一、車輛情況：維修時間：2019年12月4日，客戶：梅州蔡先生，車型：日產(chǎn)軒逸，變速箱：CVT無級變速箱，行駛里程：15萬公里。
1、 Vehicle condition: maintenance time: December 4, 2019, customer: Mr. Cai, Meizhou, model: Nissan Xuanyi, transmission: CVT continuously variable transmission, mileage: 150000km.
二、故障現(xiàn)象：入D檔、2檔換3檔、3檔換4檔時都有明顯的沖擊感。
2、 Fault phenomenon: there is an obvious impact feeling when entering gear d, changing from gear 2 to gear 3, and changing from gear 3 to gear 4.
三、變速箱故障：師傅經(jīng)過試車和檢查，初步判斷是閥體滑閥卡滯，電磁閥工作不良，離合器泄壓或間隙不正常。
3、 Transmission failure: after test run and inspection, the master preliminarily judged that the valve body slide valve was stuck, the solenoid valve worked poorly, and the clutch pressure relief or clearance was abnormal.
四、變速箱維修：
4、 Transmission maintenance:
1、此車故障燈亮，用儀器讀取故障碼，變速箱控制單元故障：變矩器渦輪速度信號電路故障；更換了輸入傳感器，并檢查線束后，試車故障依舊。
1. The fault light of the vehicle is on, the fault code is read with the instrument, the transmission control unit is faulty: the speed signal circuit of the torque converter turbine is faulty; After replacing the input sensor and checking the harness, the test run fault remains.
2、放出少許波箱油，有點兒糊味。抬下波箱，全部分解后，發(fā)現(xiàn)問題：膠圈老化、離合器油環(huán)位磨出臺階、摩擦片燒蝕、個別滑閥卡滯。
2. Release a little wave tank oil, a little paste smell. After lifting down the wave box and completely decomposing, problems are found: rubber ring aging, worn steps of clutch oil ring, friction plate ablation, and individual slide valves are stuck.
3、更換小修包，摩擦片，離合器古等配件后，徹底清洗閥體，反復測試電磁閥，測量各組摩擦片間隙，均在標準值內(nèi)。復裝試車，故障排除。
3. After replacing the minor repair kit, friction plate, clutch and other accessories, thoroughly clean the valve body, repeatedly test the solenoid valve, and measure the clearance of each group of friction plate, which are within the standard value. Reassembly and commissioning, troubleshooting.
