Yuav ua li cas hloov cov pa roj recirculation valve?

Puas yog koj cov pa roj recirculation valve puas thiab yuav tsum tau hloov? Kab lus no piav qhia cov kauj ruam mus rau hloov cov pa roj recirculation valve !

🔍 Qhov twg yog qhov tso pa roj recirculation valve?

Ib qho pa roj recirculation valve yog ib qho pib uas tshem tawm cov pa phem tawm thaum lub cav combustion. Qhov chaw ntawm EGR valve tuaj yeem sib txawv ntawm lub tsheb mus rau lub tsheb, tab sis nws feem ntau yog nyob nruab nrab ntawm cov pa hluav taws xob thiab cov khoom noj khoom haus. Qhov no yog lub cev muaj zog tswj module uas tswj qhov qhib thiab kaw ntawm lub cev muaj zog los ntawm kev sib txuas hluav taws xob. Yog li, EGR valve feem ntau nkag tau ncaj qha los ntawm lub hau, uas ua rau nws yooj yim dua los hloov nws yog tias tsim nyog.

🚗 Yuav ua li cas paub yog tias cov pa roj recirculation valve tawm ntawm kev txiav txim?

Ua ntej pib nrog nws cov disassembly, nws yog advisable mus xyuas seb cov pa roj recirculation valve puas ua hauj lwm zoo. Rau qhov no, muaj ntau cov tsos mob uas tuaj yeem ceeb toom ntawm kev ua haujlwm tsis zoo ntawm cov pa roj recirculation valve. Tseeb tiag, yog tias koj tab tom ntsib lub cav nres, idling tsis tu ncua, poob ntawm lub zog, ntau cov pa luam yeeb ntau dhau, lossis siv roj ntau ntxiv, koj lub EGR valve yuav tsis zoo lossis txhaws. Qee lub tsheb muaj lub teeb ceeb toom emission uas tuaj yeem tuaj thiab ceeb toom koj yog tias EGR valve ua tsis tiav.

Yog tias koj lub EGR valve daig qhib, koj yuav pom cov pa luam yeeb dub muaj zog tawm ntawm cov yeeb nkab tso pa nrog txhua qhov nrawm vim tias lub cav khiav tawm ntawm huab cua thiab yog li ntawd tsis tiav combustion, ua rau cov pa roj carbon dioxide tseem ceeb.

Yog tias koj lub EGR valve tsis raug txiav txim, tsis tas yuav hloov nws tag nrho. Qhov tseeb, nws tuaj yeem raug ntxuav los ntawm kev ntxiv ib qho ntxiv lossis descaling rau cov roj av. Txawm li cas los xij, yog tias kev tswj hluav taws xob tsis ua haujlwm lawm, koj yuav tsum tau hloov EGR valve ua qhov txuas ntxiv. Txhawm rau tswj cov pa roj recirculation valve thiab tsis txhob txhaws, nws raug nquahu kom tsav tsheb tsis tu ncua ntawm txoj kev tsheb thiab ua kom lub cav ceev kom tshem tawm cov pa roj carbon ntau.

🔧 Yuav ua li cas disassemble cov pa roj recirculation valve?

Ntawm qee lub tsheb, EGR valve tuaj yeem yooj yim mus txog yog tias lub tshuab tso pa tawm nyob rau tom qab ntawm lub cav. Tom qab ntawd koj yuav tsum tau disassemble ntau qhov chaw ntawm lub tsheb thiaj li yuav nkag tau rau lawv. Yog li ntawd peb qhia koj mus rau lub chaw nres tsheb los hloov cov pa roj recirculation valve. Tsis tas li ntawd, txhawm rau ua kom tiav qhov rov ua haujlwm ntawm EGR valve, koj yuav tsum pib koj lub tsheb nrog cov cuab yeej pabcuam kuaj mob (lub tshuab uas ob peb tus neeg muaj). Txawm li cas los xij, yog tias koj tseem xav hloov EGR valve koj tus kheej, ntawm no yog cov lus qhia step-by-step uas yuav tso cai rau koj ua koj tus kheej.

Cov cuab yeej xav tau:

• txuas
• Wrenches (pas, socket, hex, Torx, thiab lwm yam)
• Свеча
• Nkag mus

Kauj Ruam 1. Npaj kom tshem tawm EGR valve.

