Contents Wiring diagrams Section: Engine Mechanical: Removal & Installation All sections

INSTALLATION Nissan Quest III

Engine Mechanical: Removal & Installation 54 illustrations ~3121 words

INSTALLATION

  1. Installation is in the reverse order of removal. CAUTION: Make sure belts are correctly engaged with the pulley groove. Clean off any for oil and coolant on belts and each pulley groove.
  2. Adjust belt tension. Refer to " «TENSION ADJUSTMENT»(ref-239942-S42054865852006080400000) ".

Scheme 31

Scheme 31: Removal and Installation
  1. Remove the fresh air duct.
  2. Disconnect the harness connector from the mass air flow sensor.
  3. Disconnect the tube clamp at the electric throttle control actuator.
  4. Disconnect the PCV hose.
  5. Remove air cleaner to electric throttle control actuator tube, air cleaner case (upper) with the mass air flow sensor attached.
  6. Remove mass air flow sensor from air cleaner case (upper), as necessary. CAUTION: Handle mass air flow sensor with care. Do not shock it. Do not disassemble it. Do not touch its sensor.
  7. Remove the air cleaner case (lower).
  8. Remove resonator in the fender, lifting left fender protector, as necessary.

Installation is in the reverse order of removal.

WARNINGTo avoid the danger of being scalded, never drain the coolant when the engine is hot. The gasket for intake manifold collector (upper) is secured together with intake manifold collector (lower) bolt. Thus, when replacing only the upper gasket the lower gasket must also be replaced.

Scheme 32

Scheme 32

Scheme 33

Scheme 33

Scheme 34

Scheme 34

Scheme 35

Scheme 35

Scheme 36

Scheme 36
  1. Remove the cowl top and cowl top extension. Refer to " «REMOVAL AND INSTALLATION»(ref-239945-S24732396862006080300000) ".
  2. Remove the engine cover using power tool.
  3. Remove air cleaner case, (upper) mass air flow sensor, and air cleaner to electric throttle control actuator tube as an assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-239942-S12459786952006080400000) ".
  4. Partially drain the coolant when the engine is cool. Refer to " «DRAINING ENGINE COOLANT»(ref-239944-S37417993932006080300000) ".
  5. Disconnect the following: Power brake booster vacuum hose Coolant hoses from the intake manifold collector (upper) Vacuum lines from the intake manifold collector (lower) and power valve Fuel injector electrical connectors PCV hose Electric throttle control actuator electrical connectors EVAP canister purge hose EGR temperature sensor electrical connector CAUTION: Cover any engine openings to avoid the entry of any foreign material.
  6. Remove the EGR tube (to intake manifold collector, lower) nuts.
  7. Disconnect the power steering hose bracket from the back of the intake manifold collector (upper).
  8. Remove the EVAP canister purge volume solenoid valve bracket bolt. Position the valve aside.
  9. Remove the VIAS control solenoid valve bracket bolt. Position the valve aside.
  10. Remove the vacuum tank.
  11. Remove the intake manifold collector (upper) support bracket from the back of the intake manifold collector (upper) using power tool.
  12. Loosen the intake manifold collector (lower) bolts in the order as shown using power tool, and remove the intake manifold collector (upper and lower) and gasket.
  13. If necessary, remove the electric throttle control actuator bolts in the order as shown and remove the electric throttle control actuator. CAUTION: Handle carefully to avoid any shock to the electric throttle control actuator. Do not disassemble.
  14. If necessary, remove the intake manifold collector (upper) bolts in the order as shown, using power tool and remove the intake manifold collector (upper). CAUTION: Handle carefully to avoid any shock to the electric throttle control actuator, if installed.
  15. If necessary, remove power valve bolts in the order as shown and remove the power valve.
  16. If necessary remove the following components: Vacuum tank VIAS control solenoid valve EVAP canister purge volume control solenoid valve

Scheme 37

Scheme 37: Surface Distortion
  1. Using straightedge and feeler gauge, inspect the surface distortion of intake manifold collector (lower). Limit : 0.1 mm (0.004 in)
  2. If it exceeds the limit, replace the intake manifold collector (lower).

