fits make: Gmc. year: 1995–2008.

( Brand: Centric ), ( Manufacturer Part Number: GW138HZ ), ( Part Type: Brake ), ( Placement On Vehicle: Rear ), ( Manufacturer Warranty: 12 Month Warranty ), ( Info: Centric Premium Brake Drums ), ( Years: 2000 1999 1995 1996 1997 1998 2001 2002 2003 2004 2005 2006 2007 ), ( Fitment: Gmc W3500 Forward Brake Drum ), ( Cs Sku: 400 Gw138hz )
The GMC W3500 Rear Brake Drum, part number GW138HZ, is an essential component of the braking system for select GMC W3500 models produced between 1995 and 2008. This drum plays a crucial role in providing stopping power for the vehicle, allowing its passengers and driver to travel with confidence and safety.
Description:The GMC W3500 Rear Brake Drum, model GW138HZ, is a precision-engineered component that features a robust design to handle the demands of heavy-duty usage. Its smooth, cylindrical shape houses the brake shoes, internal expanding brake shoes, and the shoe return springs. The drum also has integral vents intended to improve cooling efficiency and reduce the likelihood of brake fade caused by excessive heat.
Functionality:The rear brake drum is responsible for transmitting the turning force of the brake shoes against the inside drum surface to slow down or stop the vehicle. When the brake pedal is pressed, the brake shoes--within the drum--press against the drum, causing friction and resistance, and thus, the vehicle slows down. By maintaining an optimally warm temperature, the drum plays a vital role in ensuring efficient and consistent braking performance.
Manufacturing and Construction:Each GMC W3500 Rear Brake Drum, part GW138HZ, is manufactured under stringent quality control measures and adheres to OEM specifications. It is typically made of a durable material like cast iron, ensuring average weights between 33.3 to 37.5 lbs (15.6 to 17 kg). The brake drums' construction is designed to ensure dependability and longevity.
Installation:When installing the new GMC W3500 Rear Brake Drum GW138HZ, the first step is to take off the wheel and drum assembly. The drum can then be removed from the axle, usually by disassembling the wheel cylinder and removing the brake shoes and brake lining from the drum. Once the new drum is installed, it is essential to bleed the brakes to ensure that air bubbles are eliminated from the brake system.
Conclusion:The GMC W3500 Rear Brake Drum GW138HZ is not just a replaceable part; it is a critical component that contributes to the overall functionality and reliability of the braking system in your vehicle. Regular maintenance, including drum replacement as needed, is essential to maintain the optimal performance and safety of your GMC W3500.
The GMC W3500 trucks, model years 1995 to 2008, utilize a rear brake drum system for applying the braking force to the wheels. Over time, these components may wear out and need replacement. In this context, we will examine the advantages and disadvantages of purchasing a new rear brake drum (GW138Hz) for your GMC W3500 and provide a final recommendation.
Pros:1. Improved Safety: A new rear brake drum ensures effective braking performance. Worn-out drums lead to longer stopping distances, reduced braking efficiency, and potentially hazardous situations.
2. Enhanced Durability: A new brake drum can provide better resistance to corrosion and wear and tear compared to an older one. This translates to increased longevity and reliability, translating to peace of mind for the vehicle owner.
3. Smoother Operation: New components often come with improved manufacturing techniques, which can result in smoother operation and potentially quieter braking.
Cons:1. Cost: Replacing a single rear brake drum component may entail a considerable expense, especially when factoring in labor costs from a shop.
2. Time Commitment: A brake drum replacement involves several steps, including removing the wheel, rotor, and other associated components. This process can take a few hours and requires specialized tools, potentially resulting in lost productivity.
Conclusion:In conclusion, purchasing a new rear brake drum (GW138Hz) for your 1995-2008 GMC W3500 offers advantages such as improved safety, enhanced durability, and smoother operation. However, it comes with some downsides, such as costs and time commitment. Ultimately, this decision comes down to the priority level of brake safety and upkeep for your vehicle. If you notice any signs of brake failure or suboptimal performance, it is essential to invest in a new rear brake drum to maintain the overall safety and reliability of your vehicle. Alternatively, if your budget is constrained, have the worn-out drum resurfaced instead. Regardless of that choice, conducting regular checks on your brake components and staying informed on their condition will help ensure both a safe and well-maintained vehicle.
2001 2008 GMC W3500 Forward DIESEL. 1995 - 2000 GMC W3500 Forward. 2001 GMC W3500 Forward GAS. Notes: Centric Premium Brake Drums. Position: Rear. Fit Notes: To 6/01. Vehicle Engine. New condition.