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Home >> Chevrolet >> 2021 >> Tahoe Z71 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions (4 Of 11) >> Repair Instructions >> Oil Pump Replacement (L84 4WD with RC1 with F47) >> Removal Procedure

Removal Procedure

  1. Place the air system in service mode.
  2. Raise the vehicle until the tires are off the ground. Lifting and Jacking the Vehicle
  3. Using the scan tool, deflate the air spring that will be serviced.
  4. Remove the negative battery cable from the battery. Battery Negative Cable Disconnection and Connection (9C1, 5W4) , or Battery Negative Cable Disconnection and Connection (KL9)
  5. Remove the oil level indicator. (1)
    GM5535974Courtesy of GENERAL MOTORS COMPANY
  6. Air Cleaner Outlet Duct Bracket Bolt (1) - Remove
    GM5001375Courtesy of GENERAL MOTORS COMPANY
  7. Remove engine wiring harness from air cleaner outlet duct bracket.
  8. Positive Crankcase Ventilation Fresh Air Tube (1) - Disconnect - Plastic Collar Quick Connect Fitting Service
    GM5551440Courtesy of GENERAL MOTORS COMPANY
  9. Air Cleaner Outlet Duct Clamp (2) - Loosen [2x]
  10. Air Cleaner Outlet Duct (3) - Remove
  11. Using a suitable tool, cut the accessory drive primary belt (1).
    GM5606792Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The accessory drive primary belt is not reusable.

  12. Accessory Drive Primary Belt (1) - Remove and DISCARD
  13. Using a suitable tool, cut the accessory drive auxiliary belt (1).
    GM5606811Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The accessory drive auxiliary belt is not reusable.

  14. Accessory Drive Auxiliary Belt (1) - Remove and DISCARD
  15. Battery Positive Cable Nut (1) - Remove
    GM5573641Courtesy of GENERAL MOTORS COMPANY
  16. Starter Solenoid Cable (2) - Remove
  17. Electrical Connector (3) - Disconnect
  18. Retaining Tab (1) - Disengage [2x]
    GM5572790Courtesy of GENERAL MOTORS COMPANY
  19. Engine Wiring Harness Junction Block Cover (2) - Remove
  20. Battery Positive Cable Nut (3) - Remove
  21. Starter Solenoid Cable (4) - Remove
  22. Engine Wiring Harness Junction Block Bolt (2) - Loosen [4x]
    GM5572883Courtesy of GENERAL MOTORS COMPANY
  23. Retaining Tab (1) - Disengage [4x]
  24. Engine Wiring Harness Junction Block (3) - Remove
  25. Electrical Connector (1) - Remove [4x]
    GM5573073Courtesy of GENERAL MOTORS COMPANY
  26. Engine Wiring Harness Fuse Block Bracket Bolt (2) - Remove [2x]
    GM5573198Courtesy of GENERAL MOTORS COMPANY
  27. Retaining Tab (1) - Disengage
  28. Engine Wiring Harness Fuse Block Bracket (3) - Remove
  29. Oil Level Indicator Tube Bolt (1) - Remove
    GM5535975Courtesy of GENERAL MOTORS COMPANY
  30. Remove both front tire and wheel assemblies. Tire and Wheel Removal and Installation (Steel Wheel) , or Tire and Wheel Removal and Installation (Aluminum Wheel)
  31. Drain the cooling system. Cooling System Draining and Filling (GE 47716 L84, L87) , or Cooling System Draining and Filling (Static L84, L87)
  32. Engine Oil and Oil Filter - Remove and DISCARD - Engine Oil and Oil Filter Replacement
  33. Front Bumper Fascia Skid Plate Bolt (1) - Remove [4x]
    GM5512320Courtesy of GENERAL MOTORS COMPANY
  34. Underbody Splash Shield Bolt (2) - Remove [4x]
  35. Underbody Splash Shield (1) - Remove
    GM5512311Courtesy of GENERAL MOTORS COMPANY
  36. Underbody Splash Shield Bolt (2) - Remove [2x]
    GM5512332Courtesy of GENERAL MOTORS COMPANY
  37. Underbody Skid Shield (3) - Remove
  38. Engine Oil Cooler Hose Clip (1) - Release
    GM5568873Courtesy of GENERAL MOTORS COMPANY
  39. Have an assistant apply the brakes.
  40. Front Wheel Drive Shaft Nut (1) - Remove and DISCARD
    GM5580467Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    DO NOT use air tools to remove the wheel drive shaft nut. Damage to the wheel drive shaft threads could occur. Use hand tools only.

