Rear axle VAZ 2107: fasali na aiki da kuma kiyayewa

Rear axle - wani fairly abin dogara naúrar Vaz 2107 mota, amma duk da m bayyanar da inji na bukatar yau da kullum tabbatarwa, ba tare da abin da zai iya kasa da wuri. Wannan naúrar na iya yin aiki na dogon lokaci idan ana sarrafa ta daidai kuma a hankali, idan zai yiwu a guje wa matsanancin yanayin tuƙi na abin hawa. Natsuwa da tuki a hankali ba tare da matsananciyar matsananciyar iskar gas da birki ba, aiki mai wuyar kamawa da fiye da kima za su ba da gudummawa ga iya aiki da dorewa na gatari na baya.

Ayyuka na baya axle VAZ 2107

Samfurin VAZ na bakwai ya kammala layin motocin da aka yi amfani da su ta hanyar Volga Automobile Plant: duk samfuran da suka biyo baya, waɗanda suka fara daga VAZ 2108, an sanye su da gaba ko ƙafar ƙafa. Saboda haka, karfin juyi daga injin "bakwai" ta hanyar sauran abubuwa na watsawa ana watsa shi zuwa ƙafafun baya. Axle na baya ɗaya ne daga cikin abubuwan watsawa, gami da banbanta da tuƙi na ƙarshe. Ana amfani da bambance-bambancen don rarraba juzu'i tsakanin ramukan axle na ƙafafun baya lokacin da motar ta juya ko motsawa akan hanyoyi masu ƙazanta. Babban kayan aiki yana haɓaka karfin juzu'i, wanda aka watsa zuwa mashin axle ta hanyar kama, akwatin gear da katako na katako. Idan an dauki nauyin da aka samu a matsayin 1, to, bambancin zai iya rarraba shi tsakanin sassan axle a cikin rabo na 0,5 zuwa 0,5 ko a cikin wani, misali, 0,6 zuwa 0,4 ko 0,7 zuwa 0,3. Lokacin da wannan rabo ya kasance 1 zuwa 0, ƙafar ɗaya ba ta juyawa (misali, ya fada cikin rami), kuma dabaran na biyu ya zame (a kan kankara ko rigar ciyawa).

Samfurin VAZ na bakwai ya kammala layin motocin tuƙi na baya wanda kamfanin Volga Automobile Plant ya kera.

Технические характеристики

Axle na baya na "bakwai" yana da sigogi masu zuwa:

• tsawon - 1400 mm;
• diamita daban-daban - 220 mm;
• diamita na hannun jari - 100 mm;
• Matsakaicin gear shine 4,1, watau, rabon haƙoran haƙoran da aka yi amfani da su da tuki shine 41 zuwa 10;
• nauyi - 52 kg.

Menene aka yi da gatari na baya?

Zane na baya axle na "bakwai" ya haɗa da adadi mai yawa na abubuwa, ciki har da:

1. Birki mai hawa birki.
2. fil jagora.
3. Shaft bearing man deflector.
4. ganga birki.
5. Zoben ganga.
6. na baya birki Silinda.
7. Mai zubar da jini birki.
8. Ƙunƙarar axle.
9. Makulle zobe na ɗaukar hoto.
10. Gadar katako flange.
11. Akwatin kaya.
12. Kofin tallafin bazara.
13. Gada katako.
14. Bakin dakatarwa.
15. Half shaft jagora.
16. Bambance-bambancen goro.
17. bambancin hali.
18. Hul ɗin ɗaukar bambanci.
19. Sabulu.
20. Tauraron Dan Adam.
21. Babban kayan sarrafa kayan aiki.
22. Gatari na hagu.
23. Half shaft kaya.
24. Akwatin Gear.
25. Zoben daidaita kayan tuƙi.
26. Hannun hannun Spacer.
27. Turi mai ɗaukar kaya.
28. Akwatin kaya.
29. Mai datti.
30. Flange cokali mai yatsa na haɗin gwiwar cardan.
31. Dunƙule.
32. Maslootrajtel.
33. Babban kayan tuƙi.
34. Ga tauraron dan adam.
35. Goyan bayan wanki don kayan axle.
36. Akwatin bambanci.
37. Dama gatari.
38. Bakin axle.
39. Farantin turaren axle.
40. Garkuwar birki ta baya.
41. Kushin birki na baya.
42. Tashin hankali.
43. Axle flange.
44. Rike farantin.
45. Ƙunƙarar hula masu hawa kusoshi.

