fits model: S10, 2wd, Blazer, Jimmy. make: Gmc. year: 1983–1987.

( Brand: Gmc Truck ), ( Manufacturer Part Number: S15PICKUP ), ( Part Type: Transmission ), ( Conditions Options: 2.8, Col, Rwd, At, 4x2 ), ( Genuine Oem: Yes ), ( Ipn: 400-02970a ), ( Year: 1986 ), ( Manufacturer Warranty: 90 Day )
The GMC 400-02970A Automatic Transmission is a high-performance unit specifically designed for 2WD applications in various GMC models from 1983 to 1987. This transmission fits perfectly for Blazer, S10, Jimmy, and S15 vehicles. The model number 25309422 is an alternative part number that you might come across during your search.
This transmission is part of the renowned TH700R4 family, known for its robustness and reliability. It features a 4-speed automatic overdrive system, ensuring smooth and efficient power delivery. The TH700R4 is capable of handling high torque loads, making it an ideal choice for vehicles with powerful engines.
The GMC 400-02970A transmission boasts a cast iron case for durability and heat resistance. It also includes a torque converter, a hydraulic pump, and a valve body, all essential components for the transmission's operation. The transmission is designed with a modern electronically controlled shift system, providing precise and responsive gear shifts.
This GMC transmission is a direct replacement for the original unit, making installation straightforward. However, it's always recommended to have your vehicle serviced by a professional mechanic to ensure the correct installation and setup. With proper maintenance, this transmission can provide reliable service for many years.
In summary, the GMC 400-02970A Automatic Transmission is a high-quality replacement for your 2WD GMC vehicle. Its robust construction, efficient power delivery, and advanced electronics make it a reliable choice for drivers seeking superior performance and reliability.
Pros of buying a GMC 400-02970A automatic transmission for 2WD Blazer, S10, Jimmy, and S15 models (1983-1987):1. Compatibility: The transmission is designed to fit various models within the specified year range, ensuring a good fit and function.
2. Availability: Being a popular model, it's relatively easy to find replacement parts and rebuild kits, making repairs and maintenance more accessible.
3. Durability: The TH700R4 transmission is known for its robustness and reliability, providing long-lasting performance.
4. Power Capability: This transmission is capable of handling a wide range of power levels, making it suitable for both stock and performance upgrades.
Cons of buying a GMC 400-02970A automatic transmission for 2WD Blazer, S10, Jimmy, and S15 models (1983-1987):1. Age: As a product from the 1980s, the transmission may have weathered wear and tear, leading to potential issues such as leaks, shifting problems, or other mechanical faults.
2. Manual Rebuild: While availability of rebuild kits is good, the process of rebuilding a transmission requires specialized tools and knowledge, which may not be within the skillset of all car owners.
3. Cost: The cost of purchasing a rebuilt transmission or the parts required for a DIY rebuild can be substantial, especially when considering labor costs if professional help is needed.
Conclusion:The GMC 400-02970A automatic transmission is a reliable and durable option for 2WD Blazer, S10, Jimmy, and S15 models (1983-1987). Its widespread compatibility and ease of finding replacement parts make it an attractive choice for many vehicle owners. However, the age of the transmission and associated costs may deter some from pursuing this option.
Recommendation:If you are considering purchasing this transmission, it's crucial to thoroughly research the specific condition of the unit you are considering. Consider the cost of repairs or rebuilding, as well as the time and effort required to perform these tasks. If you are unsure about your abilities to perform the necessary work, consider hiring a professional mechanic to ensure the job is done correctly. Overall, the GMC 400-02970A automatic transmission can be a solid investment for those with the right resources and knowledge.
Warranty does not cover negligence or abuse of unit. B R removes the pan and filters to each transmission in order inspect them. Small Parcel Shipping UPS/FedEx: Free shipping on all small parcel orders. Check with the dealer as components may be different.
It is required that you re-seal transmission and engine oil pans. IT IS required THAT YOU re-seal the transmission and engine oil pans.
We remove the oil pan and filter to inspect unit. Inspect and replace seals before installation if necessary. Residential delivery is not included in the free shipping. The torque converter must be properly seated and aligned to the front pump.
Timing components, injectors, oil cooler, thermostat, and water pump must be replaced. 90 Day Warranty!!, Donor Vehicle model: S15PICKUP Year: 1986 Mileage: not available or unknown Stock Number: RNE741 Notes: 2.8,COL,RWD,AT, 4X2. Inspected and replace seals before installation if necessary. BLAZER S10/JIMMY S15 83 AT; 4x2, 4-121 2.0L.
BLAZER S10/JIMMY S15 87 AT; 4x2, TH7 w/o auxiliary valve body. Verify and check fluid type, levels, viscosity requirements. Air bags must be installed and inspected by a factory trained certified technician.
Cooling lines must be flushed of debris before installing. S10/S15/SONOMA 87 AT; 4x2, TH7 w/o auxiliary valve body. B R cannot and will not guarantee miles. If heat tabs are melted or removed, warranty void.
The customer must replace seals, gaskets, and filters before installation. Transfer Case.