  41. Front Wheel Drive Shaft Nut (1) - Remove and DISCARD
    GM5591238Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    DO NOT use air tools to remove the wheel drive shaft nut. Damage to the wheel drive shaft threads could occur. Use hand tools only.

  42. Install the DT-45859  Axle Remover (2) to the front wheel hub and secure with 2 wheel nuts (1) hand tightened.
    GM5591239Courtesy of GENERAL MOTORS COMPANY
  43. Using the DT-45859  Axle Remover (2), release the front wheel drive half shaft from the front wheel hub.
  44. Remove the 2 wheel nuts (1) and the DT-45859  Axle Remover (2) from the front wheel hub.
  45. Front Brake Hose Bracket Bolt (1) - Remove
    GM5591237Courtesy of GENERAL MOTORS COMPANY
  46. Front Brake Caliper Bolt (2) - Remove [2x]
    GM5591236Courtesy of GENERAL MOTORS COMPANY
  47. CAUTION:

    Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

  48. Remove the brake caliper and support with heavy mechanics wire. (1)
  49. Front Wheel Speed Sensor Bolt (1) - Remove
    GM5591242Courtesy of GENERAL MOTORS COMPANY
  50. Front Wheel Speed Sensor (2) - Remove
  51. Front Wheel Speed Sensor Bracket Bolt (3) - Remove
  52. Front Wheel Speed Sensor Bracket (4) - Remove
  53. Electronic Suspension Rear Vertical Accelerometer Bolt (2) - Remove
    GM5615183Courtesy of GENERAL MOTORS COMPANY
  54. Electronic Suspension Wheel Front Vertical Accelerometer- Right Side (3) - Reposition
  55. Steering Linkage Outer Tie Rod Nut (1) - Remove
    GM5591251Courtesy of GENERAL MOTORS COMPANY
  56. Using the CH-43631  Ball Joint Separator (1), remove the steering linkage outer tie rod from the steering knuckle.
    GM5591252Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Do not attempt to disconnect a steering linkage joint by driving a wedge between the joint and the attached part. Seal damage may result which will cause premature failure of the joint.

  57. Front Stabilizer Shaft Link Nut (1) - Remove
    GM5633900Courtesy of GENERAL MOTORS COMPANY
  58. Front Stabilizer Shaft Link@Lower Control Arm - Remove
  59. NOTE:

    Support the lower control arm to prevent over-articulation of the front lower control arm ball joint.

  60. Support the lower control arm with a suitable jack stand.
  61. Front Upper Control Arm Ball Stud Nut (1) - Loosen
    GM5591253Courtesy of GENERAL MOTORS COMPANY
  62. Using the CH-42188-B  Ball Joint Separator (1), separate the right front upper control arm (2) from the steering knuckle.
    GM5591254Courtesy of GENERAL MOTORS COMPANY
  63. Remove the CH-42188-B  Ball Joint Separator (1) from the right front upper control arm (2) and the steering knuckle.
  64. Front Upper Control Arm Ball Stud Nut (1) - Remove
    GM5591248Courtesy of GENERAL MOTORS COMPANY
  65. Remove jack stand.
  66. Using a suitable flat bladed tool (1), release the front wheel drive half shaft (2) from the front differential carrier.
    GM5591241Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Wheel drive shaft boots, seals and clamps should be protected from sharp objects any time service is performed on or near the wheel drive shaft(s). Damage to the boot(s), the seal(s) or the clamp(s) may cause lubricant to leak from the joint and lead to increased noise and possible failure of the wheel drive shaft.

