GM Service Manual Online
For 1990-2009 cars only

Special Tools

EN-47935 (DW110-040) Engine and Transaxle Assembly Support Remover/Installer

Removal Procedure

    Warning: Refer to Breathing R-134a Warning in the Preface section.


    Object Number: 1203004  Size: SH
  1. Discharge the air conditioning (A/C) system, if equipped.
  2. Drain the power steering oil, if equipped.
  3. Relieve the fuel system pressure. Refer to Fuel System Diagnosis.
  4. Warning: Refer to Battery Disconnect Warning in the Preface section.

  5. Disconnect the negative battery cable.
  6. Remove the air filter, resonator with snorkel assembly (1). Refer to Air Cleaner Element Replacement.
  7. Remove the engine ignition system ignition coil, if equipped.
  8. Disconnect the radiator lower hose (2) and drain the coolant. Refer to Cooling System Draining and Filling.
  9. Disconnect the fuel line inlet hose and the fuel injector wire connectors from the fuel rail (3).

  10. Object Number: 1202840  Size: SH
  11. Disconnect the throttle cable (4).
  12. Disconnect the manifold absolute pressure (MAP) sensor connector (3).
  13. Disconnect the canister solenoid connector (3).
  14. Disconnect the brake booster vacuum hose (5).
  15. Disconnect the MAP sensor vacuum hose (2).
  16. Disconnect the evaporative emission (EVAP) canister vacuum hose.
  17. Disconnect the intake air temperature (IAT) sensor connector.

  18. Object Number: 1230443  Size: SH
  19. Remove the distributor. Refer to Distributor Replacement.
  20. Disconnect the engine coolant temperature (ECT) sensor connector (2).
  21. Disconnect the coolant temperature sensor connector (1).
  22. Disconnect the oxygen sensor connector (3).
  23. Disconnect the idle air control (IAC) valve connector (4).
  24. Disconnect the throttle position (TP) sensor connector (5).
  25. Disconnect the camshaft position (CMP) sensor connector and crankshaft position (CKP) sensor connector.
  26. Disconnect the heat core inlet hose.
  27. Disconnect the throttle body coolant outlet hose.

  28. Object Number: 1203169  Size: SH
  29. Remove the power steering fluid reservoir (1), if equipped. Refer to Power Steering Fluid Reservoir Replacement.
  30. Remove the coolant surge tank (2).

  31. Object Number: 1224216  Size: SH
  32. Disconnect the coolant fan electrical connector (3).
  33. Loosen the coolant fan bolts (2).
  34. Take out the coolant fan assembly as shown in the picture (1).

  35. Object Number: 1204030  Size: SH
  36. Disconnect and remove the radiator upper hose (1).
  37. Disconnect and remove the radiator surge tank hose (2).
  38. Disconnect and remove the radiator lower hose (3).

  39. Object Number: 1204172  Size: SH
  40. Loosen the radiator bolts (2).
  41. Remove the radiator mounting brackets (1).
  42. Take out the radiator as shown in the picture (3).

  43. Object Number: 1203579  Size: SH
  44. If equipped with the air conditioning (A/C) system and the power steering, disconnect the connectors, the pipes, and the hoses.
  45. Disconnect the power steering pressure sensor connector (3).
  46. Disconnect the hose from the power steering pump (2).
  47. Disconnect the pipe from the power steering pump (1).
  48. Disconnect the air conditioning low and high pressure pipes (4).
  49. Disconnect the power steering hose.

  50. Object Number: 1224503  Size: SH
  51. Remove the select and shift cable pin (2).
  52. Remove the select and shift washer (3).
  53. Disconnect the select and shift cable (4).
  54. Remove the E-ring (1).

  55. Object Number: 1224507  Size: SH
  56. Remove the engine electrical wire bending strap.
  57. Loosen the transaxle case ground connection line bolt (2).
  58. Disconnect the transaxle case ground connection line (1).
  59. Disconnect the backup lamp switch electrical connector (3).

  60. Object Number: 1224508  Size: SH
  61. Remove the transaxle under cover bolts (2).
  62. Remove the transaxle under cover (1).

  63. Object Number: 1224509  Size: SH
  64. Remove the transaxle oil drain plug and drain oil.
  65. Loosen the clutch cable adjusting nut (3).
  66. Disconnect the clutch cable from the wire clip (1).
  67. Disconnect the clutch cable from the transaxle mount hole (2).

  68. Object Number: 1224511  Size: SH
  69. Loosen the speedometer cable nut (1).
  70. Disconnect the speedometer cable (2).
  71. If equipped, disconnect the vehicle speed sensor electrical connector.

