Puas yog JTD motors tsis muaj kev nyab xeeb? Kev ua lag luam saib xyuas thiab ua haujlwm

JTD yog lub npe luv rau uniJet Turbo Diesel, i.e. Cov npe ntawm cov cav diesel tau nruab rau ntawm cov tsheb ntawm Fiat pawg.

Cov Italians raug suav hais tias yog cov thawj coj ntawm kev txhaj tshuaj ncaj qha, txawm hais tias qee qhov khoom tau muab los ntawm cov tuam txhab German. Nyob rau hauv cov nqe lus ntawm ntau tshaj 25 xyoo, nws muaj kev ruaj ntseg hais tias Fiat txoj kev koom tes rau lub ntiaj teb no kev loj hlob ntawm diesel xyaw tau loj heev. Nws yog Italian chaw tsim tshuaj paus nyob rau hauv lub 80s uas qhia thawj lub cav diesel nrog ncaj qha roj txhaj, uas tau ntsia rau ntawm tus qauv Croma.

Cov neeg sib tw ua lag luam tsis muaj qhov tsis txaus ntseeg thiab txhim kho lawv cov thev naus laus zis los ntawm ib xyoos mus rau ib xyoos, thiab lub sijhawm no, Fiat tau coj lwm kauj ruam mus rau pem hauv ntej thiab nthuav qhia lub ntiaj teb thawj lub tsheb nrog ib qho kev tsheb ciav hlau diesel cav hauv qab hood. Nws yog ib lub sij hawm dhau los. Qhov tsuas yog qhov ua rau muaj kev tsis ntseeg yog qhov ua haujlwm ntev ntawm cov qauv tsim tshiab thiab cov cav cav.

JTD engines. Tsav versions

JTD lub cav me tshaj plaws muaj qhov ntim ntawm 1.3 litres, nws yog nws cov qauv yooj yim (ua hauv tebchaws Poland), uas nyob rau xyoo 2005 tau txais ib qho khoom plig tshwj xeeb, ntau dua lub npe muaj koob npe ntawm "International Engine of the Year" nyob rau hauv qeb ntawm units mus txog. 1.4 litre. Lub cav tau txais txiaj ntsig muaj nyob rau hauv ob lub zog xaiv: 70 hp. ib 90hp Nyob rau hauv: Fiat 500, Grande Punto, Opel Astra, Meriva, Corsa los yog Suzuki Swift.

Txij li xyoo 2008, cov chaw tsim khoom kuj tau muab 1.6-liter version nrog 90 hp, 105 hp. thiab 120 hp raws. Qhov muaj zog tshaj plaws, nws muaj lub Hoobkas DPF lim, uas tso cai rau nws ua tau raws li Euro 5 emission standard.Nws tuaj yeem xaj, ntawm lwm tus, rau Fiat Bravo, Grande Punto, Lancia Delta lossis Alfa Romeo MiTo. Lub iconic 1.9 JTD ua nws debut nyob rau hauv lub Alfa Romeo 156. Lub yim-valve 1.9 JTD UniJet ranged ntawm 80 mus rau 115 hp, lub MultiJet los ntawm 100 mus rau 130 hp, thiab rau-valve MultiJet los ntawm 136 mus rau 190 hp. Nws tau tshwm sim hauv ntau lub Alfa Romeo, Fiat, Lancia, Opel, Saab thiab Suzuki qauv.

Lub cav 2.0 MultiJet kuj muaj nyob rau hauv kev ua lag luam, thiab qhov no tsis muaj dab tsi tab sis tsim kev tsim kho ntawm 1.9 MultiJet nrog 150 hp. Kev ua haujlwm ntim tau nce 46 cubic meters. cm los ntawm kev nce txoj kab uas hla ntawm lub tog raj kheej los ntawm 82 mus rau 83 hli. Hauv kev hloov kho lub cav, qhov sib piv compression raug txo, uas muaj txiaj ntsig zoo ntawm kev txo qis nitrogen oxide emissions. Tsis tas li ntawd, chav tsev tau txais cov lim dej tshwj xeeb thiab EGR tso pa roj rov ua haujlwm. Lub 2.0 MultiJet muaj nyob rau hauv qee qhov Fiat thiab Lancia hauv 140 hp variant, thiab hauv Alfa Romeo qhov twg nws tau ntsuas ntawm 170 hp.