    NOTE:

    Some components not shown for graphic clarity.

  67. Remove the front wheel drive half shaft (1) from the front axle.
    GM5591240Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  68. Remove the front wheel drive half shaft (1) from the wheel hub.
  69. Front Wheel Drive Shaft Retaining Ring (1) - Remove and DISCARD
    GM5595902Courtesy of GENERAL MOTORS COMPANY
  70. Front Wheel Drive Shaft Seal (2) - Remove and DISCARD
  71. Install the DT-45859  Axle Remover (2) to the front wheel hub and secure with 2 wheel nuts (1) hand tightened.
    GM5580468Courtesy of GENERAL MOTORS COMPANY
  72. Using the DT-45859  Axle Remover (2), release the front wheel drive half shaft from the front wheel hub.
  73. Remove the 2 wheel nuts (1) and the DT-45859  Axle Remover (2) from the front wheel hub.
  74. Front Brake Hose Bracket Bolt (1) - Remove
    GM5527943Courtesy of GENERAL MOTORS COMPANY
  75. Front Disc Brake Pad Wear Sensor (1) @Front Brake Caliper - Remove
    GM5517176Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Only the left front wheel is equipped with the front disc brake pad wear sensor.

  76. Front Brake Caliper Bolt (2) - Remove [2x]
    GM5518506Courtesy of GENERAL MOTORS COMPANY
  77. CAUTION:

    Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

  78. Remove the brake caliper and support with heavy mechanics wire. (1)
  79. Front Wheel Speed Sensor Bolt (1) - Remove
    GM5582579Courtesy of GENERAL MOTORS COMPANY
  80. Front Wheel Speed Sensor (2) - Remove
  81. Front Wheel Speed Sensor Bracket Bolt (3) - Remove
  82. Front Wheel Speed Sensor Bracket (4) - Remove
  83. Electronic Suspension Rear Vertical Accelerometer Bolt (2) - Remove
    GM5615179Courtesy of GENERAL MOTORS COMPANY
  84. Electronic Suspension Wheel Front Vertical Accelerometer- Left Side (3) - Reposition
  85. Steering Linkage Outer Tie Rod Nut (1) - Remove
    GM5588267Courtesy of GENERAL MOTORS COMPANY
  86. Using the CH-43631  Ball Joint Separator (1), remove the steering linkage outer tie rod from the steering knuckle.
    GM5589040Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Do not attempt to disconnect a steering linkage joint by driving a wedge between the joint and the attached part. Seal damage may result which will cause premature failure of the joint.

  87. Front Stabilizer Shaft Link Nut (1) - Remove
    GM5633908Courtesy of GENERAL MOTORS COMPANY
  88. Front Stabilizer Shaft Link@Lower Control Arm - Remove
  89. NOTE:

    Support the lower control arm to prevent over-articulation of the front lower control arm ball joint.

  90. Support the lower control arm with a suitable jack stand.
  91. Front Upper Control Arm Ball Stud Nut (1) - Loosen
    GM5604912Courtesy of GENERAL MOTORS COMPANY
  92. Using the CH-42188-B  Ball Joint Separator (1), separate the left front upper control arm (2) from the steering knuckle.
    GM5604914Courtesy of GENERAL MOTORS COMPANY
  93. Remove the CH-42188-B  Ball Joint Separator (1) from the left front upper control arm (2) and the steering knuckle.
  94. Front Upper Control Arm Ball Stud Nut (1) - Remove
    GM5604913Courtesy of GENERAL MOTORS COMPANY
  95. Remove jack stand.
  96. Using a suitable flat bladed tool (1), release the front wheel drive half shaft (2) from the front differential carrier.
    GM5588262Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Wheel drive shaft boots, seals and clamps should be protected from sharp objects any time service is performed on or near the wheel drive shaft(s). Damage to the boot(s), the seal(s) or the clamp(s) may cause lubricant to leak from the joint and lead to increased noise and possible failure of the wheel drive shaft.