  72. Object Number: 1224510  Size: SH
  73. Loosen the front exhaust pipe nuts (1).
  74. Remove the gasket and disconnect the pipe (4).
  75. Loosen the nuts (3).
  76. Remove the front exhaust pipe (2).

  77. Object Number: 1204807  Size: SH
  78. Disconnect the oil pressure switch electrical connector (3).
  79. Disconnect the generator B+ terminal (1).
  80. Disconnect the generator electrical connector (5).
  81. Disconnect the starter electrical connector (2).
  82. Disconnect the electrical wire strap (4).

  83. Object Number: 1224512  Size: SH
  84. Disconnect the surge tank coolant return hose (1) and the heater outlet hose (2).

  85. Object Number: 1224513  Size: SH
  86. Remove both of the front wheels. Refer to Tire and Wheel Removal and Installation.
  87. Remove the control arm (1) and the tie rod end (2). Refer to Control Arm Replacement.

  88. Object Number: 1224514  Size: SH
  89. Remove the left and right front longitudinal member (2) and stabilizer bar (1). Refer to Stabilizer Shaft Replacement.

  90. Object Number: 1224517  Size: SH
  91. Loosen the caulking nut. Refer to Wheel Hub, Bearing, Knuckle, and Seal Replacement.
  92. Caution: When removing the drive axle, use extreme care not to nick or cut the drive axle oil seal.

  93. Remove the wheel side drive axle (1).
  94. Insert a driver between the transaxle case and the drive axle joint case (2).
  95. Remove the differential side drive axle, as shown (3).

  96. Object Number: 1224520  Size: SH
  97. Remove the damping bush assembly bolt and nut (1).
  98. Remove the engine mount front bracket (2) and the damping bush assembly (3).

  99. Object Number: 1223106  Size: SH
  100. Remove the right (1) and left (2) crossmember. Refer to Front Suspension Crossmember Replacement.

  101. Object Number: 1223107  Size: SH

    Note: Before loosening the engine mount intermediate bracket nut, oil pan should be supported by the EN-47935 .

  102. Loosen the engine mount intermediate bracket nut (1).

  103. Object Number: 1203549  Size: SH
  104. Support the oil pan with the EN-47935 .
  105. Loosen the bolt and nut from the engine mount lower bracket (1).

  106. Loosen the bolt from the body bracket (2).
  107. Remove the engine mount reaction rod (3).

  108. Object Number: 1203598  Size: SH
  109. Loosen the transaxle mount bolts (1) and remove the mount.

  110. Object Number: 1223108  Size: SH
  111. Remove the engine and transaxle assembly (1) by slowly lowering the special tool (2).

  112. Object Number: 1223109  Size: SH
  113. Remove the transaxle from the engine/transaxle assembly. Refer to Transmission Replacement for the Y4M transmission.
  114. Remove some parts to be equipped with the engine assembly. Refer to Cylinder Head Disassemble.

Installation Procedure


    Object Number: 1223111  Size: SH
  1. Install the transaxle to the engine assembly. Refer to Transmission Replacement for the Y4M transmission.
  2. Place the engine and transaxle assembly on the EN-47935 making sure that the assembly is properly supported.
  3. Install the engine and transaxle assembly in to the vehicle by slowly raising the EN-47935 .
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the transaxle mount and bolts (1) and tighten to 45-55 N·m (33-41 lb ft).
  6. Install the engine mount reaction rod (2, 3) and tighten to 68-83 N·m (50-61 lb ft).

  7. Object Number: 1223112  Size: SH
  8. Install the engine mount intermediate bracket and nuts (1, 2) and tighten to 60-70 N·m (44-52 lb ft).

  9. Object Number: 1223113  Size: SH
  10. Install the crossmember and bolts (1, 2) and tighten to 17-27 N·m (13-20 lb ft).

  11. Object Number: 1223115  Size: SH
  12. Install the engine mount front bracket and bolt (1) and tighten to 35-41 N·m (25-30 lb ft).

  13. Object Number: 1223117  Size: SH
  14. Install the damping front bush assembly and bolts (1, 2, 3).
  15. • Tighten the crossmember side front damping bush bolt to 35-41 N·m (25-30 lb ft).
    • Tighten the crossmember side two front damping bush bolts to 45-55 N·m (33-41 lb ft).
    • Tighten the front damping bush bolt and nut to 68-83 N·m (50-62 lb ft).

    Caution: When removing the drive axle, use extreme care not to nick or cut the drive axle oil seal.

  16. Install the differential side drive axle.
  17. Install the wheel side drive axle.
  18. Install the caulking nut.

  19. Object Number: 1223119  Size: SH
  20. Install the stabilizer bar. Tighten the stabilizer bar castellated nut to 40-50 N·m (30-36 lb ft) and the stabilizer bar mounting bolt to 33-53 N·m (24-39 lb ft).