Axle na baya ya ƙunshi abubuwan da aka gyara shaft ɗin axle, kayan ragewa da tuƙi na ƙarshe.

Gidaje

Duk hanyoyin aiki na axle na baya suna cikin katako, da kuma a cikin mahalli na gearbox. An yi katako da casings biyu da aka haɗa ta hanyar walda mai tsayi. Ƙaƙƙarfan raƙuman ruwa da hatimin ƙullun axle suna samuwa a cikin flanges a ƙarshen katako. Bugu da kari, abubuwan dakatarwa suna welded zuwa jikin katako. A tsakiyar, an faɗaɗa katako kuma yana da buɗewa wanda aka gyara ɗakunan gearbox. Ana shigar da na'urar numfashi a cikin sashinsa na sama, ta hanyar da ake kiyaye haɗin rami na gada da yanayi, saboda haka matsa lamba a cikin rami ba ya tashi sama da matakin da aka halatta kuma datti ba ya shiga cikin sashin.

Dukkanin hanyoyin aiki da ke cikin watsawar juzu'i suna cikin katakon axle da mahalli na gearbox

Gearbox

Babban kayan aiki ya ƙunshi tuƙi da kayan motsa jiki tare da kayan aikin hypoid, watau, gatari ba sa haɗuwa, amma ƙetare. Saboda ƙayyadaddun siffar hakora, an tabbatar da haɗin gwiwar da yawa daga cikinsu a lokaci ɗaya kuma, a sakamakon haka, nauyin hakora ya ragu kuma yana ƙaruwa.. Bambance-bambancen tauraron dan adam guda biyu, ban da tauraron dan adam da ke kan axis na gama gari, ya hada da akwati da gear guda biyu, yayin da tauraron dan adam ke ci gaba da yin cudanya da gears.

Akwatin gear axle na baya VAZ 2107 yana ƙunshe da faifai daban da na ƙarshe

Rabin-shafts

The "Bakwai" sanye take da abin da ake kira Semi-unloaded axle shafts na baya axle, wanda daukan kan lankwasawa sojojin duka a kwance da kuma a tsaye jirage. Shagon axle, a zahiri, shinge ne da aka yi da ƙarfe 40X, a ƙarshen ciki wanda akwai splines, a ƙarshen ƙarshen akwai flange. Ƙarshen ciki na shinge na axle an haɗa shi da nau'in nau'in nau'i, iyakar waje yana cikin flange na katako, wanda aka haɗa drum da dabaran birki. Ƙaƙwalwar ƙaddamarwa na ɗaukar hoto, wanda kuma aka gyara shi zuwa katako, yana ba da damar yin amfani da shingen axle a wurin.

VAZ 2107 sanye take da Semi-unloaded axle shafts na raya axle, wanda daukan kan lankwasawa sojojin duka biyu a kwance da kuma a tsaye jirage.

Alamar damuwa

Da zaran direban ya lura da wasu canje-canje a cikin aikin na baya (alal misali, akwai wasu sauti na waje waɗanda ba a can ba), dole ne ya amsa waɗannan canje-canje da wuri-wuri don kada ya tsananta rashin aiki. Mafi yawan alamun alamun irin waɗannan matsalolin na iya zama ƙarar matakin ƙara:

• suna fitowa daga ƙafafun baya;
• a lokacin aiki na baya axle;
• lokacin hanzarta motar;
• lokacin yin birki ta mota;
• a lokacin hanzari da birki ta mota;
• yayin jujjuya abin hawa.

Bugu da ƙari, ƙwanƙwasawa a farkon motar da ɗigon mai na iya nuna rashin aiki na axle na baya.

Mai yayyo yana nuna rashin aiki na baya axle VAZ 2107

Maƙala yayin tuƙi

Abubuwan da ke haifar da tashin hankali daga gatari na baya lokacin da motar ke motsawa na iya zama:

• lalacewa ko lalata shingen axle ko nau'i na daban;
• nakasar katako ko semiaxes;
• daidaitawar da ba ta dace ba, lalacewa ko lalacewa na kayan aiki ko bearings na akwatin gear da bambanci;
• lalacewa na haɗin spline tare da gear gefe;
• daidaitaccen daidaitawa na hakoran gear na babban kayan aiki;
• rashin wadataccen mai.

