GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Blazer - 2WD 🢒 Engine 🢒 Engine Mechanical - 2.2L 🢒 Crankshaft and Bearing Installation

    Object Number: 182705 Size: SH
  1. Apply engine oil to the crankshaft bearing inserts.
  2. Install the upper crankshaft bearing inserts.

    3. Important: The number 3 crankshaft bearing insert is specific to the number three crankshaft journal.

  3. The number 3 crankshaft bearing insert does not have a groove.
  4. Install the crankshaft.

    5. Object Number: 4330 Size: SH
  5. Install the lower crankshaft bearing inserts to the crankshaft bearing caps.
    6. • Make sure that the inserts are the correct size.
    • Measure the crankshaft bearing clearance.
    • Refer to Engine Mechanical Specifications .
    • Apply engine oil to the inserts.

    Object Number: 182723 Size: SH
  6. Install the crankshaft bearing caps to the engine block.

    7. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  7. Install the crankshaft bearing cap bolts to the engine block.

    8. Tighten
    Tighten the crankshaft bearing cap bolts first to 50 N·m (37 lb ft).


    Object Number: 183433 Size: SH
  8. Before installing the rear crankshaft bearing cap, coat the face of the block where it mates to the cap with sealer GM P/N United States 1052942, GM P/N Canada 10953466.

    9. Object Number: 61859 Size: SH
  9. Measure the crankshaft end play using the following procedure:
    10. 9.1. Tighten the rear bearing cap bolts finger tight.
    9.2. Firmly thrust the crankshaft rearward.
    9.3. Firmly thrust the crankshaft forward.
    9.4. This will align the crankshaft bearing and the crankshaft thrust surfaces.

    Tighten
    Tighten the crankshaft bearing cap bolts to 95 N·m (70 lb ft).


    Object Number: 4332 Size: SH
  10. Measure the crankshaft end play at the front end of the rear crankshaft bearing with a feeler gauge.
    11. • The crankshaft should still be wedged forward.
    • The proper clearance is 0.0511-0.1780 mm (0.002-0.007 in).