DeVille, Eldorado, Seville 1999-2005

Engine

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disable the air bag system.
  4.  
  5. Recover the air-conditioning system.
  6.  
  7. Drain the cooling system.
  8.  
  9. Recover the refrigerant from the air conditioning system.
  10.  
  11. Relieve the fuel pressure.
  12.  
  13. Drain the crankcase.
  14.  
  15. Remove or disconnect the following:

    Negative battery cable
     
    Vacuum brake booster hose from the vacuum connection
     
    Air cleaner assembly
     
    Fuel inlet and return quick-connect fittings at the fuel
     
    Hose from the evaporative emission canister purge valve
     
    Radiator support sight shield
     
    Sight shield from the engine
     

  16.  
  17. Disconnect the following electrical connections:
    CAUTION
    Always replace the accelerator control cable with a NEW cable whenever you remove the engine from the vehicle.


    CAUTION
    Position the cruise control cable out of the way while you remove or install the engine. Do not pry or lean against the cable and do not kink the cable. A damaged cable must be replaced.


    NOTE
    Mark the location of the brake pipes to the brake pressure modulator valve (BPMV) to aid during installation.



    Powertrain Control Module (PCM)
     
    Engine electrical harness
     
    Nut securing the positive battery cable to engine
     



    Cruise control cable from the throttle body bracket and lever
     
    Throttle cable from the throttle body
     
    Shift cable from the bracket and manual shift lever
     
    Radiator inlet hose from the water housing crossover
     
    Radiator outlet hose from the thermostat housing
     
    Cooling fans
     
    Surge tank inlet hose from the tank
     
    Accumulator tube, and position the accumulator aside
     
    Heater hoses from the heater pipes
     
    Upper transaxle oil cooler pipe from the radiator
     
    Lower transaxle oil cooler pipe fitting from the radiator
     
    Right and left side strut tower nuts
     
    Engine mount struts
     
    Rear exhaust manifold pipe
     
    Front wheels
     
    Front Wheel Speed Sensor (WSS) electrical leads from the frame rail
     
    Road sensing suspension electrical connector at the frame rail, if equipped
     
    Electronic suspension position sensor links from the lower control arms, if equipped
     
    Splash shield
     
    Front fascia extensions
     
    Secondary AIR inlet hose from the secondary AIR pump
     
    Front left brake pipe fitting from the brake hose
     
    Front left brake hose retainer from the brake hose retaining bracket
     
    Bolt attaching the front brake pipes to the frame rails
     
    Front brake pipes away from the frame rails by gently pulling
     



    Master cylinder, left and rear brake pipes from the BPMV and plug the outlet ports to prevent fluid loss and contamination
     
    A/C pressure sensor
     
    A/C discharge hose from the compressor and it secure to the cooling fan assembly
     
    A/C suction hose from the compressor and secure it to the cooling fan assembly
     
    Intermediate shaft pinch bolt
     
    Steering gear from the intermediate shaft
     
    Post Heated Oxygen (HO 2 S) sensor connection
     
    Engine oil cooler quick connect fittings from the engine oil filter adapter, with the oil pipes still attached, and position aside, if equipped
     
    Wiring from the alternator
     
    Positive battery cable from the front of the frame
     
    Brace between the engine oil pan and the transaxle case
     
    Torque converter cover
     
    Torque converter-to-flywheel bolts
     

  18.  
  19. Position J 39580 powertrain support dolly under the engine frame and lower the vehicle onto the dolly.
  20.  
  21. If a support dolly is unavailable, support the powertrain with four suitable jackstands.
  22.  
  23. Secure the front hoist pads to the vehicle

    6 frame-to-body mounting bolts
     

  24.  
  25. Make sure clearance is maintained between the powertrain assembly and the following components:

    A/C accumulator hose
     
    A/C compressor hose
     
    Brake pipes
     
    Heater hoses
     
    Radiator hoses
     
    Wheel Speed Sensor (WSS) cables
     
    Wiring harnesses
     

  26.  
  27. Carefully raise the vehicle in order to clear the supported engine/transaxle assembly.
  28.  
  29. Drain the engine oil
  30.  
  31. Remove or disconnect the following:

    Intermediate hose from the AIR valve at bank 2
     
    Nut securing the intermediate hose to the AIR valve at bank 1
     
    Bolt securing the AIR pipe to the left engine mount strut bracket
     
    Exhaust Gas Recirculation (EGR) pipes
     
    Heater pipes
     
    Nut securing the coil cassette ground wire to the right cylinder head
     
    Engine wiring harness from the engine
     
    Power steering hose from the power steering pump reservoir
     
    Power steering return hose bolt to the right engine mount bracket
     
    Power steering pressure hose from the power steering pump
     
    Bolts securing the right engine mount bracket to the engine
     
    Bolt securing the top of the generator to the right engine mount strut bracket
     
    Right engine strut bracket
     

  32.  
  33. Attach an engine lift bracket to the cylinder head

    Power steering pump
     
    Engine lift chain to the engine lift brackets and attach to an engine lift devise
     
