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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Mechanical - 3.8L) >> Repair Instructions - On Vehicle >> Connecting Rod Bearing Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the oil pan. Refer to Oil Pan Replacement .
  2. Remove the spark plugs from the cylinders that is being serviced. Refer to Spark Plug Replacement .
  3. Position the connecting rod to be serviced to Bottom Dead Center (BDC) by rotating the crankshaft.
    4. Fig 1: Connecting Rod Cap & Lower Connecting Rod Bearing
    GM97787Courtesy of GENERAL MOTORS CORP.
  4. Remove the connecting rod cap bolts.
  5. Remove the connecting rod cap and lower connecting rod bearing.
    6. IMPORTANT: Keep the bearings with the original connecting rod and cap. Do this in order to reassemble the connecting rod.
  6. Remove the lower connecting rod bearing from the connecting rod cap.
    7. Fig 2: View Of J 41507 Attached To Connecting Rod
    GM406045Courtesy of GENERAL MOTORS CORP.
  7. Install the J 41507  to the connecting rod. See Special Tools .
  8. Use the J 41507  , in order to push up the connecting rod and piston and access the upper connecting rod bearing. See Special Tools .
  9. Remove the upper connecting rod bearing.
  10. Wipe the oil from the bearings.
  11. Inspect the connecting rod bearings. Refer to Piston, Connecting Rod, and Bearing Cleaning and Inspection .
  12. Measure the bearing clearance. Refer to Engine Mechanical Specifications .
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