Fiat 1.9 JTD engine - mafi muhimmanci bayanai game da naúrar da Multijet iyali

Injin 1.9 JTD na dangin Multijet ne. Wannan wata kalma ce ga ƙungiyar injuna daga Fiat Chrysler Automobiles, wanda ya haɗa da raka'a turbodiesel tare da allurar mai kai tsaye - Rail Common. An kuma sanya samfurin mai lita 1.9 akan motocin Alfa Romeo, Lancia, Cadillac, Opel, Saab da Suzuki.

Bayanan asali game da injin 1.9 JTD

A farkon farawa, yana da daraja sanin kanku tare da mahimman bayanai game da sashin tuƙi. An fara amfani da injin silinda huɗu na 1.9 JTD a cikin 156 Alfa Romeo 1997. Injin da aka sanya a kai yana da ƙarfin 104 hp. kuma ita ce motar fasinja ta farko sanye da injin dizal mai na'urar allurar mai kai tsaye.

Bayan 'yan shekaru an gabatar da wasu bambance-bambancen na 1.9 JTD. An shigar da su akan Fiat Punto tun 1999. Injin yana da ƙaramin ƙayyadaddun ƙayyadaddun joometry turbocharger, kuma ƙarfin naúrar ya kasance 79 hp. An kuma yi amfani da injin a cikin wasu samfuran masana'antun Italiya - Brava, Bravo da Marea. Sauran juzu'in naúrar a cikin kasidar masana'anta sun haɗa da waɗannan ƙarfin 84 hp, 100 hp, 104 hp, 110 hp. da 113 hp 

Bayanan fasaha na rukunin wutar lantarki na Fiat

Wannan ƙirar injin ɗin ta yi amfani da shingen simintin ƙarfe mai nauyin kilogiram 125 da kan silinda na aluminium tare da camshaft sanye take da bawuloli masu aiki kai tsaye. Matsala daidai shine 1,919 cc, 82 mm ta haifa, bugun jini 90,4 mm, rabon matsawa 18,5.

Injin ƙarni na biyu yana da ingantaccen tsarin layin dogo na gama gari kuma ana samunsa cikin ƙimar wutar lantarki daban-daban guda bakwai. Duk nau'ikan, ban da naúrar 100 hp, an sanye su da madaidaicin injin turbocharger. Sigar 8-valve ta ƙunshi 100, 120 da 130 hp, yayin da nau'in bawul ɗin 16 ya haɗa da 132, 136, 150 da 170 hp. Matsakaicin nauyi ya kai kilogiram 125.

Injin alama a cikin motocin wasu samfuran kuma a kan abin da motocin da aka shigar

An yi wa injin 1.9 JTD lakabin daban. Ya dogara da shawarar tallace-tallace na masana'antun da suka yi amfani da shi. Opel yayi amfani da gajarta CDTi, Saab yayi amfani da sunan TiD da TTiD. An sanya injin akan motoci kamar:

• Alfa Romeo: 145,146 147, 156, 159, XNUMX, GT;
• Fiat: Bravo, Brava, Croma II, Doblo, Grande Punto, Marea, Multipla, Punto, Sedici, Stilo, Strada;
• Cadillac: BTC;
• Mashi: Delta, Vesra, Musa;
• Opel: Astra N, Signum, Vectra S, Zafira B;
• Saba: 9-3, 9-5;
• Suzuki: SX4 da DR5.

Sigar turbo mai mataki biyu - fasahar tagwaye-turbo

Fiat ya yanke shawarar cewa daga 2007 zai yi amfani da sabon nau'in turbocharged mai hawa biyu. An fara amfani da turbos tagwaye a cikin nau'ikan 180 hp. da 190 hp tare da matsakaicin karfin juyi na 400 nm a 2000 rpm. Na farko na raka'a aka shigar a kan motoci daban-daban brands, da kuma na biyu kawai a kan motoci na Fiat damuwa.

Aikin naúrar tuƙi - abin da za a nema?

Motoci masu sanye da wannan na'urar wutar lantarki sun yi kyau. Aikin yana da kyau sosai cewa yawancin samfurori suna cikin kyakkyawan yanayin fasaha duk da shekarun da suka wuce. 

Duk da kyakkyawan sake dubawa, injin 1.9 JTD yana da yawan lahani. Waɗannan sun haɗa da al'amurran da suka shafi rufin rana, yawan shaye-shaye, bawul ɗin EGR, ko watsawar hannu. Ƙara koyo game da mafi yawan laifuffuka. 

Matsala mara aiki 

A cikin injunan diesel tare da bawuloli 4 a kowace silinda, ana shigar da flaps na swirl sau da yawa - a ɗaya daga cikin tashar jiragen ruwa biyu na kowane Silinda. Masu dampers sun rasa motsinsu saboda gurɓacewar bututun shigar turbodiesel. 

Wannan yana faruwa bayan ɗan lokaci - magudanar magudanar sanda ko karyawa. A sakamakon haka, actuator ba za a iya kara zuwa fiye da 2000 rpm, kuma a cikin matsananci yanayi da rufe iya ma zo kashe da kuma fada cikin Silinda. Maganin matsalar shine a maye gurbin na'ura mai kwakwalwa da wani sabon abu.

Matsala tare da yawan shaye-shaye, EGR da alternator

Za a iya naƙasa nau'in nau'in abin sha saboda tsananin zafi. Saboda wannan, ya daina shiga cikin silinda kai. Mafi sau da yawa, wannan yana bayyana ta hanyar tarawa a ƙarƙashin mai tarawa, da kuma wari mai ban mamaki na shayewar mota.

Matsalolin EGR suna faruwa ne ta hanyar bawul ɗin da ya toshe. Motar ta shiga yanayin gaggawa. Maganin shine a maye gurbin tsohon bangaren da sabon abu.

Rashin gazawar janareta na faruwa daga lokaci zuwa lokaci. A wannan yanayin, yana daina yin caji akai-akai. Mafi yawan sanadi shine diode a cikin mai sarrafa wutar lantarki. Ana buƙatar maye gurbin.

Rashin aikin watsawa da hannu

A lokacin aiki na 1.9 JTD engine, da manual watsa sau da yawa kasa. Duk da cewa shi ba kai tsaye kashi na engine, da aikinsa yana da alaka da drive naúrar. Mafi sau da yawa, bearings na biyar da na shida gears kasa. Alamar cewa tsarin ba ya aiki yadda ya kamata shine hayaniya da tsagewa. A cikin matakai masu zuwa, igiyar watsawa na iya rasa daidaituwa kuma gears na 5th da 6th zasu daina amsawa.

Za a iya kiran injin 1,9 JTD abin dogaro?

Wadannan koma baya na iya zama da ban takaici, amma ta sanin akwai su, za ka iya hana su. Ya kamata a lura da cewa, ban da matsalolin da ke sama, babu wasu matsaloli masu tsanani a lokacin aiki na injin JTD 1.9, wanda zai iya haifar da, alal misali, zuwa babban juzu'in wutar lantarki. A saboda wannan dalili, injin daga Fiat - ba tare da lahani mai mahimmanci ba, ana iya bayyana shi azaman abin dogaro da kwanciyar hankali.