БЛОК ДВИГАТЕЛЯ


  1. OUTLINE


    1. The 5ZR-FXE engine is an in-line, 4-cylinder, 1.8-liter, 16-valve DOHC engine.

    2. This engine uses a high-expansion ratio Atkinson cycle, Variable Valve Timing-intelligent (VVT-i) system, Direct Ignition System (DIS) and Electronic Throttle Control System-intelligent (ETCS-i). In addition, use of an electric water pump has enhanced warm-up performance and reduced cooling losses. Thus, improved engine performance, quietness, fuel economy, and cleaner emissions have been achieved.

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  2. SPECIFICATION


    1. The specifications of the 5ZR-FXE engine are shown in the following table.

      Engine Type 5ZR-FXE
      No. of Cyls. and Arrangement 4-cylinder, In-line
      Valve Mechanism 16-valve DOHC, Chain Drive (with VVT-i)
      Combustion Chamber Pentroof Type
      Flow of Intake and Exhaust Gasses Cross-flow
      Fuel System SFI
      Ignition System DIS
      Displacement

      1798 cm3(109.7 cu. in.)
      Bore x Stroke 80.5 mm X 88.3 mm (3.17 in. X 3.48 in.)
      Compression Ratio 13.0:1
      Max. Output (EEC) 73 kW@5200 rpm
      Max. Torque (EEC) 142 N*m@2800 to 4400 rpm
      Valve Timing Intake Open 29°BTDC to 12°ATDC
      Close 61°ABDC to 102°ABDC
      Exhaust Open 31° BBDC
      Close 3° ATDC
      Oil Capacity Dry 4.7 liters (5.0 US qts, 4.1 Imp. qts)
      With Oil Filter 4.2 liters (4.4 US qts, 3.7 Imp. qts)
      Without Oil Filter 3.9 liters (4.1 US qts, 3.4 Imp. qts)
      Oil Grade API grade SL "Energy-Conserving", SM "Energy-Conserving", SN "Energy-Conserving" or ILSAC Multigrade Engine Oil
      Engine Coolant Type TOYOTA Genuine Super Long Life Coolant or the following*1
      Capacity With exhaust heat recirculation system 6.9 liters (7.3 US qts, 6.1 Imp. qts)
      Without exhaust heat recirculation system 6.5 liters (6.9 US qts, 5.7 Imp. qts)
      Spark Plug Type DENSO Made SC20HR11 (Iridium)
      Plug Gap 1.0 mm to 1.1 mm (0.0394 in. to 0.0433 in.)
      Firing Order 1 - 3 - 4 - 2
      Fuel Unleaded Gasoline
      Research Octane Number 93 or higher
      Emission Regulation EURO V
      Engine Service Mass*2 (Reference) 90 kg (198 lb)

      *1: Similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology (Coolant with long-life hybrid organic acid technology is a combination of low phosphates and organic acids).

      *2: The figure shown is the weight of the engine with coolant and oil.

    2. The performance curves of the 5ZR-FXE engine are shown in the following graph.

      B0022AOE07

  3. MAIN FEATURES


    1. The 5ZR-FXE engine has achieved the following performance through the use of the items listed in the table below.


      1. High performance and reliability

      2. Low noise and vibration

      3. Lightweight and compact design

      4. Good serviceability

      5. Clean emissions and fuel economy

        Item (1) (2) (3) (4) (5)
        The high-expansion ratio Atkinson cycle is adopted. ○
        Engine Proper An aluminum cylinder block sub-assembly is used. ○
        An offset crankshaft is used. ○ ○ ○
        Spiny type liners are used. ○
        The taper squish shape is used for the top of the pistons. ○ ○
        The skirt portion of the piston has a resin coating applied to reduce friction. ○ ○ ○
        Low-tension piston rings are used. ○ ○
        Valve Mechanism A timing chain sub-assembly and chain tensioner assembly are used. ○ ○
        Hydraulic valve lash adjuster assembles are used. ○ ○
        Roller No. 1 valve rocker arms are used. ○ ○
        The Variable Valve Timing-intelligent (VVT-i) system is used. ○ ○
        Intake and Exhaust System A plastic intake manifold is used. ○
        A cable-less type throttle body is used. ○ ○
        A stainless steel exhaust manifold is used. ○
        Three-Way Catalytic converters (TWCs) are used. ○
        A 2-way exhaust control system is used. ○ ○
        Fuel System 12-hole type fuel injectors are used. ○ ○
        A fuel returnless system is used. ○ ○
        Quick connectors are used to connect the fuel hoses and fuel pipes. ○
        Cooling System An electric engine water pump assembly is used. ○
        Ignition System A Direct Ignition System (DIS) is used. ○ ○ ○
        Long-reach type iridium-tipped spark plugs are used. ○ ○ ○
        Engine Control System The Electronic Throttle Control System-intelligent (ETCS-i) is used. ○ ○
        A Magneto-Resistance Element (MRE) type cam position sensor is used. ○
        A flat type knock control sensor is used. ○