    NOTE:

    Some components not shown for graphic clarity.

  97. Remove the front wheel drive half shaft (1) from the front axle.
    GM5588259Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  98. Remove the front wheel drive half shaft (1) from the wheel hub.
  99. Front Wheel Drive Shaft Retaining Ring (1) - Remove and DISCARD
    GM5595902Courtesy of GENERAL MOTORS COMPANY
  100. Front Wheel Drive Shaft Seal (2) - Remove and DISCARD
  101. Front Wheelhouse Liner- Left Side - Remove - Front Wheelhouse Liner Replacement
  102. Disconnect the electrical connector for the electronic suspension wheel front vertical accelerometer (1) and the front air shock harness electrical connector (2).
    GM5613676Courtesy of GENERAL MOTORS COMPANY
  103. Unclip and reposition the chassis wiring harness bracket (1) away from the frame shock tower.
    GM5613681Courtesy of GENERAL MOTORS COMPANY
  104. Disconnect the air line nut (1) and position the air line aside.
    GM5613677Courtesy of GENERAL MOTORS COMPANY
  105. Front Shock Absorber Nut (1) - Remove [3x]
    GM5613678Courtesy of GENERAL MOTORS COMPANY
  106. Front Shock Absorber Bolt (1) - Remove [2x]
    GM5613679Courtesy of GENERAL MOTORS COMPANY
  107. Front Shock Absorber (1) - Remove
    GM5613680Courtesy of GENERAL MOTORS COMPANY
  108. Front Stabilizer Shaft Bolt (1) - Remove [4x]
    GM5591026Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Support the front stabilizer shaft.

  109. Front Stabilizer Shaft Clamp (2) - Remove [2x]
  110. Front Stabilizer Shaft (3) - Remove
  111. Mark a reference point between the front axle propeller shaft (1) and the front differential drive pinion gear yoke.
    GM5043426Courtesy of GENERAL MOTORS COMPANY
  112. Front Axle Propeller Shaft Bolt (2) - Remove [6x]
  113. Front Axle Propeller Shaft Washer (3) - Remove [3x]
  114. Front Axle Propeller Shaft (1) - Reposition away
  115. Disconnect the front drive axle actuator electrical connector (1).
    GM5589726Courtesy of GENERAL MOTORS COMPANY
  116. Release the two harness retainers (2) and reposition harness.
  117. Electrical Connector@Heater Coolant Pump (2) - Disconnect
    GM5620579Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  118. Heater Water Auxiliary Pump Bolt (1) - Remove
  119. Remove the heater coolant pump and heater water auxiliary pump bracket (2) as assembly and position aside.
  120. NOTE:

    Ensure that the front axle is securely attached to the hydraulic jack.

  121. Support the front axle with a hydraulic jack.
  122. Front Differential Carrier Nut (1) - Remove
    GM5568832Courtesy of GENERAL MOTORS COMPANY
  123. Front Differential Carrier Bolt (2) - Remove and DISCARD
  124. Drivetrain and Front Suspension Frame Reinforcement Nut (1) - Remove [4x]
    GM5568896Courtesy of GENERAL MOTORS COMPANY
  125. Drivetrain and Front Suspension Frame Reinforcement Bolt (2) - Remove [4x]
  126. Drivetrain and Front Suspension Frame Front Crossmember (1) - Remove
    GM5568922Courtesy of GENERAL MOTORS COMPANY
  127. Front Differential Carrier Bracket Nut (1) - Remove
    GM5589729Courtesy of GENERAL MOTORS COMPANY
  128. Front Differential Carrier Bolt (2) - Remove
  129. Front Differential Carrier Bolt (1) - Remove
    GM5589730Courtesy of GENERAL MOTORS COMPANY
  130. Front Axle Vent Hose - Disconnect
    GM5589733Courtesy of GENERAL MOTORS COMPANY
  131. NOTE:

    The front axle may have to be maneuvered to remove it from the vehicle.