Installation is in the reverse order of removal.

Note. After installation, it is necessary to re-calibrate the electric throttle control actuator as follows

Scheme 38

Scheme 38: INSTALLATION

Scheme 39

Scheme 39

Scheme 40

Scheme 40

Scheme 41

Scheme 41
  1. Perform the "Throttle Valve Closed Position Learning" when harness connector of the electric throttle control actuator is disconnected. Refer to " «THROTTLE VALVE CLOSED POSITION LEARNING»(ref-239940-S03519334192006080300000) ".
  2. Perform the "Idle Air Volume Learning" when the electric throttle control actuator is replaced. Refer to " «IDLE AIR VOLUME LEARNING»(ref-239940-S09974972482006080300000) ". If necessary, install power valve bolts in the order as shown. Power valve bolts : 19.6 N.m (2.0 kg-m, 14 ft-lb) If necessary, tighten the intake manifold collector (upper) bolts in the order as shown. Intake manifold collector (upper) bolts : 19.6 N.m (2.0 kg-m, 14 ft-lb) If necessary, install the electric throttle control actuator bolts in the order as shown. Install gasket with three protrusions facing down. Electric throttle control actuator bolts : 8.4 N.m (0.86 kg-m, 74 in-lb) Install the intake manifold collector (lower) bolts in the order as shown. Intake manifold collector (lower) bolts : 19.6 N.m (2.0 kg-m, 14 ft-lb)

Scheme 42

Scheme 42: Removal and Installation

Scheme 43

Scheme 43: REMOVAL
  1. Remove the engine cover using power tool.
  2. Remove air cleaner case (upper), mass air flow sensor, and air cleaner to electric throttle control actuator tube as an assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-239942-S12459786952006080400000) ".
  3. Partially drain the coolant when the engine is cool. Refer to " «DRAINING ENGINE COOLANT»(ref-239944-S37417993932006080300000) ". CAUTION: Cover any engine openings to avoid the entry of any foreign material.
  4. Disconnect the EGR temperature sensor electrical connector and bracket.
  5. If necessary, remove the EGR temperature sensor.
  6. Disconnect the EGR volume control valve electrical connector.
  7. Remove the EGR tube (to lower intake manifold collector) bolts at the intake manifold collector (lower).
  8. Remove the EGR tube (to lower intake manifold collector) bolts at the EGR volume control valve and remove the tube.
  9. Loosen the EGR tube (to exhaust manifold) to EGR volume control valve.
  10. If necessary remove the EGR tube (to exhaust manifold) as follows: Remove the cowl top and cowl top extension. Refer to " «REMOVAL AND INSTALLATION»(ref-239945-S24732396862006080300000) ". Disconnect the EGR tube (to exhaust manifold) to EGR volume control valve fitting. Disconnect the air fuel ratio (A/F) sensor 1 (bank 1). Remove the RH heat shield. Remove the EGR tube (to exhaust manifold) to exhaust manifold fitting.
  11. Disconnect the coolant lines at the EGR volume control valve.
  12. Remove the EGR volume control valve bolts and the valve.

Installation is in the reverse order of removal.

Scheme 44

Scheme 44: INSTALLATION
  1. Tighten the RH heat shield bolts to specification. RH heat shield bolts : 5.8 N.m (0.59 kg-m, 51 in-lb)

Scheme 45

Scheme 45: Removal and Installation

Scheme 46

Scheme 46: REMOVAL
  1. Release the fuel pressure. Refer to " «FUEL PRESSURE RELEASE»(ref-239940-S12688458762006080300000) ".
  2. Remove the intake manifold collector (upper and lower). Refer to " «REMOVAL AND INSTALLATION»(ref-239942-S36735307182006080400000) ".
  3. Remove the fuel rail with the fuel injectors. Refer to " «REMOVAL AND INSTALLATION»(ref-239942-S39757108062006080400000) ".
  4. Loosen the intake manifold nuts and bolts in the order as shown using power tool, and remove the intake manifold.