    Nuts securing the right transaxle mount to the engine frame
     
    3 bolts securing the right transaxle mount to the engine and transaxle
     
    Right transaxle mount
     
    Bolt securing the rear transaxle brace to the transaxle
     
    Nuts securing the rear transaxle brace to the stud located on the right cylinder head
     
    Rear transaxle brace
     
    Nuts securing the Vehicle Speed Sensor (VSS) heat shield to the transaxle.
     
    Bolts securing the front transaxle brace to the engine and transaxle
     
    2 nuts securing the front engine mount to the engine frame
     
    Bolts attaching the engine to the transaxle
     
    Engine
     

  34.  

To install:

  1. Installation is the reverse of removal; please note the following torque specifications:

    Bolts attaching the engine to the transaxle to 55 ft. lbs. (75 Nm)
     
    Nuts securing the front engine mount to the engine frame to 37 ft. lbs. (55 Nm)
     
    Bolts securing the front transaxle brace to the engine and transaxle to 37 ft. lbs. (50 Nm)
     
    Nuts securing the VSS heat shield to the transaxle to 37 ft. lbs. (50 Nm)
     
    Bolts securing the rear transaxle brace to the transaxle to 37 ft. lbs. (50 Nm)
     
    Bolts securing the right transaxle mount to the engine and transaxle to 37 ft. lbs. (50 Nm)
     
    Nuts securing the right transaxle mount to the engine frame to 37 ft. lbs. (50 Nm)
     
    Bolts securing the right engine mount strut bracket to the cylinder head to 37 ft. lbs. (50 Nm)
     
    Bolt securing the top of the generator to the right engine mount strut bracket to 37 ft. lbs. (50 Nm)
     
    Power steering pressure hose to the power steering pump to 22 ft. lbs. (30 Nm)
     
    6 frame mounting bolts retaining the frame to the vehicle to 72 ft. lbs. (98 Nm)
     
    Bolts securing the flywheel to the torque converter to 44 ft. lbs. (60 Nm)
     
    Oil pan-to-transaxle brace to 37 ft. lbs. (50 Nm)
     
    A/C discharge/suction hose to the compressor to 20 ft. lbs. (30 Nm)
     
    Lower transaxle oil cooler pipe fitting to the radiator to 26 ft. lbs. (35 Nm)
     
    Upper transaxle oil cooler pipe fitting to the radiator to 26 ft. lbs. (35 Nm)
     

  2.  
  3. Fill the engine with oil.
  4.  
  5. Fill the cooling system.
  6.  
  7. Bleed the brake system.
  8.  
  9. Recharge the A/C refrigerant system.
  10.  
  11. Bleed the power steering system.
  12.  
  13. Check the wheel alignment.
  14.  
  15. Complete the following steps after the engine is installed in the vehicle:
    1. With the ignition OFF or disconnected, crank the engine several times. Listen for any unusual noises or evidence that any parts are binding.
    2.  
    3. Start the engine and listen for abnormal conditions.
    4.  
    5. Check the vehicle oil pressure gauge or light and confirm that the engine has acceptable oil pressure.
    6.  
    7. Run the engine at approximately 1000 RPM until the engine reaches normal operating temperature.
    8.  
    9. While the engine continues to idle raise and support the vehicle
    10.  
    11. Inspect for oil, coolant and exhaust leaks while the engine is idling.
    12.  
    13. Lower the vehicle.
    14.  
    15. Perform the Crankshaft Position (CKP) system variation learn procedure.
    16.  
    17. Perform a final inspection for the proper engine oil and coolant levels.
    18.  

  16.  
  17. Road test the vehicle.
  18.  

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disable the air bag system.
  4.  
  5. Recover the air-conditioning system.
  6.  
  7. Drain the cooling system.
  8.  
  9. Recover the refrigerant from the air conditioning system.
  10.  
  11. Relieve the fuel pressure.
  12.  
  13. Drain the crankcase.
  14.  
  15. Remove or disconnect the following:

    Negative battery cable
     
    Vacuum brake booster hose from the vacuum connection
     
    Fuel inlet and return quick-connect fittings at the fuel
     
    Hose from the evaporative emission canister purge valve
     
    Upper filler panel
     
    Air cleaner assembly
     
    2 nuts from the intake manifold sight shield
     
    Sight shield from the engine
     
    Nut securing the positive battery cable to the remote positive terminal
     
    Secondary AIR relay from the relay bracket
     

  16.  
  17. Disconnect the following electrical connections

    Powertrain Control Module (PCM)
     
    Engine electrical harness
     

  18.  
  19. Remove or disconnect the following:
    CAUTION
    Always replace the accelerator control cable with a NEW cable whenever you remove the engine from the vehicle.


