![]() For example, if your transfer case, differential component, or transmission has experienced submersion in water or another foreign fluid, your gear oil should be replaced. Other conditions that require a gear oil change can develop under unusual circumstances. However, this number is a maximum, and most manufacturers recommend changing your gear oil between 50,000 and 60,000 miles. In normal driving conditions, most cars can travel up to 80,000 miles before needing a gear oil change. If you regularly tow, drive in low traction conditions, or drive in mountainous regions, you will likely need to change your gear oil every 30,000 miles, or potentially even less. High stress driving will repeatedly increase the temperature of your transmission, eventually breaking down the stability of the gear oil in your car. This example also applies to transfer cases and differentials. By opting for a transmission remanufacture, the customer is assured the transmission is being repaired by absolute experts on that particular transmission and has been remanufactured to incorporate all design and component upgrades that weren’t available when it was originally manufactured. In this scenario, the transmission has been “rebuilt” – repairs have been made, bad parts have been replaced, but the unit has received few, if any, upgraded components.Ī remanufactured transmission is basically the same as a rebuilt transmission, but the work has been performed by a dedicated transmission repair facility or shipped to the original transmission manufacturing facility. Once completed, the transmission is reinstalled and the vehicle is ready to hit the road. Parts deemed worn or damaged are replaced with new or “used” components, and the unit is then reassembled. The mechanic inspects and cleans each and every transmission component and determines which parts are in working order, excessively worn, or just plain damaged beyond repair. There, the transmission is removed and worked on by a mechanic who completely disassembles the transmission all the way down to its component nuts and bolts. In most cases, a vehicle experiencing transmission problems is brought to an automotive repair shop. Units are shipped in high density plastic totes to help eliminate in-transit damage.First, let’s consider a rebuilt transmission.All transmissions are dynometer tested and ran through numerous real life scenarios.100 percent replacement of seals, bearings, and other common wear components.100 percent inspection of internal parts, including gear wear checks, mainshaft straightness test and synchronizer testing.Once you've seen it, you'll understand what we mean. This process is what brings all cases back to the OEM finish. All housings and top covers are cleaned utilizing our state of the art hydro blasting and rinsing process.All units are quality inspected throughout the remanufacturing process to maintain our quality standard.A final post-build inspection is done to ensure unit is built to our strict standards.A second inspection is conducted during the reman process to ensure all component parts meet OEM specifications.A pre-inspection is done to ensure the unit is free of case cracks, excessive wear and to catch other OEM related problems that many cores have.Quality inspections are conducted 3 times during the remanufacturing process.These processes are continuously reviewed to ensure the highest quality possible. Our ability to produce quality manual transmissions is due to the people and processes developed over the last 30 years. The result is obvious, Zumbrota Drivetrain delivers some of the most dependable remanufactured five speed, six speed and transaxle manual transmissions available. Zumbrota Drivetrain continues to focus directly on this segment of the market. We offer parts for a variety of makes and models of foreign and domestic passenger cars, SUV's and light duty trucks.Īs manual transmissions become a less popular option offered by most orginal equipment suppliers, many aftermarket remanufacturers have turned their attention to other volume based product lines. We offer a complete line of new, remanufactured, OE replacement and performance manual transmissions, Transfer cases, and differentials along with quality components for rebuilding and repair. Zumbrota Drivetrain has served a nationwide customer base for over 30 years. ![]() NV4500 Manual Transmission for GM 1999-2004 Pickup 4x4 5 Speed Expedited shipping not available on freight items. If you require shipping to Alaska or Hawaii, please contact us first before ordering for a quote. Important! Must ship to an address with either a loading-dock or fork-lift.
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