  132. Front Axle (1) - Remove
  133. Torque Converter Cover Bolt-Left Side (1) - Remove
    GM5585541Courtesy of GENERAL MOTORS COMPANY
  134. Transmission Converter Cover-Left Side (2) - Remove
  135. Engine Oil Cooler Hose Bracket Nut (1) - Remove
    GM4997286Courtesy of GENERAL MOTORS COMPANY
  136. Engine Oil Pressure Sensor Sleeve (1) - Remove
    GM4997823Courtesy of GENERAL MOTORS COMPANY
  137. Electrical Connector (1) @Engine Oil Pressure Sensor - Disconnect
    GM5582300Courtesy of GENERAL MOTORS COMPANY
  138. Wiring Harness Retainer (2) @Engine Oil Cooler Hose - Remove
  139. Engine Oil Cooler Adapter Bolt (1) - Remove [2x]
    GM5582326Courtesy of GENERAL MOTORS COMPANY
  140. Engine Oil Cooler Hose (1) @Oil Pan - Reposition
    GM5582330Courtesy of GENERAL MOTORS COMPANY
  141. Engine Oil Cooler Gasket (2) - Remove and DISCARD
  142. Electrical Connector@Knock Sensor (4) - Disconnect
    GM5538525Courtesy of GENERAL MOTORS COMPANY
  143. Remove the transmission fluid auxiliary cooler pipe bracket nut (1) from the oil pan.
    GM5504569Courtesy of GENERAL MOTORS COMPANY
  144. Engine Wiring Harness Retainer (2) - Remove
    GM5644061Courtesy of GENERAL MOTORS COMPANY
  145. Engine Wiring Harness Ground Stud (1) - Remove [2x]
  146. Engine Wiring Harness (3) @Oil Pan - Reposition
  147. Engine Wiring Harness Retainer (1) @Oil Level Indicator Tube (2) - Disconnect
    GM5535977Courtesy of GENERAL MOTORS COMPANY
  148. Disconnect the wiring harness connectors and retainers as necessary.
  149. Transmission Fluid Cooler Pipe Clip Bolt (1) @Oil Pan - Remove
    GM5644122Courtesy of GENERAL MOTORS COMPANY
  150. NOTE:

    Components removed in graphic to better illustrate service parts.

  151. Transmission Fluid Cooler Pipe Clip Bracket (2) @Oil Pan - Remove
  152. Reposition the transmission cooler inlet and outlet pipe (1) as necessary.
    GM5608335Courtesy of GENERAL MOTORS COMPANY
  153. Oil Level Indicator Tube (1) @Oil Pan - Remove
    GM5535978Courtesy of GENERAL MOTORS COMPANY
  154. Oil Level Indicator Seal (2) - Remove and DISCARD
  155. Oil Level Indicator Tube (1) - Reposition
  156. Starter Heat Shield Bolt (1) - Remove [2x]
    GM5569719Courtesy of GENERAL MOTORS COMPANY
  157. Starter Heat Shield Bolt (1) - Remove
    GM5569721Courtesy of GENERAL MOTORS COMPANY
  158. Starter Heat Shield (2) - Remove
  159. Battery Negative Cable Ground Bolt (1) - Remove
    GM5569769Courtesy of GENERAL MOTORS COMPANY
  160. Starter Solenoid Cable (2) - Reposition away
  161. Starter Bolt (1) - Remove [2x]
    GM5569758Courtesy of GENERAL MOTORS COMPANY
  162. Reposition the starter (2) to access the electrical connections.
  163. Protective Sleeve (4) - Reposition
    GM5569840Courtesy of GENERAL MOTORS COMPANY
  164. Starter Solenoid Cable Nut (2) - Remove
  165. Starter Solenoid Cable (1) - Remove
  166. Electrical Connector (3) - Disconnect
  167. Starter (1) - Remove
    GM5569910Courtesy of GENERAL MOTORS COMPANY
  168. Torque Converter Cover Bolt- Right Side (1) - Remove
    GM5585543Courtesy of GENERAL MOTORS COMPANY
  169. Transmission Converter Cover- Right Side (2) - Remove
  170. Position the EN-42386  Flywheel Holding Tool (1) into place.
    GM5591309Courtesy of GENERAL MOTORS COMPANY
  171. Install the M10-1.5 x 120mm (3) and the M10-1.5 x 45mm (2) bolts and tighten to 50 N.m (37 lb ft).
  172. Transmission Bolt (1) - Remove [2x]
    GM5760502Courtesy of GENERAL MOTORS COMPANY
  173. Electrical Connector (1) - Disconnect
    GM5589667Courtesy of GENERAL MOTORS COMPANY
  174. Oil Pan Bolt (2, 3) - Remove [16x]
    GM5569924Courtesy of GENERAL MOTORS COMPANY
  175. Oil Pan (1) - Remove
  176. Oil Pan High Pressure Port Seal (2) - Remove and DISCARD [2x]
    GM5577670Courtesy of GENERAL MOTORS COMPANY
  177. Oil Pan Front Seal (3) - Remove and DISCARD
  178. Air Conditioning Compressor Bolt (1) - Remove
    GM5585694Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    It is not necessary to recover and recharge the refrigerant to perform this repair.