Cardan yana jujjuya, amma motar bata motsi

Idan burbushin burbushin yana jujjuyawa yayin injin yana tsaye, dalilin zai iya zama gazawar haɗin spline na shaft ɗin axle ko sawar haƙoran gear na bambance-bambancen ko na ƙarshe. A kowane hali, idan cardan yana jujjuya, amma motar ba ta motsawa, wannan yana nuna raguwa mai tsanani kuma, mafi mahimmanci, zai zama dole don maye gurbin ramuka ko kaya.

Ruwan mai daga jiki da kuma daga gefen shank

Abubuwan da suka fi dacewa na zubar mai daga gidajen axle na baya:

• lalacewa ko lalacewa ga hatimin man tuƙi;
• sanye da hatimin axle, wanda aka ƙaddara ta hanyar mai na garkuwar birki, ganguna da takalma;
• sassauta kusoshi don ɗaure crankcase na akwatin gear axle na baya;
• lalacewa ga hatimi;
• wasan axial na shank;
• cushe sabulun.

Ƙafafun sun makale kuma ba sa juyawa

Idan ƙafafu na baya sun matse, amma ganguna da pads suna cikin tsari, dalilin irin wannan rashin aiki na iya zama gazawar bearings ko mashin axle kanta. Mafi mahimmanci, a cikin wannan yanayin, bearings crumbled ko axle shaft ya lalace (misali, saboda tasiri) kuma ana buƙatar maye gurbin sassan.

Dan kadan mai ya zubo daga gadar ta hatimin axle shaft + kura daga pads = "manne" mai kyau. Ƙashin ƙasa: cire ganga kuma duba. Idan duk maɓuɓɓugan ruwa suna cikin wurin, toshewar ba ta karye ba, sannan a ɗauki takarda yashi a tsaftace ganguna da pads. A wanke su da injin carburetor ko makamancin haka tukuna. Ana sayar da su a cikin kwalabe.

sub-maciji

https://auto.mail.ru/forum/topic/klassika_zaklinilo_zadnee_koleso_odno/

Gyaran gatari na baya

Duk wani gyare-gyare na baya axle, a matsayin mai mulkin, yana da rikitarwa da tsada, don haka kafin a ci gaba da shi, ya kamata ka gudanar da cikakken ganewar asali kuma tabbatar da cewa dalilin rashin aikin motar ya ta'allaka ne a nan. Idan yayin motsi na abin hawa akwai wasu kararraki waɗanda ba a can baya ba, ya kamata ku yi ƙoƙarin tantance lokacin da suka bayyana.. Idan na baya axle ya yi hum duka biyu a karkashin kaya (lokacin tuki tare da gearbox tsunduma) kuma ba tare da shi (a tsaka tsaki gudun), to, mafi m ba haka al'amarin. Amma lokacin da aka ji amo kawai a ƙarƙashin kaya, kuna buƙatar yin aiki tare da axle na baya.

Don gyara sassa daban-daban na axle na baya, kuna buƙatar:

• wani saiti na buɗewa da ƙwanƙwasa mai ɗorewa;
• chisel da naushi;
• mai ja don bearings;
• guduma;
• punch na tsakiya ko fensir mai sauƙi;
• maƙarƙashiya mai ƙarfi;
• saitin bincike;
• calipers;
• kwandon magudanar mai.

Shank bearing

Abubuwan da aka yi amfani da su a cikin akwatin gearbox suna da:

• alamar 7807;
• diamita na ciki - 35mm;
• diamita na waje - 73mm;
• nisa - 27mm;
• nauyi - 0,54 kg.

Don maye gurbin gearbox shank bearing:

1. Shirya guduma, lebur screwdriver, chisel, ja da maɓalli na 17 da 10.
   

   Don maye gurbin shank bearing, kuna buƙatar guduma, lebur screwdriver, chisel, wrenches na 17 da 10.
2. Sake gyaran ɓawon burodi.
   

   Don isa ga ɗaukar hoto, wajibi ne don kwance kwaya na madaidaicin madaidaicin
3. Cire kusoshi masu gyara murfi.
   

   Bayan haka, cire ƙullun gyaran kafa na murfin ɗaukar hoto
4. Cire murfin.
   