Installation is in the reverse order of removal.

Scheme 47

Scheme 47: INSTALLATION
  1. If necessary, install the stud bolts. Stud bolts : 10.8 N.m (1.1 kg-m, 96 in-lb)
  2. Install intake manifold nuts and bolts in two steps in the order as shown. Step 1 : 7.4 N.m (0.75 kg-m, 65 in-lb) Step 2 : 29 N.m (3.0 kg-m, 21 ft-lb)

Scheme 48

Scheme 48: Removal and Installation
WARNINGPerform the work when the exhaust and cooling system have completely cooled down. When removing the front and rear engine mounting through bolts and nuts, lift the engine up slightly for safety. For engine slingers, refer to " REMOVAL ".

Scheme 49

Scheme 49

Scheme 50

Scheme 50

Scheme 51

Scheme 51
  1. Disconnect battery. Refer to " «REMOVAL AND INSTALLATION»(ref-239946-S29666347162006080300000) ".
  2. Remove cowl top. Refer to " «REMOVAL AND INSTALLATION»(ref-239945-S24732396862006080300000) ".
  3. Disconnect air fuel ratio (A/F) sensor 1 (bank 2) connector.
  4. Remove the front wheel and tires using power tool.
  5. Remove the engine undercover.
  6. Remove the inner wheel well splash shields.
  7. If removing only air fuel ratio (A/F) sensor 1 (bank 2) do so at this time through the wheel well opening, using Tool. Tool number : KV991J0050 (J-44626)
  8. If removing the exhaust manifold (LH bank), remove the radiator and cooling fan assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-239944-S38082485752006080300000) ".
  9. Remove the front exhaust tube. Refer to " «REMOVAL AND INSTALLATION»(ref-239947-S37880455882006080300000) ".
  10. If removing the exhaust manifold (RH), remove the front suspension member. Refer to " «REMOVAL AND INSTALLATION»(ref-239948-S07142178242006080300000) "
  11. Remove the bank 1 (1) and bank 2 (2) three way catalyst manifolds support bolts in the order as shown. <==: Engine front
  12. Remove heated oxygen sensor 2 (bank 1), heated oxygen sensor 2 (bank 2), air fuel ratio (A/F) sensor 1 (bank 1) and air fuel ratio (A/F) sensor 1 (bank 2). Remove harness connector of each sensor, and disconnect the harness from the bracket and middle clamp. Remove both heated oxygen sensors and air fuel ratio (A/F) sensors using Tool. Tool numbers : KV10114400 (J-38365) CAUTION: Be careful not to damage heated oxygen sensors or air fuel ratio (A/F) sensors. Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; replace with a new sensor.
  13. Remove exhaust manifold and three way catalyst manifold heat shields using power tool.
  14. Remove the three way catalyst (manifold) (bank 1) and three way catalyst (manifold) (bank 2) by loosening the bolts first and then removing the nuts and through bolts using power tool.
  15. Remove the RH bank(1) and LH bank (2) exhaust manifolds. Loosen the exhaust manifold nuts in the order as shown using power tool. <==: Engine front

Scheme 52

Scheme 52: Surface Distortion
  1. Use a reliable straightedge and feeler gauge to check the flatness of the exhaust manifold mating surfaces. Limit : 0.3 mm (0.012 in)

Installation is in the reverse order of removal.

