National 99162 Automatic Transmission Pinion Repair Sleeve - Front

Overview of National 99162 Automatic Transmission Pinion Repair Sleeve

The National 99162 Automatic Transmission Pinion Repair Sleeve is engineered for precision repair applications in select GM and Saab vehicles. Crafted from durable stainless steel, this repair sleeve ensures reliable performance and accurate fitment for transmission pinion shafts.

• Flanged outside diameter: 1.875 inches (47.63 mm)
• Installation depth: 0.813 inches (20.65 mm)
• Overall width: 0.688 inches (17.48 mm)
• Shaft size compatibility: 1.623 to 1.628 inches (41.22 to 41.35 mm)
• Width on shaft: 0.563 inches (14.3 mm)
• Material: corrosion-resistant stainless steel

Detailed Product Description and Specifications

The National 99162 repair sleeve is designed to restore the integrity of automatic transmission pinion shafts within a specific shaft size range of 1.623 to 1.628 inches. Its flanged outside diameter of 1.875 inches provides a secure seating surface, while the installation depth of 0.813 inches ensures proper engagement within the transmission assembly. The overall width of 0.688 inches and width on shaft of 0.563 inches contribute to a precise fit that maintains transmission alignment and function. Manufactured from stainless steel, this sleeve offers resistance to wear and corrosion, extending the service life of the transmission components.

Compatible Vehicles and Applications

This repair sleeve is compatible with a range of General Motors and Saab models, including but not limited to Chevrolet Blazer, C10, C1500, C2500, and C3500 series trucks and SUVs, GMC Jimmy and Suburban models, Cadillac DeVille and Eldorado, Oldsmobile Starfire, and Saab 900 and 9000 series. It is suitable for use in automatic transmissions requiring a pinion repair sleeve within the specified shaft dimensions.

Common Issues Addressed by the National 99162 Repair Sleeve

• Wear or damage to the transmission pinion shaft surface
• Excessive play or misalignment in the pinion gear assembly
• Corrosion or pitting affecting transmission performance
• Transmission noise or vibration related to pinion shaft wear
• Preventing further damage to transmission components by restoring shaft dimensions

Installation Notes and Tips

• Ensure shaft dimensions fall within the specified range (1.623 to 1.628 inches) before installation
• Clean the shaft and surrounding components thoroughly to remove debris and contaminants
• Use appropriate tools to press the sleeve evenly onto the pinion shaft without causing distortion
• Verify proper seating of the flange and sleeve depth to maintain transmission alignment
• Consult vehicle-specific service manuals for torque specifications and assembly procedures

Quality Assurance and Warranty Information

National manufactures the 99162 repair sleeve to meet industry standards for durability and precision. Constructed from stainless steel, this part is designed to resist corrosion and wear under normal operating conditions. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in product reliability.