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Thread: (cold start) engine knocking on new 2kd-ftv

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    Exclamation (cold start) engine knocking on new 2kd-ftv

    hi there as the title indicates whenever i cold start the 2kd-ftv(turbo) engine ( 10k kms driven) the engine starts knocking that fades away after 1 min. is there something that i should be worried about or is it normal? currently i'm using total's rubia HD Api-Cl4 (15w-40) engine oil.

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    Cold starts are usually that way for diesels. Modern diesels warm up pretty quick since their glow plugs are electronically controlled and are run constantly till the engine is upto optimum temperature. Nothing seems out of the ordinary.
    For personal satisfaction you can always have the glow plugs diagnosed.

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    Quote Originally Posted by sherwan_88 View Post
    Cold starts are usually that way for diesels. Modern diesels warm up pretty quick since their glow plugs are electronically controlled and are run constantly till the engine is upto optimum temperature. Nothing seems out of the ordinary.
    For personal satisfaction you can always have the glow plugs diagnosed.
    thanks for your reply i was kinda worried k ye knocking q ho rahi hay

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    Quote Originally Posted by Maxud1 View Post
    hi there as the title indicates whenever i cold start the 2kd-ftv(turbo) engine ( 10k kms driven) the engine starts knocking that fades away after 1 min. is there something that i should be worried about or is it normal? currently i'm using total's rubia HD Api-Cl4 (15w-40) engine oil.
    knocking or missing?

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    Quote Originally Posted by ToxicDevil View Post
    knocking or missing?
    bro tbh i'm not a car geek nor do i know what is missing but whenever i cold start especially in the morning there is tak tak tak tak sound that fades away after a while

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    Quote Originally Posted by Maxud1 View Post
    bro tbh i'm not a car geek nor do i know what is missing but whenever i cold start especially in the morning there is tak tak tak tak sound that fades away after a while
    What Is Diesel Knock? (with pictures)

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    Quote Originally Posted by ToxicDevil View Post
    thanks brother for the article .. so it means its normal i thought theres something wrong with the engine oil,, btw as winters are coming i doubt 15w-40 will be suitable for cold start but i didnt find any 5w-30 oil for diesel engines so what to do in this case :/

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    Quote Originally Posted by Maxud1 View Post
    thanks brother for the article .. so it means its normal i thought theres something wrong with the engine oil,, btw as winters are coming i doubt 15w-40 will be suitable for cold start but i didnt find any 5w-30 oil for diesel engines so what to do in this case :/
    I dont have much knowledge about diesel engines but low oil flow due to bad pump or because of thick oil in winters also cause a rattling sound tak tak tak tak. Similar sound is also the result of loose tappets (valve clearance).

    Better wait for a reply from someone who knows of diesel engines.

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    Quote Originally Posted by ToxicDevil View Post
    I dont have much knowledge about diesel engines but low oil flow due to bad pump or because of thick oil in winters also cause a rattling sound tak tak tak tak. Similar sound is also the result of loose tappets (valve clearance).

    Better wait for a reply from someone who knows of diesel engines.
    ok thankyou so much bro , appreciate your help

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    Every engine will have all the oil drip back into the sump overnight. When you fire it up in the morning it take about 15-45 seconds to get the oil circulated in the engine. Diesel's sitting cold have to work harder since their ignition is solely based on cylinder temperatures. So when a diesel is started it takes time to get the temperature up and in that time engine knock occurs.

    If the oil pump was bad, oil check light would come on in intervals during a drive and the car would overheat. Diesels rely heavily on oil cooling as diesels run twice operating temperatures and compression than gasoline engines.

    In most of Pakistan there is no need to run a low viscosity oil unless the car is intended to run in sub-zero atmospheric temperatures.
    Low viscosity oil's tend to shear quickly in a diesel engine when its under load.

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    Quote Originally Posted by sherwan_88 View Post
    Every engine will have all the oil drip back into the sump overnight. When you fire it up in the morning it take about 15-45 seconds to get the oil circulated in the engine. Diesel's sitting cold have to work harder since their ignition is solely based on cylinder temperatures. So when a diesel is started it takes time to get the temperature up and in that time engine knock occurs.

    If the oil pump was bad, oil check light would come on in intervals during a drive and the car would overheat. Diesels rely heavily on oil cooling as diesels run twice operating temperatures and compression than gasoline engines.

    In most of Pakistan there is no need to run a low viscosity oil unless the car is intended to run in sub-zero atmospheric temperatures.
    Low viscosity oil's tend to shear quickly in a diesel engine when its under load.
    thanks brother for your detailed reply , appreciate it i think am now clear that my vehicle is performing normal and there's nothing to worry about.

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    Please use good quality diesel fuel from a reliable filling station

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    And never drive the vehicle / engine until or unless the temperature Guage has risen slightly

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    Toyota's KD series engines are excellent
    But require a lot of care for a longer life and better performance

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    I change fuel filter for my Hilux 1KD & Land Cruiser 1HD-FT every 5000 KMs

    As most filling stations tend to give low quality diesel .

    Many times i found the fuel filter containing water

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    Also note that most local shops sell air filters & fuel filters with toyota packaging

    But actually they are made in Rawalpindi & Lahore

    Always buy filters from reliable points

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    Their is no place in the world where you won't find a bit of water in diesel fuel.

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    And last but not the least.

    Whatever engine lubricant you use

    Always buy from some reliable shop

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    Yes but that little bit of water can ruin the engine
    If the fuel filter isn't A+ quality

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    Fuel filters do not seperate water. They are particulate filters and not medium filters.

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