4L60E TRANSMISSION INFO AND OVERVIEW

The 4L60E represents GM's evolution of the legendary 700R4, introducing electronic control to enhance shift quality and power management. This transmission, while often criticized in stock form for its limitations, becomes a formidable performance unit when properly built. Our experience spans thousands of builds, from mild street performance to full competition applications.

COMMON FAILURE POINTS (STOCK):
• 3-4 Clutch Pack
• Input Shaft
• Sun Shell
• Forward Drum
• Servo Assembly

PERFORMANCE SOLUTIONS:
Through extensive testing and track validation, we've developed three distinct build levels addressing these weaknesses. Each stage incorporates progressively stronger components.

KEY IMPROVEMENTS:
• Billet input shafts eliminate twist under load
• Carbon fiber bands provide superior holding power
• Updated valve body calibration for crisp shifts
• Heavy-duty servo assemblies prevent band failure

Schedule Diagnosis (Please Plan to leave Vehicle)

4L60E Automatic Transmission Rebuild (4L60)

  • 4L60E-transmission-rebuild-package-chevy-gm-automatic-transmission-service

    Carry Out 4L60E (No Torque Converter) $2,550 Starting Price

    4L60E Professional Rebuild

    ✅ Supreme Rebuild Package Includes:
    • Complete disassembly & multi-point inspection
    • New Z-pack clutch assemblies
    • Updated pressure switch manifold (PSM)
    • Latest-design TCC PWM solenoid
    • Heavy-duty 1-2 accumulator assembly
    • Hardened 300M input shaft
    • Reinforced 3-4 clutch pack with Kolene steels
    • Updated servo assembly
    • All new seals, bushings, and solenoids

    ✅ 12-Month/12,000-Mile Warranty
    • Covers all soft part components
    • Includes rebuild labor

    Additional:

    Custom Converter

    Additional Upgrades

    Fluid

    NC Taxes

    Please note if paying with a credit card 3.5% will be added to the final bill.

    Available Upgrades:
    • OEM-Spec Torque Converter: +$280
    • 5-Pinion Planet Upgrade: +$550
    • Stage 3 Package: +$1,250
    (Includes billet servo, HD sun shell, carbon bands)
    • Stage 4 Smart-Tech Package: +$1,800
    (Includes billet drum, carbon clutches, HD planetaries)
    • Custom Billet Components: Quote Required

  • 4L60E-transmission-complete-installation-service-professional-rebuild

    4L60E (TURN KEY) Complete Service Package - $2,850 Starting Price! We Remove, Rebuild, and Professionally Reinstall (with OEM Torque Converter & Fluid)

    Our flagship service includes professional removal and installation, premium synthetic fluid, complete vehicle integration, and thorough testing. This comprehensive package features our premium rebuild with converter, professional installation, all necessary parts and fluids, plus complete diagnostic testing. Each installation includes pan inspection at 12,000 miles and fluid level verification. Backed by our full 24-month/24,000-mile warranty covering soft parts, fluids, remanufactured torque converter, and all labor (build and installation).

    TURN-KEY INSTALLATION

    Additional:

    Custom Converter

    High Performance Upgrades

    Fluid

    NC Taxes

    Please note if paying with a credit card 3.5% will be added to the final bill.

    Available Upgrades:
    • OEM-Spec Torque Converter: +$150
    • 5-Pinion Planet Upgrade: +$550
    • Stage 3 Performance Package: +$1,250
    (Includes billet servo, HD sun shell, carbon bands)
    • Stage 4 Smart-Tech Package: +$1,800
    (Includes billet drum, carbon clutches, HD planetaries)
    • Custom Billet Components: Quote Required

    Compatible Vehicles:
    • Chevrolet: Silverado, Camaro, Corvette
    • GMC: Sierra, Yukon
    • Cadillac: Escalade
    • Pontiac: Trans AM
    • Chevrolet SUVs: Tahoe, Suburban

    ✅ Technical Note: The 4L60E uses electronic throttle position sensor (TPS) input rather than a TV cable for line pressure control, as verified by GM Service Manual.