Scheme 53

Scheme 53: INSTALLATION

Scheme 54

Scheme 54

Scheme 55

Scheme 55

Scheme 56

Scheme 56
  1. <==: Engine front
  2. Install the RH (1) and LH (2) exhaust manifold nuts in the order as shown. Exhaust manifold nuts : 30.9 N.m (3.2 kg-m, 23 lb-ft) CAUTION: Before installing a heated oxygen sensor or air fuel ratio (A/F) sensor, clean the exhaust manifold threads using Tool, and apply anti-seize lubricant. Do not over-tighten the air fuel ratio (A/F) sensor or heated oxygen sensors. Doing so may cause damage. Tool numbers : J-43897-18 : J-43897-12 Tool numbers : KV10114400 (J-38365) : KV10117100 (J-36471-A)
  3. Install the RH (1) and LH (2) three way catalyst support bolts in the order as shown. Three way catalyst support bolts : 22.0 N.m (2.2 kg-m, 16 ft-lb)
  4. Install the exhaust manifold heat shield bolts. Exhaust manifold heat shield bolts : 5.8 N.m (0.59 kg-m, 51 in-lb)
  5. Install the three way catalyst heat shield bolts. Three way catalyst heat shield bolts : 8.3 N.m (0.85 kg-m, 73 in-lb)

Scheme 57

Scheme 57: Removal and Installation
WARNINGYou should not remove the oil pan until the exhaust system and cooling system have completely cooled off. When removing the front and rear engine mounting through bolts and nuts, lift the engine up slightly for safety.
CAUTIONWhen removing the upper oil pan from the engine, first remove the crankshaft position sensor (POS). Be careful not to damage sensor edges or signal plate teeth.

Scheme 58

Scheme 58

Scheme 59

Scheme 59

Scheme 60

Scheme 60

Scheme 61

Scheme 61

Scheme 62

Scheme 62

Scheme 63

Scheme 63

Scheme 64

Scheme 64

Scheme 65

Scheme 65
  1. Remove the front RH wheel and tire using power tool.
  2. Drain engine oil. Refer to " «CHANGING ENGINE OIL»(ref-239943-S03623837022006080300000) ".
  3. Drain the engine coolant. Refer to " «DRAINING ENGINE COOLANT»(ref-239944-S37417993932006080300000) ".
  4. Remove the oil dipstick.
  5. Remove the engine undercover.
  6. Remove the RH inner fender splash shield.
  7. Remove the A/C drive belt. Refer to " «REMOVAL»(ref-239942-S25717341262006080400000) ".
  8. Remove the front exhaust tube. Refer to " «REMOVAL AND INSTALLATION»(ref-239947-S37880455882006080300000) ".
  9. Remove coolant pipe bolts.
  10. Discharge and recover the R134a refrigerant. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-259754-S32572440232007080400000) ".
  11. Remove the A/C compressor using power tools. Refer to " «REMOVAL AND INSTALLATION FOR COMPRESSOR»(ref-259754-S12089851232007080400000) ".
  12. Remove engine oil cooler from the upper oil pan. Refer to " «REMOVAL»(ref-239949-S32866625332006080300000) ".
  13. Remove the oil pressure switch, and the crankshaft position sensor (POS) from the upper oil pan.
  14. Remove the front drive shafts. Refer to " «FRONT DRIVE SHAFT»(ref-239950-S26467882502006080300000) ".
  15. Remove the front suspension member. Refer to " «REMOVAL AND INSTALLATION»(ref-239948-S07142178242006080300000) ".
  16. Disconnect the heated oxygen sensors and air flow ratio (A/F) sensors and remove the two three way catalysts from the exhaust manifolds using power tool. Refer to " «REMOVAL AND INSTALLATION»(ref-239947-S37880455882006080300000) ".
  17. Remove the rear cover plate from the upper oil pan.
  18. Loosen the lower oil pan bolts using power tool in order as shown.
  19. Remove the lower oil pan. Insert Tool between the lower oil pan and the upper oil pan. Tool number : KV10111100 (J-37228) CAUTION: Be careful not to damage the mating surface. Do not insert a screwdriver, this will damage the mating surfaces. Slide (1) the Tool by tapping (2) its side with a hammer to remove the lower oil pan from the upper oil pan.
  20. Remove the four upper oil pan to transaxle bolts.
  21. Remove oxygen sensor wire retainer bracket.
  22. Remove the upper oil pan. Loosen the bolts in the order as shown, using power tool. Insert an appropriate size tool into the notch (1) of the upper oil pan as shown. Pry off the upper oil pan by moving the tool up and down (2) as shown.
  23. Remove the O-ring seals from the bottom of the cylinder block and oil pump housing, use new O-rings for installation.
  24. Remove front cover gasket and rear oil seal retainer gasket.
  25. Remove the oil strainer.
  26. If re-installing the original oil pan, remove the old sealant from the mating surfaces using a scraper. Also remove the old sealant from mating surface of the cylinder block. Remove the old sealant from the bolt holes and threads. CAUTION: Do not scratch or damage the mating surfaces when cleaning off the old sealant.
CAUTIONWait at least 30 minutes before refilling the engine with oil.