  21. Object Number: 1223120  Size: SH
  22. Install the left and right front longitudinal member. Tighten the front longitudinal member bolt to 10-14 N·m (7-10.5 lb ft) and the front longitudinal member nut to 60-80 N·m (44-59 lb ft).

  23. Object Number: 1223122  Size: SH
  24. Install the control arm and stud nut (2) and tighten to 50-70 N·m (36-52 lb ft).
  25. Install the tie rod end and castellated nut (1) and tighten to 35-55 N·m (25-41 lb ft).
  26. Install both of the front wheels. Refer to Tire and Wheel Removal and Installation.

  27. Object Number: 1224512  Size: SH
  28. Connect the surge tank coolant return hose (1) and heater outlet hose (2).

  29. Object Number: 1204807  Size: SH
  30. Connect the generator B+ terminal (1).
  31. Connect the starter electrical connector (2).
  32. Connect oil pressure switch electrical connector (3).
  33. Connect the electrical wire strap (4).
  34. Connect the generator electrical connector (5).

  35. Object Number: 1223123  Size: SH
  36. Install the front exhaust pipe, gasket, and bolts. Tighten the front exhaust pipe nuts (1), exhaust manifold side to 25-35 N·m (18-25 lb ft) and the front exhaust pipe nuts (2), muffler pipe side to 25-35 N·m (18-25 lb ft).

  37. Object Number: 1224511  Size: SH
  38. Connect the speedometer cable and vehicle speed sensor electrical connector, if equipped.

  39. Object Number: 1224509  Size: SH
  40. Connect the clutch cable and wire clip (1).

  41. Object Number: 1224630  Size: SH
  42. Install the transaxle under cover and tighten the under-cover bolts (1) to 35-55 N·m (25-41 lb ft).

  43. Object Number: 1224507  Size: SH
  44. Connect the backup lamp switch electrical connector (3).
  45. Connect the transaxle case ground connection line (1) and bolt (2).
  46. Install the engine electrical wire-bending strap.

  47. Object Number: 1224503  Size: SH
  48. Connect the select and shift cable (4).

  49. Object Number: 1224631  Size: SH
  50. Install the power steering pump pressure pipes and power steering pressure sensor, if equipped. Tighten the power steering pump pressure pipe nut (1) to 36-50 N·m (26-36 lb ft) and the power steering pump pressure pipe fitting (2) to 21-35 N·m (15-25 lb ft).

  51. Object Number: 1224632  Size: SH
  52. Install the air conditioning low and high pressure pipes, if equipped and tighten the bolts (1) to 23 N·m (17 lb ft).

  53. Object Number: 1224634  Size: SH
  54. Install the radiator (1) and cooling fan (2). Tighten the radiator bolt (1, 2) to 4-5 N·m (35-44 lb in) and the cooling fan bolt (3) to 4-5 N·m (35-44 lb in).

  55. Object Number: 1204030  Size: SH
  56. Install the radiator upper (1), surge tank (2), and lower hose (3).

  57. Object Number: 1203169  Size: SH
  58. Install the power steering oil tank (1), if equipped.
  59. Install the coolant surge tank (2).

  60. Object Number: 1230443  Size: SH
  61. Connect the coolant temperature sensor connector (1).
  62. Connect the ECT sensor connector (2).
  63. Connect the oxygen sensor connector (3).
  64. Connect the IAC valve connector (4).
  65. Connect the TP sensor connector (5).
  66. Connect the CMP sensor connector and the CKP sensor connector.
  67. Connect the heat core inlet hose.
  68. Connect the throttle body coolant outlet hose.
  69. Install the distributor. Refer to Distributor Replacement.
  70. Install the EVAP canister.

  71. Object Number: 1202840  Size: SH
  72. Connect the throttle cable (1).
  73. Connect the MAP sensor connector (2).
  74. Connect the canister solenoid connector (3).
  75. Connect the brake booster vacuum hose (4).
  76. Connect the MAP sensor vacuum hose (5).
  77. Connect the EVAP canister vacuum hose.
  78. Connect the IAT sensor connector (6).
  79. Connect the fuel line inlet hose and the fuel injector wire connectors on to the fuel rail.
  80. Install the air filter, resonator with snorkel assembly. Refer to Air Cleaner Element Replacement.
  81. Fill and check the following fluids:
  82. • Transaxle oil
    • Power steering oil
    • Radiator coolant
  83. Connect the negative battery cable.
  84. Reset the engine control module (ECM). Refer to Engine Control Module Replacement.
  85. Start the engine and check the engine for normal operation.
  86. Recharge the air conditioning, if equipped.
  87. Verify that all electrical connectors and hoses are properly secured.
  88. Check all fluid levels and verify that there are not leaks.