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 MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 2 (ENGINE CONTROLS AND FUEL - 5.3L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSAIR CLEANER ASSEMBLY REPLACEMENTINSTALLATION PROCEDURE

2008 Pontiac Grand Prix Base

Installation Procedure

2008 Pontiac Grand Prix BaseSECTION Installation Procedure

WARNING: This page is about a different variant/trim than selected.

Fig 1: Lower Air Cleaner Housing

Courtesy of GENERAL MOTORS CORP.

Install the lower air cleaner housing by pushing the housing down into the 2 rubber grommets on the inner rail.
Install the TCM and the harness to the lower air cleaner housing.
Install the PCM and the harness to the lower air cleaner housing.

Fig 2: Upper Air Cleaner Housing

Courtesy of GENERAL MOTORS CORP.

Install the air inlet duct to the air cleaner assembly.

NOTE: Refer to Fastener Notice .

Tighten the air inlet duct clamp at the air cleaner assembly.
Tighten: Tighten the clamp to 3 N.m (27 lb in).
Install the upper air cleaner housing to the lower housing. Engage the tabs on the upper housing to the slots on the lower housing.
Connect the MAF sensor electrical connector.

Fig 3: View Of Positive Crankcase Ventilation (PCV) Clean Air Tube

Courtesy of GENERAL MOTORS CORP.

Connect the PCV tube to the air inlet duct. Refer to Plastic Collar Quick Connect Fitting Service .

Fig 4: Air Inlet Duct & Throttle Body

Courtesy of GENERAL MOTORS CORP.

Install the air inlet duct to the throttle body.
Tighten the air inlet duct clamp at the throttle body.
Tighten: Tighten the clamp to 3 N.m (27 lb in).
Install the left inner fender brace. Refer to Front Fender Upper Diagonal Brace Replacement .

RENDER: 1.0x

NO RELATED

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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.