Saib ntxiv: Skoda Octavia vs. Toyota Corolla. Duel hauv ntu C

Thaum lub sij hawm, qhov kev txhawj xeeb npaj ib tug kiag li tshiab tsim JTD nrog ib tug ntim ntawm 2.2 litres nyob rau hauv ob lub hwj chim xaiv - 170 hp. thiab 210 hp, tsim rau Maserati thiab Alfa Romeo cov kev ua si tsheb, thiab tshwj xeeb tshaj yog cov qauv Ghibli, Levane, Stelvio thiab Giulia. . Italian ntau kuj muaj xws li ib tug 5-lub tog raj kheej version nrog ib tug ntim ntawm 2.4 litres, raws li zoo raws li 2.8 thiab 3.0 xyaw. Qhov loj tshaj plaws ntawm lawv tau mob siab rau cov tsheb xws li Maserati Ghibli thiab Levante, nrog rau Jeep Grand Cherokee thiab Wrangler.  

JTD engines. Kev ua haujlwm thiab malfunctions

Lub Italian JTD thiab JTDM xyaw yog undoubtedly vam meej kev loj hlob, uas yuav tuaj raws li ib tug surprise rau ib co. Kev puas tsuaj loj tsis tshua muaj, kev tawg me me tshwm sim, tab sis qhov no yog vim qhov kev ncua deb, siv tsis raug lossis hnyav dhau, lossis kev saib xyuas tsis txaus, uas tseem nrhiav tau yooj yim.

• 1.3 MultiJet Cov

Qhov yooj yim version (thawj tiam) ntsia rau ntawm Fiats muaj ib tug turbocharger nrog ib tug tsau hniav geometry, ib tug haib dua muaj ib tug sib txawv geometry turbine. Lub undoubted kom zoo dua ntawm no me me lub cev muaj zog yog lub gas tis system, uas yog raws li ib tug saw thiab ib tug muaj zog ib tug clutch. Nrog kev khiav ntawm 150 - 200 txhiab. km, tej zaum yuav muaj teeb meem nrog EGR valve.

Thaum muas lub tsheb siv, koj yuav tsum tau them sai sai rau lub lauj kaub roj, uas yog nyob rau hauv qis heev, uas ua rau nws tshwj xeeb tshaj yog yooj yim rau kev puas tsuaj. Muaj ob lub qauv ntawm chav tsev fais fab no nyob rau hauv kev ua lag luam: nrog lub tshuab lim dej uas ua tau raws li Euro 5 emission qauv thiab tsis muaj cov lim dej uas ua raws li Euro 4.

Feem ntau, cov ntxaij lim dej tau pom nyob rau hauv cov tsheb tuaj txawv teb chaws, qhov twg Euro 5 tus qauv tau siv txij li xyoo 2008, thiab hauv tebchaws Poland nws tsuas yog tshwm sim hauv 2010. Meanwhile, nyob rau hauv 2009, lub thib ob tiam 1.3 Multijet twb launched nrog lub Hoobkas-ntsia ib feem lim. Qhov no yog ib qho kev tsim kho uas, nrog kev saib xyuas kom zoo, tuaj yeem taug kev 200-250 txhiab kilometers. mais tsis muaj teeb meem.

• 1.6 MultiJet Cov

Lub cav tau tshwm sim nyob rau hauv 2008 thiab belongs rau 1.9 JTD. Lub hauv paus ntawm lub cev muaj zog yog cam khwb cia hlau thaiv nrog ob lub camshafts uas tau tsav los ntawm txoj siv sia. Hauv qhov kev tsim no, engineers tau tsom mus rau kev txhim kho kev ua haujlwm, txo cov roj noj thiab txo cov pa tawm hauv tsheb. Lub 1.6 MultiJet muaj plaub lub tog raj kheej, ib tiam thib ob Common Rail system thiab ib qho yooj yim tsim.