Scheme 66

Scheme 66

Scheme 67

Scheme 67

Scheme 68

Scheme 68

Scheme 69

Scheme 69

Scheme 70

Scheme 70

Scheme 71

Scheme 71

Scheme 72

Scheme 72

Scheme 73

Scheme 73
  1. Install oil strainer refer to " «REMOVAL AND INSTALLATION»(ref-239942-S38555864602006080400000) ".
  2. Apply Genuine Silicone RTV Sealant or equivalent, to the front cover gasket and the rear oil seal retainer gasket as shown. Refer to " «RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS»(ref-239935-S21612245322006080400000) ".
  3. Install a new front cover gasket and rear oil seal retainer gasket.
  4. Apply a bead of sealant to the cylinder block mating surface of the upper oil pan as shown. Use Genuine Silicone RTV Sealant, or equivalent. Refer to " «RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS»(ref-239935-S21612245322006080400000) ". Be sure the sealant is applied as shown, and the sealant is 4.0 - 5.0 mm (0.157 - 0.197 in) or 4.5 - 5.5 mm (0.177 - 0.217 in) wide. Attaching should be done within 5 minutes after coating.
  5. Install new O-rings on the cylinder block and oil pump body.
  6. Install the upper oil pan. Tighten upper oil pan bolts in the order as shown refer to " «REMOVAL AND INSTALLATION»(ref-239942-S38555864602006080400000) ". Wait at least 30 minutes before refilling the engine with oil.
  7. Install the four upper oil pan to transaxle bolts. Refer to " «INSTALLATION»(ref-239942-S41180560072006080400000) ".
  8. Apply a continuous bead of sealant to the lower oil pan. Use Genuine Silicone RTV Sealant, or equivalent. Refer to " «RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS»(ref-239935-S21612245322006080400000) ". Be sure the sealant is 4.5 - 5.5 mm (0.177 - 0.217 in) wide. Installation must be done within 5 minutes after applying sealant.
  9. Install the lower oil pan. Tighten the lower oil pan bolts in order as shown refer to " «REMOVAL AND INSTALLATION»(ref-239942-S38555864602006080400000) ". Wait at least 30 minutes before refilling the engine with oil.
  10. Install rear plate cover refer to " «REMOVAL AND INSTALLATION»(ref-239942-S38555864602006080400000) ".
  11. Installation of the remaining components is in the reverse order of removal.

Installation is in the reverse order of removal.

Scheme 74

Scheme 74: Removal and Installation

Scheme 75

Scheme 75: REMOVAL

Scheme 76

Scheme 76
  1. Remove the engine cover, using power tool.
  2. Drain the engine coolant. Refer to " «DRAINING ENGINE COOLANT»(ref-239944-S37417993932006080300000) ".
  3. Disconnect the mass air flow sensor electrical connector and remove the air cleaner case (upper), mass air flow sensor and air cleaner to electric throttle control actuator tube. Refer to " «REMOVAL AND INSTALLATION»(ref-239942-S12459786952006080400000) ".
  4. Remove the intake manifold collector (upper), gasket, and electric throttle control actuator. Refer to " «REMOVAL AND INSTALLATION»(ref-239942-S36735307182006080400000) ".
  5. Remove the six ignition coils. CAUTION: Do not shock them.
  6. Remove the six spark plugs using a suitable tool. If replacing the spark plugs use the correct spark plug for maximum performance. Refer to " «CHANGING SPARK PLUGS (PLATINUM - TIPPED TYPE)»(ref-239943-S36081995322006080300000) ".