   Bayan cire kullun, kuna buƙatar cire murfin ɗaukar hoto
5. Cire kwaya mai daidaitawa.
   

   Mataki na gaba shine cire kwaya mai daidaitawa.
6. A hankali matsi da ƙarfi daga ciki tare da tasiri sukudireba da guduma.
   

   Sa'an nan kuma kuna buƙatar a hankali ƙwanƙwasa ƙarfin daga ciki tare da screwdriver mai tasiri da guduma
7. Cire abin ɗamara ta amfani da abin ja ko guntu tare da guduma.
   

   Kuna iya cire abin da aka yi amfani da shi ta amfani da ja ko guntu tare da guduma.

Ana aiwatar da shigar da sabon ɗaukar hoto ta hanyar juyawa.

Ƙunƙarar axle

A kan aksali shafts na raya aksali Vaz 2107 amfani da hali 6306 2RS FLT 6306 RS, da sigogi daga abin da:

• diamita na ciki - 30 mm;
• diamita na waje - 72 mm;
• nisa - 19 mm;
• nauyi - 0,346 kg.

Lokacin da za a fara maye gurbin axle shaft bearing, ya kamata ka kuma shirya:

• jak;
• goyon baya (misali, katako ko tubali);
• dabaran tsayawa;
• warfin balloon;
• baya guduma;
• makullin 8 da 12;
• ramin soket na 17;
• ramin sukurori;
• niƙa;
• shingen katako;
• man shafawa, rags.

Don maye gurbin abin da za ku buƙaci:

1. Rushe dabaran, gyara na'ura tare da tsayawar dabaran, sassauta ƙullun gyaran gyare-gyare tare da maƙarƙashiya, ɗaga jiki tare da jack da maye gurbin tallafi a ƙarƙashinsa.
   

   Kuna buƙatar cire dabaran don maye gurbin ɗaukar gatari.
2. Cire jagororin a kan ganga tare da maɓalli na 8 ko 12 kuma cire drum ɗin, yin amfani da bugun haske zuwa gare shi daga ciki ta hanyar katako.
   

   Ya kamata a buga ganga ta hanyar katako
3. Cire kusoshi huɗu masu daidaitawa na shingen axle tare da maƙallan soket guda 17 ta cikin ramuka na musamman a cikin flange, yayin da ake riƙe ƙwayayen bazara waɗanda ke ƙarƙashin kusoshi.
   

   Ba a buɗe ƙullun madaidaicin sandar axle tare da maƙallan soket da 17
4. Cire shingen axle tare da juyi guduma, wanda aka haɗe zuwa flange tare da kusoshi.
   

   Ana cire shingen axle tare da juyawa baya
5. Cire zoben O-ring da ke tsakanin flange da garkuwar birki.
   

   Bayan haka, cire zoben hatimi tsakanin flange da garkuwar birki
6. Gyara ramin axle (misali, a cikin mataimakin) kuma ku yi ƙulla zoben kulle tare da niƙa.
   

   Ana iya yin ɓarna a kan zoben kulle ta amfani da injin niƙa
7. Yi amfani da chisel da guduma don ƙwanƙwasa zoben kullewa da ɗaukar nauyi. Tabbatar cewa ramin gatari bai lalace ba.
   

   Bayan cire abin da aka ɗaure, tabbatar da cewa ba a lalata shingen axle ba.

Bayan haka wajibi ne:

1. Shirya sabon nau'i don shigarwa ta hanyar shafa shi da maiko ko lithol. Hakanan ya kamata a yi amfani da lubrication a mashigin axle. Shigar da abin hawa a wuri tare da guduma da guntun bututu.
   

   An ɗora sabon ɗaukar hoto a kan shingen axle tare da guduma da guntun bututu.
2. Yi zafi da zobe na kulle tare da busa wuta (har sai wani farin rufi ya bayyana) kuma shigar da shi a wurin tare da taimakon pliers.
3. Sauya hatimin shaft axle. Don yin wannan, kana buƙatar cire tsohon hatimin mai daga wurin zama tare da screwdriver, cire tsohuwar man shafawa daga wurin zama, yi amfani da sabon abu kuma, ta amfani da shugaban 32, danna cikin sabon hatimin mai (tare da bazara zuwa ga wurin. katako).
   