  179. Air Conditioning Compressor Nut (2) - Remove
  180. Air Conditioning Compressor Stud (3) - Remove
  181. Air Conditioning Compressor (1) - Position aside
    GM5585692Courtesy of GENERAL MOTORS COMPANY
  182. Crankshaft Balancer Bolt (1) - Remove and DISCARD
    GM5644180Courtesy of GENERAL MOTORS COMPANY
  183. Install the EN-41816-A  Crankshaft Balancer Remover (1) and the EN-44226-5  Crankshaft Protector (3) crankshaft balancer (2).
    GM5586268Courtesy of GENERAL MOTORS COMPANY
  184. Using the EN-41816-A  Crankshaft Balancer Remover (1) and the EN-44226-5  Crankshaft Protector (2) remove the crankshaft balancer (3) from the crankshaft.
    GM5586937Courtesy of GENERAL MOTORS COMPANY
  185. Remove the EN-41816-A  Crankshaft Balancer Remover (1) and the EN-44226-5  Crankshaft Protector (2) from the crankshaft balancer (3).
  186. Radiator Surge Tank Outlet Hose Clip (2) - Remove [2x]
    GM5568620Courtesy of GENERAL MOTORS COMPANY
  187. Radiator Surge Tank Outlet Hose (3) - Position aside
  188. Radiator Inlet Hose Clip (2) - Remove
    GM5568866Courtesy of GENERAL MOTORS COMPANY
  189. Radiator Inlet Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type
  190. Radiator Inlet Hose (3) @Engine Radiator - Remove and position aside
  191. Wiring Harness Retainer (1) - Remove [2x]
    GM5568870Courtesy of GENERAL MOTORS COMPANY
  192. Electrical Connector (3) - Disconnect
  193. Wiring Harness (2) - Position aside
  194. Wiring Harness Retainer (2) - Remove [2x]
    GM5568871Courtesy of GENERAL MOTORS COMPANY
  195. Electrical Connector (1) - Disconnect
  196. Wiring Harness (3) - Position aside
  197. Engine Oil Cooler Retainer (2) - Remove [2x]
    GM5568876Courtesy of GENERAL MOTORS COMPANY
  198. Engine Oil Cooler Pipe Bracket Bolt (3) - Remove
  199. Engine Oil Cooler Hose (1) @Engine Radiator - Remove [2x]
  200. Transmission Fluid Cooler Pipe Bolt (1) - Remove
    GM5569435Courtesy of GENERAL MOTORS COMPANY
  201. Transmission Fluid Cooler Pipe Clip (2) - Remove [2x]
  202. Transmission Fluid Cooler Pipe Clip (1) - Release
    GM5569584Courtesy of GENERAL MOTORS COMPANY
  203. Engine Coolant Fan Bracket Bolt (1) - Remove [2x]
    GM5001393Courtesy of GENERAL MOTORS COMPANY
  204. Engine Cooler Fan (1) @Engine Radiator - Remove
    GM5001394Courtesy of GENERAL MOTORS COMPANY
  205. Generator Bolt (1) - Remove [2x]
    GM5642527Courtesy of GENERAL MOTORS COMPANY
  206. Generator (1) - Remove
    GM5642615Courtesy of GENERAL MOTORS COMPANY
  207. Hose Clamp (1) - Disengage [2x] - Hose Clamp Replacement Guidelines - Spring Type
    GM4994147Courtesy of GENERAL MOTORS COMPANY
  208. Heater Inlet Hose (2) @Water Pump - Remove
  209. Heater Water Auxiliary Pump Hose (3) @Water Pump - Remove
  210. Radiator Outlet Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type
    GM4994158Courtesy of GENERAL MOTORS COMPANY
  211. Radiator Outlet Hose (2) @Water Pump - Remove
  212. Hose Clamp (1) - Disengage [2x] - Hose Clamp Replacement Guidelines - Spring Type
    GM4994407Courtesy of GENERAL MOTORS COMPANY
  213. Engine Coolant Air Bleed Hose (2) @Water Pump - Remove
  214. Radiator Inlet Hose (3) @Water Pump - Remove
  215. Engine Coolant Temperature Sensor Electrical Connector (1) - Disconnect
    GM4994461Courtesy of GENERAL MOTORS COMPANY
  216. Water Pump Housing Bolt (1) - Remove [6x]
    GM4994474Courtesy of GENERAL MOTORS COMPANY
  217. Water Pump (1) - Remove
    GM5587617Courtesy of GENERAL MOTORS COMPANY
  218. Water Pump Gasket (2) - Remove and DISCARD [2x]
  219. NOTE:

