Injin 7A-FE
Ci gaban injunan A-jerin Toyota ya fara ne a cikin 70s na ƙarni na ƙarshe. Wannan yana ɗaya daga cikin matakan rage yawan amfani da man fetur da haɓaka aiki, don haka duk sassan jerin sun kasance masu ƙanƙanci ta fuskar girma da ƙarfi.
Jafananci sun sami sakamako mai kyau a cikin 1993 ta hanyar sake sake wani gyare-gyare na jerin A - injin 7A-FE. A jigon sa, wannan rukunin ya kasance wani samfuri ne da aka gyaggyara na jerin da suka gabata, amma ana ɗaukarsa da kyau ɗaya daga cikin manyan injunan konewa na ciki a cikin jerin.
Kayan aiki na aiki
An ƙara ƙarar silinda zuwa lita 1.8. Motar ya fara samar da 115 horsepower, wanda shi ne quite wani babban adadi ga irin wannan girma. Halayen injin 7A-FE suna da ban sha'awa a cikin cewa mafi kyawun juzu'i yana samuwa daga ƙananan revs. Don tukin birni, wannan kyauta ce ta gaske. Hakanan yana ba ku damar adana mai ta hanyar ba ku gungurawa injin ɗin a cikin ƙananan gears zuwa babban gudu. Gabaɗaya, halayen su ne kamar haka:
| Shekarar samarwa | 1990-2002 |
| Volumearar aiki | 1762 cubic santimita |
| Matsakaicin iko | 120 karfin doki |
| Torque | 157 nm a 4400 rpm |
| Silinda diamita | 81.0 mm |
| Piston bugun jini | 85.5 mm |
| Filin silinda | jefa baƙin ƙarfe |
| Silinda kai | aluminum |
| Tsarin rarraba iskar gas | DOHC |
| Nau'in mai | fetur |
| Magabata | 3T |
| Magaji | Saukewa: 1ZZ |
Gaskiya mai ban sha'awa ita ce kasancewar nau'ikan injin 7A-FE guda biyu. Bugu da ƙari ga jiragen ruwa na al'ada, Jafananci sun haɓaka kuma suna tallata mafi kyawun 7A-FE Lean Burn. Ta hanyar jingina cakuda a cikin nau'in abin sha, ana samun iyakar tattalin arziki. Don aiwatar da ra'ayin, ya wajaba a yi amfani da na'urorin lantarki na musamman, wanda ya ƙayyade lokacin da ya dace da ƙaddamar da cakuda, da kuma lokacin da ya wajaba don sanya karin man fetur a cikin ɗakin. Dangane da sake dubawa na masu motoci tare da irin wannan injin, rukunin yana da alaƙa da rage yawan amfani da mai.
Siffofin aiki 7A-FE
Ɗaya daga cikin fa'idodin ƙirar motar ita ce lalata irin wannan taro kamar bel na lokaci na 7A-FE yana kawar da karo na bawuloli da piston, watau. a cikin sauƙi, injin ba ya tanƙwara bawul. A ainihinsa, injin yana da ƙarfi sosai.
Wasu masu ci-gaban raka'a 7A-FE tare da tsarin ƙonawa sun ce na'urorin lantarki galibi suna nuna halin rashin tabbas. Ba koyaushe ba, lokacin da kuka danna fedal ɗin totur, tsarin haɗaɗɗiyar ƙwanƙwasa yana kashe, kuma motar tana yin sanyi sosai, ko kuma ta fara murɗawa. Sauran matsalolin da ke tasowa tare da wannan rukunin wutar lantarki na sirri ne kuma ba su da yawa.
Ina aka shigar da injin 7A-FE?
7A-FE na yau da kullun an yi niyya don motocin C-class. Bayan nasarar gwajin injin da kuma kyakkyawan ra'ayi daga direbobi, damuwa ya fara shigar da naúrar akan motoci masu zuwa:
| Samfurin | Jiki | Na shekara | kasar |
|---|---|---|---|
| Avensis | AT211 | 1997-2000 | Turai |
| Caldina | AT191 | 1996-1997 | Japan |
| Caldina | AT211 | 1997-2001 | Japan |
| Carina | AT191 | 1994-1996 | Japan |
| Carina | AT211 | 1996-2001 | Japan |
| Karin E | AT191 | 1994-1997 | Turai |
| celica | AT200 | 1993-1999 | Sai Japan |
| Corolla / Cin nasara | AE92 | Satumba 1993 - 1998 | Afirka ta Kudu |
| Corolla | AE93 | 1990-1992 | Ostiraliya kawai |
| Corolla | AE102/103 | 1992-1998 | Sai Japan |
| Corolla/Pizm | AE102 | 1993-1997 | Arewacin Amurka |
| Corolla | AE111 | 1997-2000 | Afirka ta Kudu |
| Corolla | AE112/115 | 1997-2002 | Sai Japan |
| Corolla Space | AE115 | 1997-2001 | Japan |
| Corona | AT191 | 1994-1997 | Sai Japan |
| Corona premio | AT211 | 1996-2001 | Japan |
| Sprinter Carib | AE115 | 1995-2001 | Japan |
A-jerin injuna sun zama kyakkyawan haɓaka don haɓaka damuwa na Toyota. Wasu masana'antun sun sayi wannan haɓakar rayayye, kuma a yau ci gaban sabbin ƙarni na rukunin wutar lantarki tare da index A ana amfani da masana'antar kera motoci na ƙasashe masu tasowa.
