Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROLS - 2.0L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSCAMSHAFT POSITION (CMP) SENSOR REPLACEMENTINSTALLATION 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 variant/trim than selected.

Fig 1: Locating #4 Piston On Compression Stroke

Courtesy of GENERAL MOTORS CORP.

Rotate the crankshaft until number 4 piston is at top dead center (TDC) on the compression stroke.
Refer to the crankshaft damper-to-front-cover timing marks.
Install the NEW camshaft position sensor housing seal.

Fig 2: Aligning Timing Mark On Housing With Timing Mark On Hex Shaft

Courtesy of GENERAL MOTORS CORP.

Align the timing mark on the housing with the timing mark on the hex shaft.

Fig 3: View Of Camshaft Position Sensor Housing

Courtesy of GENERAL MOTORS CORP.

Install the camshaft position sensor housing.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the camshaft position sensor housing studs.
Tighten: Tighten the camshaft position sensor housing studs to 22 N.m (16 lb ft).
Install the underhood junction block. Refer to Underhood Electrical Center or Junction Block Bracket Replacement in Wiring Systems.
Install the drive belt tensioner. Refer to DRIVE BELT TENSIONER REPLACEMENT - SUPERCHARGER .
Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.

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:

• 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.