    CAUTION
    Position the cruise control cable out of the way while you remove or install the engine. Do not pry or lean against the cable and do not kink the cable. A damaged cable must be replaced.


    NOTE
    Mark the location of the brake pipes to the Brake Pressure Modulator Valve (BPMV) to aid during installation.


    NOTE
    Make sure the vehicle wheels are in the straight position and the steering column in the LOCK position before disconnecting the steering column or intermediate shaft from the steering gear. Failure to do so will cause the SIR coil assembly to become uncentered, which may cause damage to the coil assembly.



    Bolt attaching the engine ground cable to the right side body frame rail
     



    Cruise control cable from the throttle body bracket and lever
     
    Throttle cable from the throttle body
     
    Shift cable from the bracket and manual shift lever
     
    Radiator inlet hose from the water housing crossover
     
    Radiator outlet hose from the thermostat housing
     
    Surge tank inlet hose from the tank
     
    Heater hoses from the heater pipes
     



    2 master cylinder brake pipes from the BPMV and plug the outlet ports to prevent fluid loss and contamination
     
    Upper transaxle oil cooler pipe retaining bolt from the fan shroud
     
    Plastic cap off the upper transaxle oil cooler pipe quick connect fitting
     
    Upper transaxle oil cooler pipe from the radiator
     
    Lower transaxle oil cooler pipe fitting from the radiator
     

  20.  
  21. Lock the steering column by installing the J 42640 into the underside of the steering column.
    CAUTION
    Failure to disconnect the intermediate shaft from the rack and pinion stub shaft could result in damage to the steering gear and/or damage to the intermediate shaft. This damage may cause loss of steering control which could result in personal injury.



    Right and left side strut tower bolts
     
    Rear exhaust manifold pipe
     
    Front wheels
     
    Front Wheel Speed Sensor (WSS) electrical leads from the frame rail
     
    Road sensing suspension electrical connector at the frame rail, if equipped
     
    Electronic suspension position sensor links from the lower control arms, if equipped
     
    Front air deflector
     
    Front fascia extensions
     
    Secondary AIR inlet hose from the secondary AIR pump
     
    2 nuts attaching the front brake pipe frame brackets to the frame rails
     
    Front brake pipes from the retainers at the frame rails
     
    Front brake pipes away from the frame rails by gently pulling
     
    2 rear brake pipes at the rear of the engine frame and plug the open outlet ports
     
    A/C pressure sensor
     
    A/C discharge hose from the compressor and it secure to the cooling fan assembly
     
    A/C suction hose from the compressor and secure it to the cooling fan assembly
     



    Intermediate shaft pinch bolt
     
    Steering gear from the intermediate shaft
     
    Post Heated Oxygen (HO 2 S) sensor connection
     
    Engine oil cooler quick connect fittings from the engine oil filter adapter, with the oil pipes still attached, and position aside, if equipped
     
    Brace between the engine oil pan and the transaxle case
     
    Torque converter cover
     
    Torque converter-to-flywheel bolts
     

  22.  
  23. Position J 39580 powertrain support dolly under the engine frame and lower the vehicle onto the dolly.
  24.  
  25. If a support dolly is unavailable, support the powertrain with four suitable jackstands.
  26.  
  27. Place a 2 in x 4 in block of wood between the front of the engine oil pan and the engine frame.
  28.  
  29. Remove or disconnect the following:
    CAUTION
    To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed.



    Nut securing the right engine mount to the right engine mount bracket
     
    Nut securing the left transaxle mount to the left transaxle mount bracket
     

  30.  
  31. Secure the front hoist pads to the vehicle

    6 frame-to-body mounting bolts
     

  32.  
  33. Make sure clearance is maintained between the powertrain assembly and the following components:

    A/C accumulator hose
     
    A/C compressor hose
     
    Brake pipes
     
    Heater hoses
     
    Radiator hoses
     
    Wheel Speed Sensor (WSS) cables
     
    Wiring harnesses
     

  34.  
  35. Carefully raise the vehicle in order to clear the supported engine/transaxle assembly.
  36.  
  37. Drain the engine oil
  38.  
  39. Remove or disconnect the following:

    Heater pipes
     
    Intermediate hose from the secondary AIR valve at bank 2
     
    Nut securing the intermediate hose to the secondary AIR valve at bank 1
     
    Nut securing the coil cassette ground wire to the right cylinder head
     
    Engine wiring harness from the engine
     
    Power steering hose from the power steering pump reservoir
     
    Power steering return hose retaining bolt from the cylinder head
     
    Power steering pressure hose from the power steering pump
     
    Nut securing the power steering pressure hose to the right engine mount bracket
     
    4 bolts securing the right engine mount bracket to the engine
     
    Right engine mount bracket
     
    Bolt securing the rear transaxle brace to the transaxle
     
    Nuts securing the rear transaxle brace to the stud located on the right cylinder head
     
