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1、Model Outline2TR-FE EngineChassisBodyBody Electrical 发动机概述 Engine Proper 机械机构 冷却系统 进气排放系统 燃油系统 点火系统 皮带系统 发动机控制系统Model Outline2TR-FE EngineChassisBodyBody Electrical 发动机概要n2TR-FE 发动机 L4, 2.7-升, 16-气门, DOHC 发动机 带有VVT-i, DIS 和 ETCS-i基本结构和功能与 HILUX (IMV) 2TR-FE一致Model Outline2TR-FE EngineChassisBodyBody
2、 Electricaln概览树脂质气门室盖平板式爆震传 感器长嘴喷油嘴 12-孔 (无铅汽油) 4-孔 (有铅汽油)非接触式节气门 传感器TOYOTA 纯牌超级 LLC片断导体式发电机树脂质进气歧管DIS 和 长电极火花塞不锈钢排气歧管VVT-i 系统PS 起动机发动机概要Model Outline2TR-FE EngineChassisBodyBody Electricaln规格发动机2TR-FE (无铅/有铅)2TR-FE (无铅/有铅)2RZ-FE (无铅)车型新 HIACEHILUX (IMV)现有的 HIACE气缸数缸直列气门机构16气门, DOHC带 VVT-i, 链条驱动8气门
3、OHC, 链条驱动燃烧室多球面楔形喷射系统DIS分配式排量 cm3 (cu. in.)2,694 (164.4)2,438 (148.8)缸径*冲程 mm (in.)95.0 x 95.0 (3.74 x 3.74)95.0 x 86.0 (3.74 x 3.39)压缩比9.6 : 18.8 : 1最大功率 SAE-NET kW / rpm120 / 5,200117 / 5,20085 / 4600最大扭矩 SAE-NET Nm / rpm246 / 3,800242 / 3,800203 / 2400 - 3600辛烷值91 以上机油黏度 / 等级5W-30 / API SL, SJ, E
4、C 或 ILSAC发动机概要Model Outline2TR-FE EngineChassisBodyBody Electricaln与 HILUX (IMV) 2TR-FE的主要区别2TR-FE (HIACE)2TR-FE (HILUXIMV)冷却系统全压式通气式发电机皮带轮带有单项离合器普通式风扇控制无级控制耦合器水温传感器2 (发动机和水箱)1 (发动机)发动机概要Model Outline2TR-FE EngineChassisBodyBody Electricaln识别信息 发动机号码被打在发动机左下沿发动机概要Model Outline2TR-FE EngineChassisBod
5、yBody Electrical Engine Propern气门室盖 减低了机油消耗量和窜缸混和气，减低重量和噪音。树脂丙烯酸橡胶阻油盘新鲜 空气到进气歧管Model Outline2TR-FE EngineChassisBodyBody Electrical Engine Propern气缸盖 铝合金铝合金三层钢质22.85锥形挤气面液压气门顶Model Outline2TR-FE EngineChassisBodyBody Electrical Engine Propern气缸体 铸铁, 增加强度和减低震动及噪音。铝合金铸铁钢Model Outline2TR-FE EngineChass
6、isBodyBody Electrical Engine Propern气缸体 内置两根平衡轴以减低震动平衡轴链轮 曲轴链轮平衡轴驱动齿轮顶链器平衡轴平衡轴从动齿轮Model Outline2TR-FE EngineChassisBodyBody Electrical Engine Propern活塞 铝合金, 使用低张力活塞环挤气锥面树脂涂层头道环槽有耐热处理低张力活塞环2 片式油环镀铬PVD 喷涂PVD: 物理气相沉积Model Outline2TR-FE EngineChassisBodyBody Electrical Engine Propern主轴承 取消了定位榫卯 微槽表面下轴承上
7、轴承微槽Model Outline2TR-FE EngineChassisBodyBody Electrical 维修要点 (Engine Proper)n安装头道环 如图定位头道环向前标记No. 1油环涨簧45No. 2Model Outline2TR-FE EngineChassisBodyBody Electricaln安装主轴承 轴瓦必须定位在轴承座中心且对准油孔油孔上瓦 OKNG中心 油孔维修要点 (Engine Proper)Model Outline2TR-FE EngineChassisBodyBody Electricaln安装主轴承下瓦 用游标卡尺确认对中游标卡尺BCB-C
8、 0.3 mm (0.012 in.)维修要点 (Engine Proper)Model Outline2TR-FE EngineChassisBodyBody Electricaln安装主轴承 参考值分类上瓦下瓦尺寸 “A” mm (in.)尺寸 “B” 或 “C” mm (in.)#1, 53.75 (0.1476 ) 0.1 (0.004)3.83 (0.1508) 0.1 (0.004)#31.75 (0.0689 in.) 0.1 (0.004)1.74 (0.0689) 0.1 (0.004)#2, 42.75 (0.0183) 0.1 (0.004)2.75 (0.0183) 0
