2008丰田维亚技术培训previa engine2gr

1、1ContentsClick a Section Tab2发动机本体发动机特点配气机构润滑系统Fuel System燃油系统发动机控制系统3Engine Overall发动机本体2GR-FE 发动机EngineV6 (60-度), 3.5-升, 24-气阀valve,带双 VVT-i, 双ACIS和ETCS-i 的双顶置凸轮轴发动机。-Q-V-_4Engine Overall发动机本体Features特性3 正时链Timing Chains长型火花塞Long-reach Type Spark Plug滤芯更换型机油滤清器Element Replacing Type Oil FilterMRE型

2、VVT传感器。MRE Type VVT Sensor-Q-V-_5Engine Overall发动机本体Features双VVT-iHydraulic Lash Adjuster液力挺柱旋转电磁阀型ACIS阀凸轮室-Q-V-_6Engine Overall发动机本体Specification参数Model型号PREVIA(-Q, -V, Gen)AVALON(-V)CROWN(Gen)PRADO(-Q)Engine发动机2GR-FE3GR-FE1GR-FENo. of Cylinders and Arrangement缸数和排列6-缸,V-型Valve Mechanism配气机构24-气阀 D

3、OHC,正时链驱动,双VVT-I24-气阀 DOHC,正时链驱动,VVT-IDisplacement 排量 cm3 (cu. in.)3,456(210.9)2,994(182.7)3,956(241.4)Bore x Stroke缸径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压缩比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发动机本体与PRADO的1GR-FE的主要区别(对于 Q)Model型号PREVIAPRADO发动机Engine2GR-FE1GR-FE排量Displacement3,456 cm3 (210.9 cu. in.)3,956 cm3 (241.4 cu. in.)Cylinder Head缸盖采用凸轮轴室-VVT-i双 VVT-iVVT-i气门间隙间隙调整器无垫片式气门挺杆正时链怠轮With Rubber带橡胶Without Rubber无橡胶Oil Filter机油滤清器滤芯更换型整体式Cartr

5、idge TypeACIS阀 Rotary Solenoid旋转电磁阀型真空型Vacuum Type空气进气控制系统With有没有燃油系统无回油管Return-less有回油管ReturnFuel pump燃油泵碳罐集成碳罐不集成Spark Plug火花塞铱金型Iridium Type传统型Conventional Type发电机皮带轮带单向离合器with One-way Clutch常规型Normal Pulley充电控制有With没有Cooling Fan冷却风扇无级控制电子冷却风扇Fan Coupling风扇耦合器Engine ECU发动机ECU在发动机仓在乘员仓内ECT ECU独立 (

6、U660E)ECT ECU集成-Q8Engine Overall发动机本体与 AVALON的2GR-FE的主要区别(-V)Model型号PREVIAAVALON发动机Engine2GR-FE正时链怠轮With Rubber带橡胶Without Rubber无橡胶燃油泵模块碳罐集成碳罐不集成充电控制Charging control有With没有WithoutEngine 发动机ECU在发动机仓Locates in cabin在乘员仓内ECT ECU 独立 (U660E)ECT ECU 集成-V9Engine Overall发动机本体和皇冠的 3GR-FE的主要区别 (普通国家)Model型号PR

7、EVIACROWN发动机Engine2GR-FE3GR-FEDisplacement排量 3,456 cm3 (210.9 cu. in.)2,994 cm3 (182.7 cu. in.)Oil Filter机油滤清器Element Replacement Type滤芯更换型(带排放塞)滤芯更换型(不带排放塞)正时链怠轮With Rubber带橡胶Without Rubber无橡胶空气进气控制系统有With没有WithoutFuel Pump燃油泵碳罐集成碳罐不集成充电控制电池温度传感器和电流传感器集成Battery temp. sensor is integrated to current

8、 sensor电池温度传感器附于电池。发动机ECU在发动机仓在乘员仓内ECT ECU 独立 (U660E)ECT ECU 集成-_10Engine Proper发动机本体Cylinder Head缸盖采用凸轮轴室令缸盖结构简化进气和排气凸轮轴轴承盖一体式凸轮室盖凸轮室盖垫凸轮轴轴承盖凸轮轴室缸盖气缸垫进气和排气凸轮轴轴承盖一体-Q-V-_11Service Point 维修要点(发动机本体Engine Proper)Cylinder Head缸盖凸轮轴和凸轮轴室安装12345678左侧步骤1:暂时拧紧 (扭矩: 10Nm 102kgfcm): 拧紧次序Tightening orderX-Q-V

9、-_12Service Point 维修要点(发动机本体Engine Proper)Cylinder Head缸盖凸轮轴和凸轮轴室安装132456879101112左侧步骤2:拧紧Tighten (扭矩Torque: 28Nm 286kgfcm): Tightening order拧紧次序X-Q-V-_13Service Point 维修要点(发动机本体Engine Proper)Cylinder Head缸盖凸轮轴和凸轮轴室安装左侧LH Bank步骤3:拧紧Tighten (扭矩: 16Nm 163kgfcm):拧紧次序X12345678-Q-V-_14Valve Mechanism配气机构

