.

    a toyota 2L running at correct temperature at correct fuel injection timing at correct valve adjustment etc, will run without worry for galactic mileages. but if you try to run it cold (no thermostat) with badly timed injection etc, bad oil filters and cheap engine oil. you will destroy it.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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