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.

2004 Chevrolet Monte Carlo LSFACTORY OEM SERVICE PROCEDURE

Installation Procedure

Install a new EGR valve gasket.
Install the EGR valve.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the EGR valve bolts.
Tighten: Tighten the bolt to 30 N.m (22 lb ft).
Install the EGR pipe to the EGR valve.
Install the EGR pipe.
Tighten: Tighten the bolt to 25 N.m (18 lb ft).
Connect the EGR valve electrical connector.

Fig 1: Installing EGR Valve

Courtesy of GENERAL MOTORS CORP.

Factory Service Tools

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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.