Scheme 77

Scheme 77: INSPECTION AFTER REMOVAL

If plug tip is covered with carbon, a spark plug cleaner may be used.

Cleaner air pressure : less than 588 kPa (6 kg/cm 2 , 85 psi)

Cleaning time : less than 20 seconds

Checking and adjusting plug gap is not required between change intervals.

Gap (nominal) : 1.1 mm (0.043 in)

Scheme 78

Scheme 78

Installation is in the reverse order of removal.

  1. Use standard type spark plug for normal driving conditions. Refer to " «SPARK PLUG»(ref-239942-S30921526572006080400000) ".
  2. The hot type spark plug is suitable when fouling occurs with the standard type spark plug under conditions such as: Frequent engine starts Low ambient temperatures
  3. The cold type spark plug is suitable when engine spark knock occurs with the standard type spark plug under conditions such as: Extended highway driving Frequent high engine revolution

Scheme 79

Scheme 79: Removal and Installation
CAUTIONApply new engine oil when installing the parts as specified to do so. Do not remove or disassemble parts unless instructed as shown.

Scheme 80

Scheme 80: REMOVAL

Scheme 81

Scheme 81
  1. Remove the intake manifold collector (upper and lower). Refer to " «REMOVAL AND INSTALLATION»(ref-239942-S36735307182006080400000) ".
  2. Disconnect the fuel quick connector on the engine side. Using Tool perform the following steps to disconnect the quick connector. Tool number : - (J-45488) Remove quick connector cap. With the sleeve side of Tool facing quick connector, install Tool onto fuel tube. Insert Tool into quick connector until sleeve contacts and goes no further. Hold the Tool on that position. CAUTION: Inserting the Tool hard will not disconnect quick connector. Hold Tool where it contacts and goes no further. Pull the quick connector straight out from the fuel tube. CAUTION: Pull quick connector holding it at the "A" position, as shown. Do not pull with lateral force applied. O-ring inside quick connector may be damaged. Prepare container and cloth beforehand as fuel will leak out. Avoid fire and sparks. Be sure to cover openings of disconnected pipes with plug or plastic bag to avoid fuel leakage and entry of foreign materials.
  3. Remove the fuel rail with the fuel injectors attached, from the intake manifold. Remove the fuel injector O-Rings and use new O-rings for installation.
  4. If necessary, remove fuel damper bolts and the fuel dampers. Remove fuel damper O-rings and use new O-rings for installation.

Scheme 82

Scheme 82: INSTALLATION

Scheme 83

Scheme 83

Scheme 84

Scheme 84
  1. If necessary, install fuel dampers and fuel damper bolts. Use new O-rings for installation.
  2. Install the fuel rails with fuel injectors attached. NOTE: Carefully install O-ring. Lubricate O-rings by lightly coating with new engine oil. Be careful not to damage the O-rings and surfaces for O-ring sealing surfaces. Do not expand or twist O-rings. Discard old clips; replace with new ones. Make sure that protrusions of fuel injectors are aligned with cutouts of clips after installation. Position clips in grooves on the fuel injectors. Align the protrusions of the fuel tube assembly with those of the fuel injectors. After properly inserting the fuel injectors onto the fuel tube assembly, check that the fuel tube protrusions are engaged with those of fuel injectors, and the flanges of the fuel tube assembly are fully engaged with the clips.
  3. Tighten fuel tube assembly bolts in the order as shown, in two steps: Fuel tube assembly bolts Step 1 : 10.1 N.m (1.0 kg-m, 89 in-lb) Step 2 : 22.0 N.m (2.2 kg-m, 16 ft-lb) CAUTION: After properly connecting fuel tube assembly to injector and fuel hose, check connection for fuel leakage.
  4. Install the quick connector as follows: Make sure no foreign substances are deposited in and around the fuel tube and quick connector and that there is no damage. Align the center to insert the quick connector straight onto the fuel tube. Insert the fuel tube until a click is heard. Install the quick connector cap.
  5. Installation of the remaining components is in the reverse of removal.