SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 357 (ENGINE MECHANICAL - 5.3L)REPAIR INSTRUCTIONSON-VEHICLE REPAIR INSTRUCTIONSENGINE FRONT COVER REPLACEMENT (FIRST DESIGN)INSTALLATION PROCEDURE
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Installation Procedure

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Installation Procedure
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
  • Do not reuse the crankshaft oil seal or front cover gasket.
  • Do not apply any type of sealant to the front cover gasket (unless specified).
  • The special tool in this procedure is used to properly center the front crankshaft front oil seal.
    • All gasket surfaces should be free of oil or other foreign material during assembly.
    • The crankshaft front oil seal MUST be centered in relation to the crankshaft.
    • An improperly aligned front cover may cause premature front oil seal wear and/or engine oil leaks.
    Fig 1: View Of Front Cover, Bolts & Gasket
    GM1411951Courtesy of GENERAL MOTORS CORP.
  1. Apply a 5 mm (0.20 in) bead of sealant GM P/N 12378577 or 12346141 (Canadian P/N 89022195) or equivalent 20 mm (0.80 in) long to the oil pan to engine block junction.
  2. Install the front cover gasket (503) and cover (502).
  3. Install the front cover bolts until snug (502). Do not overtighten.
  4. Install the oil pan-to-front cover bolts until snug. Do not over tighten.
    5. Fig 2: View of J 41476 Installed To Front Cover
    GM451712Courtesy of GENERAL MOTORS CORP.
  5. Install the J 41476  to the front cover. See Special Tools .
  6. Align the tapered legs of the J 41476  with the machined alignment surfaces on the front cover. See Special Tools .
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  7. Install the crankshaft balancer bolt until snug. Do not overtighten.

    Tighten: 

    • Tighten the oil pan to front cover bolts to 25 N.m (18 lb ft).
    • Tighten the engine front cover bolts to 25 N.m (18 lb ft).

  8. Remove the J 41476  . See Special Tools .
    9. Fig 3: View Of Crankshaft Oil Seal & Camshaft Position (CMP) Sensor
    GM1411952Courtesy of GENERAL MOTORS CORP.
  9. Install a NEW crankshaft front oil seal (140). Refer to Crankshaft Front Oil Seal Replacement .
  10. Install the coolant pump manifold. Refer to Coolant Pump Manifold Replacement (RPO LS4) in Engine Cooling.
  11. Inspect the CMP sensor O-ring seal (704) for cuts or damage. If the seal is not cut or damaged, it may be reused.
  12. Lubricate the O-ring seal with clean engine oil.
  13. Install the O-ring seal (704) onto the CMP sensor.
  14. Install the CMP sensor (703) and bolt (705) from the front cover.

    Tighten:  Tighten the bolt to 12 N.m (106 lb in).

  15. Position the belt tensioner and install the bolt.

    Tighten:  Tighten the bolt to 50 N.m (37 lb ft).

  16. Install the power steering pump. Refer to Power Steering Pump Replacement (LS4) in Power Steering System.
  17. Install the generator. Refer to Generator Replacement (RPO LS4) in Engine Electrical.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.