Circuit/System Testing

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the ignition OFF, inspect the crankshaft balancer bolt for the proper torque. Refer to Fastener Tightening Specifications .
  2. Remove the exhaust CMP actuator solenoid. Refer to Camshaft Position Actuator Solenoid Valve Replacement .
  3. Connect a jumper wire between the high control circuit of the CMP actuator solenoid and battery voltage. Connect a jumper wire between the low reference circuit of the CMP actuator solenoid and a good ground. The pintle of the solenoid should move.
    • If the pintle inside the CMP actuator solenoid does not move, replace the CMP actuator solenoid.
  4. Inspect the exhaust CMP actuator for binding or being stuck.
  5. Inspect the engine for correct valve timing. Refer to Timing Chain, Sprockets, and/or Tensioner Replacement .
RENDER: 1.0x

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When to See a Mechanic

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

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