9、.1 (0.004)AA游标卡尺BC维修要点 (Engine Proper)Model Outline2TR-FE EngineChassisBodyBody Electricaln曲轴皮带轮禁锢螺栓 曲轴皮带轮紧固螺栓不可重复利用曲轴皮带轮紧固螺栓维修要点 (Engine Proper)Model Outline2TR-FE EngineChassisBodyBody Electricaln平衡轴 区分左右轴平衡轴 (RH)平衡轴 (LH)平衡轴 (RH)缩窄平衡轴 (LH)维修要点 (Engine Proper)Model Outline2TR-FE EngineChassisBodyBo
10、dy Electricaln驱动链条 (平衡轴用) 对正链条和链轮上的正时标记曲轴t: No1. TDC黄色喷涂黄色喷 漆正时标 记黄色喷漆 (2 块)正时标记正时标记 (小)正时标记 (大)维修要点 (Engine Proper)Model Outline2TR-FE EngineChassisBodyBody Electrical 气门机构n概览 摇臂，液压挺杆 VVT-i 系统链条进气排气供油管 (凸轮轴和摇臂轴)VVT-i 控制器摇臂液压气门顶Model Outline2TR-FE EngineChassisBodyBody Electricaln摇臂 摇臂内置滚针轴承减低摩擦和燃油消
11、耗摇臂供油管滚针轴承摇臂气门机构Model Outline2TR-FE EngineChassisBodyBody ElectricalnHydraulic Lash Adjuster Maintaining a constant zero valve clearance through use of oil pressure and spring forcePlungerOil PassageCheck Ball SpringCheck BallPlunger SpringLow Pressure ChamberHigh Pressure ChamberZero Valve Clearanc
12、eOil Passage气门机构Model Outline2TR-FE EngineChassisBodyBody Electrical Reference (Valve Mechanism)nRoller Rocker Arm and Hydraulic Lash AdjusterOil PassageOil PassageModel Outline2TR-FE EngineChassisBodyBody ElectricalnHydraulic Lash Adjuster Start cam lift, plunger is pressed and oil in high pressure
13、 chamber is keptHigh Pressure ChamberPlunger气门机构Model Outline2TR-FE EngineChassisBodyBody ElectricalnHydraulic Lash Adjuster Then the rocker arm pushes the valve by using hydraulic lash adjuster as a fulcrumHigh Pressure ChamberFixedPlungerFulcrum气门机构Model Outline2TR-FE EngineChassisBodyBody Electri
14、calHigh Pressure ChamberBodynHydraulic Lash Adjuster Plunger pushes back, check valve is opened and fills up with oilCheck BallPlunger气门机构Model Outline2TR-FE EngineChassisBodyBody ElectricalnHydraulic Lash Adjuster Plunger is pushed up, then, valve clearance is maintained at zeroZero Valve Clearance
15、Plunger SpringPlunger气门机构Model Outline2TR-FE EngineChassisBodyBody ElectricalnHydraulic Lash Adjuster Operation气门机构Model Outline2TR-FE EngineChassisBodyBody ElectricalnHydraulic Lash Adjuster Engine oil changing procedure 1. Pushing check ball down by using SSTHydraulic Lash AdjusterSST: 09276-75010
16、CorrectIncorrectSST气门机构Model Outline2TR-FE EngineChassisBodyBody ElectricalnHydraulic Lash Adjuster Engine oil changing procedure 2. Immerse hydraulic lash adjuster in clean engine oil, then compress and return the plunger with SST 5 to 6 timesClean Engine Oil气门机构Model Outline2TR-FE EngineChassisBodyBody Electrical Service Point (Valve Mechanism)nHydraulic
