LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.3L (On-Vehicle) >> Repair Instructions >> Camshaft Replacement >> Removal Procedure

Removal Procedure

  1. Disconnect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .
  2. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
  3. Remove the radiator. Refer to RADIATOR REPLACEMENT (2.2 L) or RADIATOR REPLACEMENT (4.3 L) .
  4. Remove the A/C condenser. Refer to CONDENSER .
  5. Remove the valve lifters. Refer to Valve Lifter Replacement .
  6. Remove the timing chain and the camshaft sprocket. Refer to Timing Chain and Sprockets Replacement .
  7. Remove the balance shaft drive gear.
    8. Fig 1: Balance Shaft Drive Gear
    G01661222Courtesy of GENERAL MOTORS CORP.
  8. Remove the camshaft retainer bolts and retainer.
    Fig 2: Camshaft Retainer & Bolts
    G01661223Courtesy of GENERAL MOTORS CORP.
    NOTE: All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft bearings.
  9. Remove the engine camshaft.
    1. 9.1. Install the three 5/16-18 x 4.0 inch bolts into the engine camshaft front bolt holes.
    2. 9.2. Using the bolts as a handle, carefully rotate and pull the engine camshaft out of the camshaft bearings.
    3. 9.3. Remove the bolts from the front of the engine camshaft.
    4. 9.4. Clean and inspect the camshaft and the bearings. Refer to CAMSHAFT AND BEARINGS CLEANING AND INSPECTION .
    Fig 3: Engine Camshaft & Bolts
    G01661224Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals