GMT900 (2007–2013) – NNBS Discussions

Stereo, Wiring & Electronics Head units, speaker installs, backup cameras, wiring repair, gauges, remote start, and electrical troubleshooting for GMT900 NNBS platforms. Interior Interior repairs and upgrades for 2007–2013 GMT900 NNBS Silverado, Sierra, Tahoe, Yukon, Suburban, Avalanche, and Escalade — dash cracks, door panels, seat swaps, gauge clusters, HVAC fixes, consoles, and interior lighting. Performance, Mods & Tuning Engine upgrades, bolt-ons, AFM/DOD discussions, headers, drivetrain mods, and tuning for GMT900 NNBS trucks. Technical & Maintenance Diagnostics, repairs, maintenance procedures, common failures, torque specs, and factory-service technical discussion for 2007–2013 GMT900 NNBS trucks and SUVs. Suspension, Wheels & Tires Lift kits, leveling kits, lowering setups, steering upgrades, and suspension builds for GMT900 NNBS platforms. Exterior Body panels, grilles, trim, bumpers, paint, styling, and exterior lighting upgrades for 2007–2013 GMT900 NNBS trucks and SUVs.

Topic	Views	Activity
About the GMT900 (2007–2013) – NNBS Discussions category GMT900 (2007–2013) – NNBS Discussions	3	February 10, 2026
GMT900 5.3 Exhaust Setups — MagnaFlow 5x8 14" Case on a 2007 Avalanche Performance, Mods & Tuning gmt900 , exhaust , 5-3 , magnaflow	11	May 31, 2026
Show Off Your NNBS Build! GMT900 Photo Thread Exterior	2	April 14, 2026
GMT900 Front End Clunk Fix: Ball Joints, UCAs & CV Axle Diagnosis Suspension, Wheels & Tires	3	April 14, 2026
6L80 Transmission Problems on GMT900: Common Failures & Fixes Technical & Maintenance	2	April 14, 2026
GM 5.3L Oil Consumption Issues (2007–2013): What You Need to Know Technical & Maintenance	4	April 14, 2026
How to Disable AFM/DoD on Your GMT900: Range Device vs Tune Technical & Maintenance	5	April 14, 2026
Best Speakers for GMT900 Silverado – Factory vs Aftermarket Stereo, Wiring & Electronics	6	April 12, 2026
GMT900 Amplifier Install – Wiring & Power Guide Stereo, Wiring & Electronics	2	April 12, 2026
Best Aftermarket Head Unit for GMT900 – Apple CarPlay Upgrade Stereo, Wiring & Electronics	4	April 12, 2026
Best WeatherTech vs Husky Liners for GMT900 – Comparison Interior	5	April 12, 2026
GMT900 Dashboard Crack Fix – Replacement vs Overlay Interior	3	April 12, 2026
Best Seat Covers for GMT900 Silverado – Top Picks Ranked Interior	9	April 12, 2026
Best All Season Tires for GMT900 2500HD – Ranked Suspension, Wheels & Tires	8	April 12, 2026
Biggest Tires on Leveled GMT900 1500 – What Fits Suspension, Wheels & Tires	7	April 12, 2026
StabiliTrak Error on GMT900 – Common Causes & Reset Technical & Maintenance	7	April 12, 2026
GMT900 Power Window Regulator Failure – DIY Replace Technical & Maintenance	3	April 12, 2026
P0521 Oil Pressure Sensor on GMT900 5.3 – Fix Guide Technical & Maintenance	4	April 12, 2026
GMT900 Torsion Bar Crank – Is It Safe? Suspension, Wheels & Tires	8	April 12, 2026
Best 4 Inch Lift for GMT900 Sierra – No Rubbing Suspension, Wheels & Tires	6	April 12, 2026
Leveling Kit on GMT900 1500 – Pros, Cons & Best Options Suspension, Wheels & Tires	5	April 12, 2026
Best Paint Protection for GMT900 Hood & Rockers Exterior	7	April 12, 2026
Silverado GMT900 Tailgate Cable Replacement – Quick Fix Exterior	5	April 12, 2026
GMT900 Rear Wheel Arch Rust – Early Signs to Watch For Exterior	5	April 12, 2026
Best Brake Controller for GMT900 Silverado Technical & Maintenance	4	April 12, 2026
Max Payload GMT900 1500 – What's Actually Safe? Technical & Maintenance	5	April 12, 2026
Towing Capacity GMT900 2500HD Duramax – Full Breakdown Technical & Maintenance	8	April 12, 2026
GMT900 4WD Transfer Case Problems – How to Diagnose Technical & Maintenance	2	April 12, 2026
6L80E Shudder Fix – GMT900 Common Issue Technical & Maintenance	15	April 12, 2026
6L80 vs 6L90 – Which Trans Did Your GMT900 Come With? Technical & Maintenance	4	April 12, 2026