   Ana iya danna sabon hatimin mai tare da soket 32 ​​inci.

Ana yin hawan igiyar axle a cikin tsari na baya. Bayan shigar da ramin axle a wurin, juya dabaran kuma tabbatar da cewa babu wasa da hayaniyar waje yayin juyawa.

Shank gland shine yake

Idan ɗigon mai ya bayyana akan akwatin gearbox, da alama za a canza hatimin mai. Don maye gurbin hatimin shank, dole ne ku:

1. Cire shingen cardan daga shank kuma kai shi gefe.
   

   Don maye gurbin hatimin mai, kuna buƙatar cire haɗin igiyar cardan daga shank ɗin gearbox
2. Ƙayyade lokacin juriya na kayan tuƙi ta amfani da dynamometer ko maƙarƙashiya.
   

   Za'a iya tantance jujjuyawar abin tuƙi ta amfani da dynamometer ko maƙarƙashiya
3. Idan babu dynamometer, ya kamata a yi alamomi a kan flange da goro tare da alamar, wanda ya dace bayan taro.
   

   Idan babu dynamometer, ya kamata a yi alamomi a kan flange da goro tare da alamar, wanda dole ne ya dace bayan taro.
4. Cire goro mai ɗaure flange na tsakiya ta amfani da kan hula, kulle flange tare da maƙarƙashiya na musamman.
   

   Ba a buɗe goro mai ɗaukar flange na tsakiya ta amfani da kan hula, yana kulle flange da maɓalli na musamman
5. Yin amfani da ja na musamman, cire flange.
   

   Ana cire flange tare da ja na musamman
6. Toshe gland tare da screwdriver kuma cire shi daga wurin zama.
   

   Cire tsohon hatimi tare da sukudireba
7. Tsaftace wurin zama na tsohon maiko.
   

   Ya kamata a tsaftace wurin zama daga tsohon maiko
8. Kafin shigar da sabon hatimin mai, sanya man da yake aiki da lithol.
   

   Kafin shigar da sabon hatimin mai, sanya man da yake aiki da lithol
9. Yin amfani da firam na silindi na musamman, yi guduma sabon hatimin mai zuwa wurin, zurfafa shi da 1,7-2 mm daga ƙarshen fuskar akwatin gear.
   

   Yin amfani da firam na cylindrical na musamman, kuna buƙatar buge sabon hatimin mai zuwa wurin, zurfafa shi da 1,7-2 mm daga ƙarshen akwatin gear.
10. Lubricate filin aiki na akwatin shaƙewa da sabon mai.
    

    Wurin aiki na hatimin mai da aka shigar dole ne a shafa shi da sabon mai.
11. Sake shigar da duk sassan da aka wargaje ta hanyar juyawa.

Baya na shank

Don auna wasan shank:

1. Sauka cikin rami na dubawa kuma kunna katakon katakon agogon agogo (ko madaidaicin agogo) har sai ya tsaya.
2. A cikin wannan matsayi, yi alamomi a kan flange da kuma a kan shaft.
3. Juya shaft ɗin gabaɗaya a gaba kuma ku yi alama. Nisa tsakanin alamomin farko da na biyu shine koma baya na shank.

Ana ɗaukar koma baya na 2-3 mm al'ada.. Idan girman wasan ya kusanci 10 mm, yakamata a ɗauki matakan kawar da shi. Dalilin haɓakar haɓakawa shine lalacewa na hakoran gear na babban kayan aiki da bambanci, da kuma lahani na bearings, sabili da haka, an kawar da wasan gefe, a matsayin mai mulkin, ta maye gurbin sawa ko lalacewa.

Baya ga radial, za a iya samun koma baya na dogon lokaci na shank, wanda kuma shi ne sanadin hucin lokacin da motar ke motsawa. Idan mai ya bayyana a wuyan akwatin gear, wannan na iya zama alamar farkon ƙarar wasan a tsaye (ko axial). Irin wannan koma baya yana bayyana, a matsayin mai mulkin, saboda:

• "Sagging" na hannun rigar sararin samaniya lokacin daɗaɗɗen goro na tsakiya, sakamakon abin da ke tattare da kayan aiki ya rushe, madaidaicin lambar ya ɓace kuma wani hum yana faruwa lokacin da na'ura ta motsa;
• nakasar zoben flinger da aka yi da abu mai laushi sosai.