10、液压间隙调整器通过油压和弹簧力保持零气门间隙。Plunger柱塞油路单向阀弹簧单向阀球柱塞弹簧低压腔高压腔零气门间隙油路-Q-V-_15Valve Mechanism配气机构Hydraulic Lash Adjuster液压间隙调整器凸轮升程开始时，柱塞受压并且高压腔内的油被保留High Pressure Chamber高压腔Plunger柱塞-Q-V-_16Valve Mechanism配气机构Hydraulic Lash Adjuster液压间隙调整器于是通过液压间隙调整器作为一个支点推动气门。High Pressure Chamber高压腔Fixed固定Plunger柱塞支点Fulcru

11、m-Q-V-_17Valve Mechanism配气机构Hydraulic Lash Adjuster液压间隙调整器Plunger pushes back, check valve is opened and fills up oil柱塞回推，单向阀打开并充油高压腔外壳体单向阀球柱塞Plunger-Q-V-_18Valve Mechanism配气机构Hydraulic Lash Adjuster液压间隙调整器Plunger is pushed up, then, valve clearance is maintained at zero柱塞被推上，于是气门间隙保持为零。零气门间隙Zero Va

12、lve Clearance柱塞弹簧柱塞Plunger-Q-V-_19Valve Mechanism配气机构Hydraulic Lash Adjuster液压间隙调整器Operation动作-Q-V-_20维修要点 (配气机构)Hydraulic Lash Adjuster液压间隙调整器Engine oil changing procedure发动机机油更换步骤。Pushing check ball down by using SST用SST把单向阀球向下推液压间隙调整器SST: 09276-75010Correct正确Incorrect错误SST-Q-V-_21维修要点 (配气机构)Hydra

13、ulic Lash Adjuster液压间隙调整器Engine oil changing procedure机油更换步骤2. Immerse hydraulic lash adjuster in clean engine oil, then compress and return the plunger with SST 5 to 6 times把液压间隙调整器浸在机油里，然后用SST挤压和放松柱塞5-6次。清洁的机油-Q-V-_22维修要点 (配气机构)Hydraulic Lash Adjuster液压间隙调整器Engine oil changing procedure机油更换步骤3. Pr

14、ess the plunger by finger and check the blockage of plunger用手指压柱塞并检查柱塞不能被按下。-Q-V-_23维修要点 (配气机构)Hydraulic Lash Adjuster液压间隙调整器Engine oil changing procedure机油更换步骤If plunger is compressed after 3 times trial, replace to new one如果3次后柱塞还能被压下，更换新的。-Q-V-_24Valve Mechanism配气机构惰轮采用橡胶来降低噪音。惰轮橡胶Rubber-Q-V-_25维

15、修要点 (配气机构)Installation of Timing Chain正时链安装当惰轮重复使用时，为了主链条的张紧，把链片对准印记-Q-V-_印记Mark惰轮 (Reuse重复使用)26Lubrication System润滑系统Oil Filter机油滤清器Element replacement type oil filter滤芯更换型机油滤清器机油滤清器盖机油滤芯1号油盘Front前机油滤清器放油螺栓-Q-V-_27Service Point 维修要点(润滑系统Lubrication System)Oil Filter机油滤清器Replace oil filter更换机油滤清器Rem

16、oval拆卸2.拆下排放螺栓，插入排放管排放机油拆卸机油滤清器1.连接一条软管到排放管软管HoseDrain Pipe排放管排放螺栓O型环排放管阀Valve油流-Q-V-_28Service Point 维修要点(润滑系统Lubrication System)Oil Filter机油滤清器Replace engine oil and oil filter更换机油和机油滤芯Removal拆卸4. Remove oil filter cap拆卸机油滤清器盖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 维修要点(润滑系统Lubrication System)Oil Filter机油滤清器更换机油和机油滤芯Removal拆卸/安装 Installation5. Remove filter element and O-ring from filter cap从滤清器盖拆下滤芯和O型圈1. Set new filter element and O-ring to filter cap安装新的滤芯和O型圈New新安装新的滤芯O型圈New新-Q-V-_30Service Point 维修要点(润滑系统Lubrication System)更换机油和机油滤芯安装 Installati

18、on2. Install filter cap using SST用SST安装滤清器盖3.安装新的O型圈并扭紧排放螺栓Set the new O-ring and install drain plugSST:09228-06501O-型圈 (新)排放螺栓-Q-V-_31Service Point 维修要点(润滑系统Lubrication System)机油滤清器Oil Filter更换机油和机油滤芯安装 Installation5.运行发动机并检查滤清器盖和油底壳间没有泄漏No Leakage4. Refill engine oil加注机油-Q-V-_32Fuel System燃油系统Fuel Pump Module燃油泵模块Charcoal canister is integrated in fuel pump module碳罐集成在燃油泵模块中。-Q-V-_Charcoal Canister碳罐Fuel Pump燃油泵Fuel Pump Mo