Nissan VQ30DET engine

A cikin 1994, Nissan ya ƙirƙira layin sedans na aji na kasuwanci. An samar da su tare da injunan jerin VQ tare da damar silinda na 2, 2.5 da 3 lita. Motocin sun yi kyau, amma ba cikakke ba. Damuwar Jafananci ta inganta su a hankali. Alal misali, don rage nauyi, simintin silinda na simintin simintin an yi shi da aluminum, kuma an maye gurbin bel na gajeren lokaci tare da sarkar, wanda ya kara yawan rayuwar sabis.

Daga baya, masana'anta sun yanke shawarar yin watsi da masu hawan ruwa. Wannan ya zama dole don ƙara yawan fitar da motoci bisa wannan injin zuwa ƙasashen da ake amfani da man ma'adinai marasa inganci da arha. Amfani da su akan injuna tare da ma'auni na hydraulic ya haifar da gazawar na karshen.

Sannan sun inganta tsarin ci da shaye-shaye, sun sanya camshafts guda 2 a kowane gefen motar. Duk wannan ya haifar da karuwar wutar lantarki da karfin wutar lantarki, da kuma karuwar tsaftace ɗakunan ya sanya yiwuwar tilastawa. A sakamakon haka, wani sabon gyara ya bayyana - VQ30DET. An riga an yi amfani da shi a cikin 1995 kuma an yi amfani da shi a kan motoci na 2008 (Nissan Cima).

Halaye da ƙaddamar da sunan

Sunayen kewayon da samfuran injunan Nissan sun bayyana halayensu. VQ30DET yana nufin:

1. V - nadi tsarin (a cikin wannan yanayin, muna nufin tsarin V-dimbin yawa).
2. Q shine sunan jerin.
3. 30 - Silinda girma (30 cubic dm. ko 3 lita).
4. D - nadi na injuna da 4 bawuloli da Silinda.
5. E - allurar petur mai ma'ana da yawa.

Wannan ya sa ya bayyana ainihin sigogi na motar.

Fasalolin Faɗakarwa: 

Matsakaicin iko	270-280 l. Tare da (cimma a 6400 rpm)
Max. karfin juyi	387 Nm samu a 3600 rpm
Fuel	Man fetur AI-98
Man fetur	6.1 l / 100 km - waƙa. 12 l / 100 km - birni.
nau'in injin	6-Silinda, Silinda diamita - 93 mm.
Supercharger	Baturke
Matsakaicin matsawa	09.10.2018
Man fetur da aka yi amfani da shi (dangane da nisan mil da zafin iska na waje)	Danko 5W-30, 5W-40, 10W30 - 10W50, 15W-40, 15W-50, 20W-40, 20W-50
Girman man inji	4 lita
Tsakanin canjin mai	Bayan 15000 km. Yin la'akari da inganci da rarraba lubricants ba na asali ba, yana da kyau a maye gurbin shi bayan 7500 km.
Cin mai	Har zuwa 500 grams da 1000 km.
Injin injiniya	Sama da kilomita dubu 400 (a aikace)

Motoci masu injin VQ30DET

Ana amfani da wannan gyara tare da injuna masu zuwa:

1. Nissan Cedric 9 da 10 ƙarni - daga 1995 zuwa 2004.
2. Nissan Cima 3-4 ƙarni - daga 1996 zuwa 2010.
3. Nissan Gloria 10-11 ƙarni - daga 1995 zuwa 2004.
4. Nissan Leopard 4 ƙarni - daga 1996 zuwa 2000.

Yawancin waɗannan motoci, ciki har da Nissan Cedric na 1995, har yanzu suna kan hanya madaidaiciya saboda aminci da tsawon rayuwar injin.

Nissan Cedric 1995

Fasahar Neo

A 1996, da Mitsubishi damuwa ci gaba da kuma fara taro samar da injuna da GDI tsarin. Siffar irin waɗannan injunan konewa na ciki ita ce allurar mai kai tsaye na man fetur a cikin silinda ƙarƙashin matsi mai ƙarfi kuma tare da yawancin iska a cikin cakuda (rabo 1:40). Nissan ta yi ƙoƙari don cim ma abokiyar hamayyarta kai tsaye sannan kuma ta fara ƙirƙirar fasahar allurar mai makamancin haka. Jerin injuna tare da allurar mai kai tsaye a cikin ɗakunan sun sami prefix ga sunan - Neo Di.

Babban nau'in tsarin shine babban famfo mai matsa lamba. Godiya ga shi, a rago, an halicci matsa lamba na 60 kPa, kuma yayin tuki, zai iya tashi zuwa 90-120 kPa.