Lub turbocharger nrog cov hniav ruaj khov geometry tuaj yeem pom hauv 90 thiab 105 hp versions. Qhov ntau yam tsis muaj zog tsis muaj cov lim dej. Nyob rau hauv lub cav no, Fiat tau siv ib qho ntawm cov kev daws teeb meem zoo tshaj plaws, uas yog lub lim dej DPF tau teeb tsa tam sim ntawd tom qab lub tshuab compressor, uas muaj txiaj ntsig zoo rau kev ncav cuag qhov kub siab tshaj plaws kub kub - uas ua rau lub lim dej tsis muaj kev saib xyuas.

• 1.9 TSI Unijet

Peb tuaj yeem muaj kev nyab xeeb hais tias qhov no yog lub cev muaj zog ntawm Italian chaw tsim khoom. Lub sijhawm ntawm nws cov khoom poob rau xyoo 1997 - 2002. Lub yim-valve tsim muaj nyob rau hauv ob peb lub hwj chim xaiv, cov cav sib txawv ntawm cov khoom siv, suav nrog. intake manifolds, injectors thiab turbos.

80 hp cas muaj ib tug turbocharger nrog ib tug ruaj geometry ntawm cov hniav, tus so - nrog ib tug sib txawv geometry. Lub tshuab txhaj tshuaj solenoid tau muab los ntawm Bosch thiab tuaj yeem kho tus nqi pheej yig thaum muaj kev ua haujlwm tsis zoo. Lub ntsuas dej ntws thiab ntsuas kub, nrog rau EGR, tuaj yeem yog qhov xwm txheej ceev (clogged). Nyob rau ntau lub mileage, nws yuav sib tsoo nrog lub dual loj flywheel, yog tias qhov no tshwm sim, nws tuaj yeem hloov nrog ib qho loj flywheel.  

• 1.9 8V / 16V MultiJet

Tus neeg ua tiav tau tshwm sim hauv 2002 thiab, tsis zoo li nws cov thawj coj, feem ntau sib txawv hauv kev siv Common Rail II txhaj. Cov kws tshaj lij feem ntau pom zoo 8-valve xaiv. Hauv qhov no, lub nozzles kuj tau muab los ntawm German tuam txhab Bosch. Feem ntau ntawm kev ua lag luam yog 120-horsepower version. Cov chaw tsim khoom lag luam tseem suav nrog 1.9-liter twin-supercharged cav. Nws yog ib tug heev advanced tsim thiab kim kho. Nyob rau hauv 2009, ib tug tshiab tiam ntawm Multijet 2 xyaw tau qhia.

• 2.0 MultiJet II

Tus tsim tshiab yog raws li tus kwv me me. Lub cev muaj zog tau dhau los ntawm ntau qhov kev hloov kho uas tau tso cai rau nws ua raws li cov qauv nruj Euro 5 emissions. Chav tsev ua haujlwm raws li tus qauv nrog DPF lim thiab hluav taws xob tswj EGR valve. Lub tshuab hluav taws xob sib xyaw ua ke (tseem muab los ntawm Bosch) tsim lub siab ntawm 2000 bar, hydraulic valve ua kom raug cov nqi roj, uas txo cov roj noj thiab txhim kho kev ua haujlwm ntawm lub cav. Cov neeg siv kev txhim kho qhia txog teeb meem nrog kev siv roj ntau, DPF lim thiab EGR valve, uas yog hluav taws xob thiab kim dua los hloov. Nyob rau hauv cov ntaub ntawv no, koj yuav nrhiav tau ib tug biturbo version, uas yuav kim thiab nyuaj heev rau kho.

