How to Replace Serpentine Belt 2004-2008 Pontiac Grand Prix 3.8L V6 @TRQ
How to Replace Serpentine Belt 2004-2008 Pontiac Grand Prix 3.8L V6  @TRQ
Uploaded August 2026 | Updated September 2026, 3 weeks ago
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This video shows you how to install a new serpentine belt from TRQ on your 2004-2008 Pontiac Grand Prix (3.8L V6). The serpentine belt delivers engine power to a number of your vehicle's critical accessories, like the alternator and water pump. Over time, the rubber belt can harden or crack and begin to slip or break. It's best to replace your serpentine belt at regular intervals.

Estimated installation time for a professional technician is approximately: 18 minutes

This repair was done on a 2005 Pontiac Grand Prix GT 3.8L Sedan 4-Door FWD Automatic and the process should be similar on the following vehicles:
2004 Pontiac Grand Prix
2005 Pontiac Grand Prix
2006 Pontiac Grand Prix
2007 Pontiac Grand Prix
2008 Pontiac Grand Prix

Tools you will need:
• Pry Bar trq.video/oaWM-1AXAA00020
• 15mm Wrench
• Gloves trq.video/oetn-1AXSS00048
• Safety Glasses

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⚠ DISCLAIMER:
While TRQ strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. TRQ is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.

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How to Replace Serpentine Belt 2004-2008 Pontiac Grand Prix 3.8L V6

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