2008豐田維亞技術培訓previa engine2gr

1、1ContentsClick a Section Tab2發(fā)動機本體發(fā)動機特點配氣機構潤滑系統(tǒng)Fuel System燃油系統(tǒng)發(fā)動機控制系統(tǒng)3Engine Overall發(fā)動機本體2GR-FE 發(fā)動機EngineV6 (60-度), 3.5-升, 24-氣閥valve,帶雙 VVT-i, 雙ACIS和ETCS-i 的雙頂置凸輪軸發(fā)動機。-Q-V-_4Engine Overall發(fā)動機本體Features特性3 正時鏈Timing Chains長型火花塞Long-reach Type Spark Plug濾芯更換型機油濾清器Element Replacing Type Oil FilterMRE型

2、VVT傳感器。MRE Type VVT Sensor-Q-V-_5Engine Overall發(fā)動機本體Features雙VVT-iHydraulic Lash Adjuster液力挺柱旋轉電磁閥型ACIS閥凸輪室-Q-V-_6Engine Overall發(fā)動機本體Specification參數(shù)Model型號PREVIA(-Q, -V, Gen)AVALON(-V)CROWN(Gen)PRADO(-Q)Engine發(fā)動機2GR-FE3GR-FE1GR-FENo. of Cylinders and Arrangement缸數(shù)和排列6-缸,V-型Valve Mechanism配氣機構24-氣閥 D

3、OHC,正時鏈驅動,雙VVT-I24-氣閥 DOHC,正時鏈驅動,VVT-IDisplacement 排量 cm3 (cu. in.)3,456(210.9)2,994(182.7)3,956(241.4)Bore x Stroke缸徑X行程 mm (in.)94.0 x 83.0(3.70 x 3.27)87.5 x 83.0(3.44 x 3.27)94.0 x 95.0 (3.70 x 3.74)Compression Ratio壓縮比10.810.510.0Maximum Output最大功率kW rpm?209 6,200170 6,200179 5,200最大扭矩Nm rpm?35

4、2 4,700300 4,400376 3,800-Q-V-_待定7Engine Overall發(fā)動機本體與PRADO的1GR-FE的主要區(qū)別(對于 Q)Model型號PREVIAPRADO發(fā)動機Engine2GR-FE1GR-FE排量Displacement3,456 cm3 (210.9 cu. in.)3,956 cm3 (241.4 cu. in.)Cylinder Head缸蓋采用凸輪軸室-VVT-i雙 VVT-iVVT-i氣門間隙間隙調整器無墊片式氣門挺桿正時鏈怠輪With Rubber帶橡膠Without Rubber無橡膠Oil Filter機油濾清器濾芯更換型整體式Cartr

5、idge TypeACIS閥 Rotary Solenoid旋轉電磁閥型真空型Vacuum Type空氣進氣控制系統(tǒng)With有沒有燃油系統(tǒng)無回油管Return-less有回油管ReturnFuel pump燃油泵碳罐集成碳罐不集成Spark Plug火花塞銥金型Iridium Type傳統(tǒng)型Conventional Type發(fā)電機皮帶輪帶單向離合器with One-way Clutch常規(guī)型Normal Pulley充電控制有With沒有Cooling Fan冷卻風扇無級控制電子冷卻風扇Fan Coupling風扇耦合器Engine ECU發(fā)動機ECU在發(fā)動機倉在乘員倉內ECT ECU獨立 (

6、U660E)ECT ECU集成-Q8Engine Overall發(fā)動機本體與 AVALON的2GR-FE的主要區(qū)別(-V)Model型號PREVIAAVALON發(fā)動機Engine2GR-FE正時鏈怠輪With Rubber帶橡膠Without Rubber無橡膠燃油泵模塊碳罐集成碳罐不集成充電控制Charging control有With沒有WithoutEngine 發(fā)動機ECU在發(fā)動機倉Locates in cabin在乘員倉內ECT ECU 獨立 (U660E)ECT ECU 集成-V9Engine Overall發(fā)動機本體和皇冠的 3GR-FE的主要區(qū)別 (普通國家)Model型號PR

7、EVIACROWN發(fā)動機Engine2GR-FE3GR-FEDisplacement排量 3,456 cm3 (210.9 cu. in.)2,994 cm3 (182.7 cu. in.)Oil Filter機油濾清器Element Replacement Type濾芯更換型(帶排放塞)濾芯更換型(不帶排放塞)正時鏈怠輪With Rubber帶橡膠Without Rubber無橡膠空氣進氣控制系統(tǒng)有With沒有WithoutFuel Pump燃油泵碳罐集成碳罐不集成充電控制電池溫度傳感器和電流傳感器集成Battery temp. sensor is integrated to current

8、 sensor電池溫度傳感器附于電池。發(fā)動機ECU在發(fā)動機倉在乘員倉內ECT ECU 獨立 (U660E)ECT ECU 集成-_10Engine Proper發(fā)動機本體Cylinder Head缸蓋采用凸輪軸室令缸蓋結構簡化進氣和排氣凸輪軸軸承蓋一體式凸輪室蓋凸輪室蓋墊凸輪軸軸承蓋凸輪軸室缸蓋氣缸墊進氣和排氣凸輪軸軸承蓋一體-Q-V-_11Service Point 維修要點(發(fā)動機本體Engine Proper)Cylinder Head缸蓋凸輪軸和凸輪軸室安裝12345678左側步驟1:暫時擰緊 (扭矩: 10Nm 102kgfcm): 擰緊次序Tightening orderX-Q-V

