1. Product Overview
The Performance PFM-822740 Intake Manifold is a direct replacement component designed for specific Buick, Chevrolet, and GMC vehicle models. This kit includes the intake manifold, seals, sensor, gasket, and bolts necessary for installation. It is engineered to meet original equipment (OE) specifications for fitment and performance.
Image 1.1: Front view of the Performance PFM-822740 Intake Manifold, showing the throttle body opening, sensor, and included bolts.
2. Vehicle Compatibility
This intake manifold (PFM-822740) is compatible with the following vehicle models and years:
- Buick:
- Regal: 2011-2017
- Verano: 2012-2017
- LaCrosse: 2011-2016
- Chevrolet:
- Equinox: 2010-2017
- Captiva Sport: 2012-2015
- Malibu: 2013-2014
- Orlando: 2012-2014
- GMC:
- Terrain: 2010-2017
This part replaces OE part number 12637620. It is designed for vehicles with LEA Engine, VIN: K, FWD, and 6T40 Transmission FWD VIN LUK R, K LAF C, C, W configurations, including 4-cylinder and 6-cylinder 2.4L and 3.0L engines.
3. Installation Guidelines
Installation of an intake manifold requires specialized tools and automotive knowledge. It is highly recommended that this procedure be performed by a certified automotive technician. Improper installation can lead to vehicle damage or unsafe operating conditions.
3.1. Required Tools and Materials
- Socket wrench set
- Torque wrench
- Screwdrivers
- Gasket scraper or plastic razor blade
- Clean rags
- Safety glasses and gloves
- New coolant (if draining is required)
3.2. General Installation Steps (Consult Service Manual for Specifics)
- Safety First: Ensure the vehicle is parked on a level surface, the engine is cool, and the battery is disconnected.
- Access: Remove any components obstructing access to the intake manifold (e.g., air intake, throttle body, fuel lines, wiring harnesses).
- Drain Fluids: If the intake manifold contains coolant passages, drain the cooling system as per vehicle service manual instructions.
- Disconnect: Carefully disconnect all vacuum lines, electrical connectors, and fuel lines attached to the intake manifold. Labeling these connections can aid reassembly.
- Remove Old Manifold: Loosen and remove the intake manifold bolts in the reverse order specified by the vehicle service manual. Carefully lift and remove the old manifold.
- Clean Surfaces: Thoroughly clean the cylinder head mating surfaces, removing all traces of old gasket material. Ensure surfaces are smooth and free of debris.
- Install New Gaskets: Place the new gaskets (included in the kit) onto the cylinder head or new manifold, ensuring correct orientation.
- Position New Manifold: Carefully lower the new Performance PFM-822740 Intake Manifold into place, ensuring proper alignment with the gaskets and bolt holes.
- Install Bolts: Hand-tighten the new bolts (included in the kit) in the sequence specified by the vehicle service manual.
- Torque Bolts: Using a torque wrench, tighten the bolts to the manufacturer's specified torque settings and sequence. This is critical for proper sealing and preventing leaks.
- Reconnect Components: Reconnect all vacuum lines, electrical connectors, and fuel lines. Reinstall any removed components (throttle body, air intake, etc.).
- Refill Fluids: If drained, refill the cooling system and bleed air as per vehicle service manual instructions.
- Final Checks: Reconnect the battery. Start the engine and check for any leaks, unusual noises, or warning lights. Allow the engine to reach operating temperature and re-check for leaks.
Image 3.1: Bottom view of the intake manifold, highlighting the integrated green seals and ports that mate with the cylinder head.
Image 3.2: Close-up of the electrical connector on the intake manifold, which connects to the integrated sensor.
4. Operation
Once properly installed, the Performance PFM-822740 Intake Manifold functions as a critical component of your vehicle's engine air intake system. It is responsible for distributing the air-fuel mixture (or air in direct injection systems) evenly to each cylinder. The integrated sensor monitors air pressure or temperature, providing vital data to the engine control unit (ECU) for optimal engine performance and emissions control.
5. Maintenance
The intake manifold itself typically requires minimal direct maintenance. However, its longevity and proper function are dependent on the overall health of the engine and related systems.
- Regular Inspections: Periodically inspect the intake manifold and surrounding components for signs of cracks, leaks (coolant or vacuum), or loose connections.
- Gasket Integrity: Ensure the intake manifold gaskets remain sealed. Leaking gaskets can lead to vacuum leaks, rough idling, and reduced engine performance.
- Sensor Function: The integrated sensor should be checked during routine diagnostics if engine performance issues arise.
- Cleanliness: Keep the engine bay clean to prevent debris from accumulating around the manifold and potentially affecting seals or connections.
6. Troubleshooting Common Issues
If you experience issues after installation or during vehicle operation, consider the following common troubleshooting points. Always consult a qualified technician for diagnosis and repair.
| Symptom | Possible Cause | Action |
|---|---|---|
| Vacuum Leak / Rough Idle | Improperly seated gaskets, loose manifold bolts, cracked manifold, or disconnected vacuum lines. | Inspect all connections and manifold for damage. Re-torque bolts to specification. Check for proper gasket installation. |
| Check Engine Light (CEL) | Faulty integrated sensor, vacuum leak, or other engine system issues. | Scan for diagnostic trouble codes (DTCs). Diagnose based on codes. Check sensor connections. |
| Coolant Leak (if applicable) | Improperly sealed coolant passages in the manifold or gaskets. | Inspect for visible leaks. Ensure proper gasket installation and bolt torque. |
| Reduced Engine Performance | Significant vacuum leak, faulty sensor, or internal manifold obstruction. | Perform a thorough diagnostic check of the intake system and related sensors. |
7. Specifications
- Model Number: PFM-822740
- Brand: Performance PFM
- Color/Finish: Black
- Components Included: (1) Intake Manifold, Seals, Sensor, Gasket, Bolts
- Replaces Part Number: 12637620
- Item Weight: Approximately 8 ounces (0.5 Pounds)
- Product Dimensions: 5"L x 5"W x 1"H (Note: These dimensions seem unusually small for an intake manifold and may refer to packaging or a specific component. Refer to actual product for precise measurements.)
- UPC: 676327304628
8. Warranty and Support
8.1. Warranty Information
The Performance PFM-822740 Intake Manifold comes with a 1-year unlimited-mileage warranty. This warranty covers defects in materials and workmanship under normal use and service. For specific terms and conditions, please refer to the warranty documentation provided with your purchase or contact Performance PFM customer service.
8.2. Customer Support
For technical assistance, warranty claims, or general inquiries, please visit the official Performance PFM store or contact their customer support channels. You can find more information and products from Performance PFM by visiting their Amazon Brand Store.