Ƙarƙashin matsi ko lalacewa da kayan sawa suma sune abubuwan da ke kawo ƙarshen wasan.

Idan akwai tsagewa, karyewa da sauran lahani akan haƙora (ko ma akan ɗayansu) na babban kayan aiki ko nau'ikan nau'ikan daban-daban, dole ne a canza wannan biyun.

Idan akwai tsagewa, karya da sauran lahani akan hakora (ko ma akan ɗayansu) na manyan kayan aikin, dole ne a canza wannan nau'in. Babban nau'i-nau'i kuma ana fuskantar ƙin yarda da su, idan an gwada su za'a iya lura da rashin daidaituwa na band ɗin saman haƙori ko kunkuntar sa a tsakiya. Ana buƙatar maye gurbin akwatin bambancin idan akwai "sagging" na wuyansa, lokacin da bearings ya shiga da fita da hannu.

Bayan gyare-gyare tare da maye gurbin sawa da lalacewa, yana da mahimmanci don zaɓar daidaitattun zoben daidaitawa lokacin da aka haɗa shank: a masana'anta, ana shigar da irin waɗannan zobe ta amfani da na'ura na musamman har sai an kai ƙaramar ƙararrawa. Ana kuma ba da shawarar a canza hannun rigar sarari a duk lokacin da akwatin gear ɗin ya harɗe. Ya kamata a tuna cewa daidaita akwatin gear axle na baya yana buƙatar wasu ƙwarewa, kuma idan an yi wannan a karon farko, yana da kyau a sami mashawarci a hannun ƙwararren injiniyan mota.

Bidiyo: kai tsaye auna koma bayan shank

Ƙara koma baya ga kayan aiki. Yadda ake auna koma bayan kaya.

Muna sarrafa mai a cikin akwatin gear

Domin gearbox na raya axle na "bakwai", Semi-synthetics tare da danko sigogi 75W-90 dace, misali:

• CASTROL Syntrans Transaxle 75W-90 API GL-4;
• "Lukoil 80W90 GL-5", da dai sauransu.

Ana zuba lita 1,35 na mai ta hanyar rami na musamman a kan mahalli na gearbox. Idan kana buƙatar zubar da man da aka yi amfani da shi, ana samar da ramin magudanar ruwa a kasan akwatin gear. Kafin zubar da tsohon mai, ana ba da shawarar dumama motar, sanya shi a kan shimfidar wuri kuma tada gefen dama na motar tare da jack.. Idan akwai shavings na karfe a cikin ma'adinan, ya kamata a wanke tankin gearbox tare da ruwa na musamman ko man alade.

Domin raya axle na VAZ 2107, CASTROL Syntrans Transaxle 75W-90 API GL-4 man ya dace.

Yana da dacewa don cika sabon mai ta amfani da sirinji na musamman wanda za'a iya saya a dillalin mota. Duk matosai (magudanar ruwa da filler) ya kamata a ɗora su cikin aminci, sa'an nan kuma duba yanayin numfashin, wanda yakamata ya motsa cikin yardar kaina. Idan mai numfashi ya makale, akwati ba zai tuntubi yanayi ba, wanda zai haifar da karuwa a cikin matsa lamba na ciki, lalacewa ga hatimi da zubar da man fetur. Matsayin mai a cikin akwatin gear axle na baya ana ɗaukar al'ada lokacin da ruwa ya kai ƙananan gefen ramin filler.

Bidiyo: canza mai a cikin akwatin gear da kanka

Canza man fetur a cikin akwati na baya VAZ 2107

Gyarawa da daidaitawa mafi mahimmancin abubuwan da aka gyara na baya, a matsayin mai mulkin, yana buƙatar wasu ayyuka, don haka ya fi dacewa a yi shi a ƙarƙashin jagorancin ƙwararren gwani. Idan an ji sautuka masu ban mamaki daga gefen gatari na baya yayin tuki, yakamata a gano dalilin bayyanar su ba tare da bata lokaci ba. Ta hanyar yin watsi da irin waɗannan surutu, za ku iya "fara" rugujewar kuma daga baya fuskantar gyare-gyare mai rikitarwa da tsada. Yarda da dokoki masu sauƙi don aiki da kuma kula da gatari na baya zai tsawaita rayuwar motar shekaru masu yawa.