• 2.2 TZS

Raws li qee qhov kev xav, lub cav tau tsim rau cov kev xav tau ntawm cov chav kawm nruab nrab vans muab los ntawm Fiat thiab Lancia. Technologically, qhov no yog tus qauv PSA - nrog rau Common Rail system. Xyoo 2006, engineers tau hloov pauv tseem ceeb thiab muaj zog ntxiv. Cov kws tshaj lij tau them nyiaj rau qhov rov ua haujlwm tsis zoo ntawm cov tshuaj txhaj tshuaj (hmoov zoo, lawv tuaj yeem rov tsim dua tshiab), nrog rau lub log dual-mass thiab cov lim dej.  

• 2.4 20V MultiJet 175/180 TSI

Lub cev muaj zog tau nthuav tawm xyoo 2003, muaj 20-valve lub tog raj kheej taub hau thiab thib ob tiam MultiJet ncaj qha txhaj tshuaj, nrog rau qhov sib txawv geometry turbocharger thiab DPF lim. Lub undoubted kom zoo dua ntawm tus tsim yog zoo heev dynamics, tsim nyog combustion thiab ua hauj lwm kab lis kev cai. Cov khoom siv kim heev, qhov teeb meem yuav nyob hauv DPF lim thiab EGR valve.

Nws yuav tsum nco ntsoov tias qhov no yog ib qho kev tsim kho siab heev, yog li cov nqi kho tsis tau qis. Qhov ua ntej 10-valve version, tsim tawm ntawm 1997 thiab 2002, tau ruaj khov dua, muaj qhov yooj yim dua, thiab yog li ntawd muaj lub neej ntev dua thiab, qhov tseem ceeb, kev saib xyuas pheej yig dua.

• 2.8 MultiJet Cov

Qhov no yog ib yam khoom ntawm VM Motori, ib tug Italian chaw tsim tshuaj paus ntawm diesel units raws li ib tug rail technology thiab piezoelectric injectors nrog ib tug siab ntawm 1800 bar. Qhov tsis zoo ntawm qhov tsim no yog qhov teeb meem DPF lim. Tshwj xeeb tshaj yog thaum tsav tsheb nyob rau hauv lub nroog, ib tug loj npaum li cas ntawm soot accumulates, uas nyob rau hauv lem yuav txo tau engine hwj chim thiab ua rau kom raug nqi kho. Txawm li cas los xij, chav tsev muaj lub koob npe nrov rau kev nyob mus ib txhis.

• 3.0 V6 MultiJet

Qhov kev tsim no kuj tau tsim los ntawm VM Motori, nruab nrog qhov sib txawv geometry turbocharger los ntawm lub tuam txhab Garret nto moo thiab MultiJet II lub zog. Chav tsev siv tau, cov neeg siv tau hais tias kev saib xyuas yooj yim (nrog rau ib txhij) kev hloov roj yuav tsum tau ua ntau zaus tshaj qhov teev los ntawm cov chaw tsim khoom.

JTD engines. Chav tsev twg yuav yog qhov kev xaiv zoo tshaj?

Raws li koj tuaj yeem pom, muaj ntau ntau yam ntawm JTD thiab JTDM cov tsev neeg, cov cav tov zoo, tab sis yog tias peb tham txog tus thawj coj, ces peb xaiv version 1.9 JTD. Mechanics thiab cov neeg siv lawv tus kheej qhuas chav tsev no rau kev ua tau zoo thiab siv tau roj. Tsis muaj qhov tsis txaus ntawm cov khoom seem ntawm lub khw, lawv muaj yuav luag tam sim ntawd thiab feem ntau ntawm tus nqi tsim nyog. Piv txwv li, ib lub sij hawm ua tiav nrog lub twj tso kua dej nqi txog PLN 300, cov khoom siv clutch nrog lub log dual-mass rau 105 hp version. Tsis tas li ntawd, lub hauv paus 1300 JTD yog resistant rau cov roj tsis zoo, uas, hmoov tsis, tsis zoo rau cov kab lis kev cai ntawm nws cov hauj lwm, tab sis ib yam dab tsi rau ib yam dab tsi. 

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