Pib los ntawm kev nrhiav EGR valve ntawm koj lub tsheb qauv. Koj tuaj yeem siv koj lub tsheb daim ntawv ntsuam xyuas kev tshawb fawb kom paub txog txoj haujlwm ntawm EGR valve. Tom qab ntawd txiav txim siab hom valve thiab kev sib txuas (hluav taws xob, pneumatic lossis hydraulic). Tej zaum koj yuav xav tau cov roj nkag mus kom tshem tawm cov fasteners, vim tias EGR valve feem ntau nyob ze ntawm qhov tso pa tawm. Yog tias tsim nyog, siv lub jack thiab lub jack hauv qab lub tsheb kom nkag mus rau cov pa roj recirculation valve.

Kauj ruam 2: disconnect lub roj teeb

Txhawm rau hloov cov pa roj recirculation valve kom nyab xeeb, lub roj teeb yuav tsum raug txiav. Hauv peb qhov blog, koj yuav pom cov lus hais txog kev tshem tawm roj teeb. Ceev faj, raws li koj pheej hmoo poob tag nrho cov ntaub ntawv khaws tseg thaum koj hloov lub roj teeb. Yog li ntawd, muaj ntau txoj hauv kev los zam qhov no: tag nrho cov lus qhia tuaj yeem pom hauv peb qhov blog.

Kauj Ruam 3: Tshem tawm thiab tshem tawm EGR valve.

Tom qab disconnecting lub roj teeb, koj muaj peev xwm thaum kawg disconnect lub pa roj recirculation valve yam tsis muaj kev pheej hmoo. Txhawm rau ua qhov no, tshem tawm tag nrho cov hluav taws xob txuas ntawm lub valve. Qee lub tsheb muaj cov yeeb nkab coolant ncaj qha rau ntawm lub valve.

Yog hais tias qhov no yog qhov teeb meem rau koj lub tsheb, ces koj yuav tau hloov lub coolant. Siv cov pliers tshem tawm lub tes tsho hlau los ntawm lub raj xa tawm los ntawm qhov nkag. Thaum kawg, cov pa roj recirculation valve tuaj yeem raug tshem tawm.

Ua tib zoo tsis txhob tso cov gaskets, screws, ntxhua khaub ncaws, los yog txiv ntseej rau hauv lub cav, los yog nws yuav tawg rau lwm zaus koj pib.

Kauj Ruam 4. Sib dhos EGR valve.

Tom qab ntxuav, kho lossis hloov EGR valve, koj tuaj yeem rov ua lub EGR valve tshiab los ntawm kev ua raws li cov kauj ruam dhau los hauv kev txiav txim rov qab. Ceev faj thaum hloov gaskets kom ntseeg tau tias lub valve ua haujlwm zoo. Yog tias koj yuav tsum tau hloov lub coolant, nco ntsoov sau thiab xyuas cov qib. Reconnect tag nrho cov kev sib txuas uas koj tshem tawm.

Kauj Ruam 5: Kev lees paub ntawm kev cuam tshuam

Nyob rau theem no, kev pab ntawm ib tug kws kho tsheb yuav xav tau. Qhov tseeb, rau EGR valve kom ua haujlwm tau zoo, cov cuab yeej pabcuam kuaj mob yuav tsum tau siv rau ECM txhawm rau txheeb xyuas EGR valve kom raug. Hauv lwm lo lus, nws yuav tsum paub txoj haujlwm ntawm EGR valve (qhib lossis kaw) thiaj li tuaj yeem ua haujlwm tau raug. Qhov no accessory diagnostic tool excerpt yuav tsum tau! Txhawm rau ua qhov no, koj yuav tsum txuas lub cuab yeej mus rau qhov chaw kuaj mob ntawm koj lub tsheb. Thaum qhov kev sib txuas tau tsim, koj yuav tsum mus rau "Pib dua" lossis "Advanced Functions" ntawv qhia zaub mov nyob ntawm hom khoom siv tshuaj ntsuam xyuas siv. Tom qab ntawd ua raws li cov txheej txheem piav qhia ntawm lub tshuab. Tom qab ntawd mus rau Nyeem lossis Tshem Tawm Qhov yuam kev txhawm rau tshem tawm cov teeb meem uas tau teeb tsa. Ua ib qho kev sim tsav kom paub tseeb tias cov pa roj recirculation valve ua haujlwm zoo. Tom qab ntawd xyuas qhov teeb meem ntawm lub tshuab dua. Yog tias lub cuab yeej tsis muaj teeb meem, ces txhua yam nyob rau hauv kev txiav txim thiab koj EGR valve tau hloov lawm.