9、-_12Service Point 維修要點(發(fā)動機本體Engine Proper)Cylinder Head缸蓋凸輪軸和凸輪軸室安裝132456879101112左側步驟2:擰緊Tighten (扭矩Torque: 28Nm 286kgfcm): Tightening order擰緊次序X-Q-V-_13Service Point 維修要點(發(fā)動機本體Engine Proper)Cylinder Head缸蓋凸輪軸和凸輪軸室安裝左側LH Bank步驟3:擰緊Tighten (扭矩: 16Nm 163kgfcm):擰緊次序X12345678-Q-V-_14Valve Mechanism配氣機構

10、液壓間隙調整器通過油壓和彈簧力保持零氣門間隙。Plunger柱塞油路單向閥彈簧單向閥球柱塞彈簧低壓腔高壓腔零氣門間隙油路-Q-V-_15Valve Mechanism配氣機構Hydraulic Lash Adjuster液壓間隙調整器凸輪升程開始時，柱塞受壓并且高壓腔內的油被保留High Pressure Chamber高壓腔Plunger柱塞-Q-V-_16Valve Mechanism配氣機構Hydraulic Lash Adjuster液壓間隙調整器于是通過液壓間隙調整器作為一個支點推動氣門。High Pressure Chamber高壓腔Fixed固定Plunger柱塞支點Fulcru

11、m-Q-V-_17Valve Mechanism配氣機構Hydraulic Lash Adjuster液壓間隙調整器Plunger pushes back, check valve is opened and fills up oil柱塞回推，單向閥打開并充油高壓腔外殼體單向閥球柱塞Plunger-Q-V-_18Valve Mechanism配氣機構Hydraulic Lash Adjuster液壓間隙調整器Plunger is pushed up, then, valve clearance is maintained at zero柱塞被推上，于是氣門間隙保持為零。零氣門間隙Zero Va

12、lve Clearance柱塞彈簧柱塞Plunger-Q-V-_19Valve Mechanism配氣機構Hydraulic Lash Adjuster液壓間隙調整器Operation動作-Q-V-_20維修要點 (配氣機構)Hydraulic Lash Adjuster液壓間隙調整器Engine oil changing procedure發(fā)動機機油更換步驟。Pushing check ball down by using SST用SST把單向閥球向下推液壓間隙調整器SST: 09276-75010Correct正確Incorrect錯誤SST-Q-V-_21維修要點 (配氣機構)Hydra

13、ulic Lash Adjuster液壓間隙調整器Engine oil changing procedure機油更換步驟2. Immerse hydraulic lash adjuster in clean engine oil, then compress and return the plunger with SST 5 to 6 times把液壓間隙調整器浸在機油里，然后用SST擠壓和放松柱塞5-6次。清潔的機油-Q-V-_22維修要點 (配氣機構)Hydraulic Lash Adjuster液壓間隙調整器Engine oil changing procedure機油更換步驟3. Pr

14、ess the plunger by finger and check the blockage of plunger用手指壓柱塞并檢查柱塞不能被按下。-Q-V-_23維修要點 (配氣機構)Hydraulic Lash Adjuster液壓間隙調整器Engine oil changing procedure機油更換步驟If plunger is compressed after 3 times trial, replace to new one如果3次后柱塞還能被壓下，更換新的。-Q-V-_24Valve Mechanism配氣機構惰輪采用橡膠來降低噪音。惰輪橡膠Rubber-Q-V-_25維

15、修要點 (配氣機構)Installation of Timing Chain正時鏈安裝當惰輪重復使用時，為了主鏈條的張緊，把鏈片對準印記-Q-V-_印記Mark惰輪 (Reuse重復使用)26Lubrication System潤滑系統(tǒng)Oil Filter機油濾清器Element replacement type oil filter濾芯更換型機油濾清器機油濾清器蓋機油濾芯1號油盤Front前機油濾清器放油螺栓-Q-V-_27Service Point 維修要點(潤滑系統(tǒng)Lubrication System)Oil Filter機油濾清器Replace oil filter更換機油濾清器Rem

16、oval拆卸2.拆下排放螺栓，插入排放管排放機油拆卸機油濾清器1.連接一條軟管到排放管軟管HoseDrain Pipe排放管排放螺栓O型環(huán)排放管閥Valve油流-Q-V-_28Service Point 維修要點(潤滑系統(tǒng)Lubrication System)Oil Filter機油濾清器Replace engine oil and oil filter更換機油和機油濾芯Removal拆卸4. Remove oil filter cap拆卸機油濾清器蓋3. Remove drain pipe and O-ring拆下排放管，拆下O型圈O型圈SST:09228-06501-Q-V-_29Serv

17、ice Point 維修要點(潤滑系統(tǒng)Lubrication System)Oil Filter機油濾清器更換機油和機油濾芯Removal拆卸/安裝 Installation5. Remove filter element and O-ring from filter cap從濾清器蓋拆下濾芯和O型圈1. Set new filter element and O-ring to filter cap安裝新的濾芯和O型圈New新安裝新的濾芯O型圈New新-Q-V-_30Service Point 維修要點(潤滑系統(tǒng)Lubrication System)更換機油和機油濾芯安裝 Installati

18、on2. Install filter cap using SST用SST安裝濾清器蓋3.安裝新的O型圈并扭緊排放螺栓Set the new O-ring and install drain plugSST:09228-06501O-型圈 (新)排放螺栓-Q-V-_31Service Point 維修要點(潤滑系統(tǒng)Lubrication System)機油濾清器Oil Filter更換機油和機油濾芯安裝 Installation5.運行發(fā)動機并檢查濾清器蓋和油底殼間沒有泄漏No Leakage4. Refill engine oil加注機油-Q-V-_32Fuel System燃油系統(tǒng)Fuel Pump Module燃油泵模塊Charcoal canister is integrated in fuel pump module碳罐集成在燃油泵模塊中。-Q-V-_Charcoal Canister碳罐Fuel Pump燃油泵Fuel Pump Mo