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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical - 1.8L (Lay)) >> Repair Instructions - Off Vehicle >> Crankshaft and Bearing Installation

Crankshaft and Bearing Installation

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Upper Crankshaft Thrust Washers
    GM2017321Courtesy of GENERAL MOTORS CORP.
  1. Install the 2 upper crankshaft thrust washers under the No. 3 journal of the cylinder block with the oil grooves facing outward.
  2. Apply the engine oil to the crankshaft thrust washer.
  3. Apply the engine oil to the upper bearing and install the crankshaft on the cylinder block.
  4. Apply the engine oil to the lower bearing.
    5. Fig 2: Identifying Main Bearing Cap & Block Marks
    GM2017323Courtesy of GENERAL MOTORS CORP.
  5. Examine the number marks and install the bearing caps on the cylinder block.
  6. Apply a light coat of engine oil to the threads and under the bearing cap bolts.
    7. Fig 3: Identifying Main Bearing Cap Bolts
    GM2017324Courtesy of GENERAL MOTORS CORP.
  7. Temporarily install the 10 main bearing cap bolts.
    8. Fig 4: Loosely Installing Main Bearing Cap By Hand
    GM2017325Courtesy of GENERAL MOTORS CORP.
  8. Insert the main bearing cap with your hand until the clearance between the main bearing cap and the cylinder block is less than 5 mm (0.20 in) using the 2 internal bearing cap bolts as guides.
    9. Fig 5: Tapping Bearing Cap To Ensure Proper Fit
    GM2017326Courtesy of GENERAL MOTORS CORP.
  9. Using a plastic hammer, lightly tap the bearing cap to ensure a proper fit.
    10. NOTE: The main bearing cap bolts are tightened in 2 progressive steps.
  10. Install the crankshaft bearing cap bolts.
    11. Fig 6: Identifying Bearing Cap Bolt Tightening Sequence
    GM2017327Courtesy of GENERAL MOTORS CORP.
  11. Install and uniformly tighten the 10 main bearing cap bolts in sequence to 40 N.m (30 lb ft).
    12. Fig 7: Identifying Bearing Cap Bolt Tightening Final Step
    GM2017328Courtesy of GENERAL MOTORS CORP.
  12. Mark the front of the bearing cap bolts with paint.
  13. Further tighten the bearing cap bolts an additional 90 degree in the numerical order shown in the previous illustration.
  14. Check that the paint mark is now at a 90 degree angle to the front.
  15. Check that the crankshaft turns smoothly.
  16. Check the crankshaft thrust clearance. Refer to Crankshaft and Bearing Cleaning and Inspection .
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