    Rear transaxle brace
     
    Bolts securing the front transaxle brace to the transaxle and right cylinder head
     
    Nuts securing the Vehicle Speed Sensor (VSS) heat shield to the transaxle
     
    Bolts securing the transaxle brace to the engine and transaxle
     

  40.  
  41. Attach an engine lift bracket to the cylinder head

    Engine lift chain to the engine lift brackets and attach to an engine lift devise
     
    Nut securing the front engine mount to the engine frame
     
    Bolts attaching the engine to the transaxle
     

  42.  
  43. Raise the engine from the supported frame and transaxle assembly.

    Front engine mount bracket
     

  44.  

To install:

  1. Installation is the reverse of removal; please note the following torque specifications:

    Bolts attaching the engine to the transaxle to 55 ft. lbs. (75 Nm)
     
    Nut securing the front engine mount to the front engine frame to 52 ft. lbs. (70 Nm)
     
    4 bolts securing the center transaxle brace to the engine and transaxle to 37 ft. lbs. (50 Nm)
     
    Retaining nuts attaching the VSS heat shield to the transaxle to 37 ft. lbs. (50 Nm)
     
    Bolts attaching the front transaxle brace to the transaxle and right cylinder head to 37 ft. lbs. (50 Nm)
     
    Rear transaxle brace bolt and nuts to 37 ft. lbs. (50 Nm)
     
    4 bolts securing the right engine mount bracket to the engine to 37 ft. lbs. (50 Nm)
     
    Nut securing the power steering pressure hose to the right engine mount bracket to 80 inch lbs. (9 Nm)
     
    Power steering pressure hose to the power steering pump to 20 ft. lbs. (27 Nm)
     
    Power steering return hose retaining bolt to the cylinder head to 37 ft. lbs. (50 Nm)
     
    Nut securing the coil cassette ground wire to the cylinder head to 13 ft. lbs. (17 Nm)
     
    Nut securing the intermediate hose to the secondary AIR valve at bank 1 to 80 inch lbs. (9 Nm)
     
    6 frame mounting bolts to 141 ft. lbs. (191 Nm)
     
    Nut securing the right engine mount to the right engine mount bracket to 59 ft. lbs. (80 Nm)
     
    Nut securing the left transaxle mount to the left transaxle mount bracket to 59 ft. lbs. (80 Nm)
     
    Flywheel-to-torque converter bolts to 44 ft. lbs. (60 Nm)
     
    Oil pan-to-transaxle brace bolts to 37 ft. lbs. (50 Nm)
     
    Pinch bolt to 33 ft. lbs. (45 Nm)
     
    A/C suction hose nut to 15 ft. lbs. (20 Nm)
     
    A/C discharge hose nut to 15 ft. lbs. (20 Nm)
     
    2 rear brake pipes at the rear of the engine frame to 11 ft. lbs. (15 Nm)
     
    Brake pipe frame bracket nuts to 11 ft. lbs. (15 Nm)
     
    Transaxle oil cooler pipe fitting to 26 ft. lbs. (35 Nm)
     
    2 master cylinder brake pipes to the BPMV to 11 ft. lbs. (15 Nm)
     
    Brake pipes to 11 ft. lbs. (15 Nm)
     

  2.  
  3. Fill the engine with oil.
  4.  
  5. Fill the cooling system.
  6.  
  7. Bleed the brake system.
  8.  
  9. Recharge the A/C refrigerant system.
  10.  
  11. Bleed the power steering system.
  12.  
  13. Check the wheel alignment.
  14.  
  15. Complete the following steps after the engine is installed in the vehicle:
    1. With the ignition OFF or disconnected, crank the engine several times. Listen for any unusual noises or evidence that any parts are binding.
    2.  
    3. Start the engine and listen for abnormal conditions.
    4.  
    5. Check the vehicle oil pressure gauge or light and confirm that the engine has acceptable oil pressure.
    6.  
    7. Run the engine at approximately 1000 RPM until the engine reaches normal operating temperature.
    8.  
    9. While the engine continues to idle, raise and support the vehicle
    10.  
    11. Inspect for oil, coolant and exhaust leaks while the engine is idling.
    12.  
    13. Lower the vehicle.
    14.  
    15. Perform the Crankshaft Position (CKP) system variation learn procedure.
    16.  
    17. Perform a final inspection for the proper engine oil and coolant levels.
    18.  

  16.  
  17. Road test the vehicle.
  18.  

 
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