    If the engine front cover is reused, the crankshaft front oil seal must be replaced.

  220. If the engine front cover is reused perform the following steps:
    1. Install the EN-51096  Seal Remover (2) to the GE-23907-1  Slide Hammer with Shaft (1).
      GM5606803Courtesy of GENERAL MOTORS COMPANY
    2. NOTE:

      EN-51096  Crankshaft Seal Remover (2) has two ends. The end with the larger bend will be used to remove the crankshaft front oil seal (3).

    3. Slide the large bend of the EN-51096  Seal Remover (2) between the lip of the crankshaft front oil seal and crankshaft. Ensure that the larger bend of the EN-51096  Crankshaft Seal Remover (2) engages the rear side of the crankshaft front oil seal (3).
    4. Using the EN-51096  Seal Remover (2) and the GE-23907-1  Slide Hammer with Shaft (1) remove the crankshaft front oil seal (3).
    5. Crankshaft Front Oil Seal (1) - Remove and DISCARD
      GM5606801Courtesy of GENERAL MOTORS COMPANY
  221. Engine Front Cover Bolt (1, 3) - Remove [10x]
    GM5615528Courtesy of GENERAL MOTORS COMPANY
  222. Engine Front Cover (2) - Remove
  223. Oil Pump Bolt (1) - Remove [4x]
    GM5617530Courtesy of GENERAL MOTORS COMPANY
  224. Oil Pump (1) - Remove
    GM5617529Courtesy of GENERAL MOTORS COMPANY
  225. Inspect the seal (3) of the timing chain tensioner for damage and wear. If damaged or worn replace the timing chain tensioner seal.
    GM5608752Courtesy of GENERAL MOTORS COMPANY
  226. Using a suitable tool, remove the timing chain tensioner seal (1).
    GM5835354Courtesy of GENERAL MOTORS COMPANY