Injin dangin DE sun sami wannan sabuntawa kuma tun 1999 sun haɗa da samfura tare da fasahar NEO. An sanye su da gyaran camshafts da lokacin bawul. Wadannan injinan sun zama masu ci gaba a fannin fasaha da kuma kare muhalli, amma a lokaci guda aikinsu ya dogara da sarrafa lantarki. Ƙarfin wutar lantarki ya kasance iri ɗaya, amma illarsu ga muhalli ya ragu.

Malfunctions da matsalolin injin VQ30DET

An fada a sama cewa wannan gyare-gyare ba shi da na'ura mai kwakwalwa, don haka sau ɗaya kowane kilomita dubu 100 ya zama dole don daidaita bawuloli - wannan sifa ce ta wannan tashar wutar lantarki.

Akwai korafe-korafe a Intanet daga masu motoci da wadannan injuna game da kwararar mai ta hanyar dipstick. Idan ka tada motar kuma ka duba matakin mai, ana iya rufe duk dipsticks da mai. A babban gudu (5-6 dubu rpm), tofa daga binciken yana yiwuwa.

A lokaci guda kuma, motar tana aiki akai-akai kuma baya yin zafi, duk da haka, matakin lubrication ya ragu, wanda a nan gaba yana cike da yunwar mai. An yi imani da cewa dalilin zai iya zama iskar gas a cikin crankcase, wanda ke shiga can ta cikin silinda. Wannan yana nufin ko dai silinda ya ƙare, ko zoben. Irin wannan matsala ba ta faruwa sau da yawa, amma tana faruwa akan injin VQ30 (da gyare-gyarensa) tare da m nisan mil.

Sauran raunin waɗannan injuna:

1. Cin zarafin lokacin rarraba iskar gas.
2. Fashewa, wanda sau da yawa yana tare da ƙara yawan man fetur. Don magance wannan matsala, ana buƙatar tsaftace bawuloli daga soot.
3. Na'urori masu auna firikwensin MAF mara kyau (mitocin iska), wanda ke haifar da injin ya cinye iskar da yawa - wannan yana haifar da cakuda ƙasa mai laushi.
4. Asarar matsa lamba a cikin tsarin man fetur. Duk wani abu nasa zai iya zama mara amfani - famfon allura, masu tacewa, mai sarrafa matsa lamba.
5. Injectors marasa aiki.
6. Rashin gazawar masu kara kuzari, wanda ke haifar da asarar iko.

Sau da yawa, masu motoci masu waɗannan injuna suna tuntuɓar tashar sabis tare da korafi game da hasken Injin Duba yana kunne. Ba a keɓance na dindindin ko na ɗan lokaci (lokacin da ɗayan silinda ba ya aiki da kyau ko baya aiki kwata-kwata), wanda ke tare da asarar iko.

Yawancin lokaci wannan yana hade da matsala a cikin tsarin kunnawa. Idan "kwakwalwa" sun kimanta aikin coils kuma ƙayyade duk wani rashin aiki, to suna sanar da direba game da wannan ta amfani da hasken Injin Duba.

A wannan yanayin, ana karanta kuskure P1320. Abin baƙin ciki, kana bukatar ka da hannu ƙayyade abin da nada ba ya aiki, wanda shi ne wani hali aibi a cikin inji bincike tsarin.

Injin da ke da fasahar Neo suna amfani da bawul ɗin EGR, waɗanda ke rage adadin iskar nitrogen a cikin iskar gas. Wannan na'urar tana da kyan gani kuma tana buqatar ingancin man fetur. Lokacin amfani da ƙananan man fetur (a cikin ƙasarmu, ingancin man fetur yana da ƙasa idan aka kwatanta da man fetur a Turai), bawul na iya zama rufe da soot da wedge. A cikin wannan jiha, ba ya aiki, don haka cakuda man fetur-iska da aka ba da shi ga cylinders yana da daidaitattun daidaitattun. Wannan ya haɗa da raguwar wutar lantarki, ƙarar nisan iskar gas da saurin lalacewa na injin. A lokaci guda kuma, hasken injin Duba a kan dashboard yana haskakawa. Lura cewa bawul ɗin EGR matsala ce ga injuna da yawa inda ake amfani da shi, kuma ba musamman don injunan jerin VQ30DE ba.

ƙarshe

Wannan injin yana tattara tabbataccen sake dubawa tsakanin masu mallakar mota - ba shi da fa'ida a cikin kulawa, abin dogaro, kuma mafi mahimmanci - mai dorewa. Kuna iya tabbatar da hakan da kanku ta hanyar duba wuraren da ake sayar da motocin da aka yi amfani da su. Akwai nau'ikan Nissan Cedric da Cima na 1994-1995 akan kasuwa tare da sama da kilomita 250-300 akan ma'aunin nauyi. A wannan yanayin, zaku iya ƙara haɓaka bayanai akan na'urar, tunda masu siyarwa galibi suna karkatar da nisan "official".