2025 Chevrolet Tahoe Service and Repair Manual

Reshaped front styling, new lighting animations and a cabin rebuilt around a standard 17.7-inch touchscreen mark the first big update to this Tahoe generation for 2025. The 3.0L Duramax diesel inline-six is now the stronger LZ0, and for the first time it can be ordered on the Z71, with the 5.3L and 6.2L V8s carried over. Retail LS, LT, RST, Z71, Premier and High Country models sit alongside Commercial, PPV police and SSV special-service versions. This service and repair manual covers the refreshed truck with procedures, specifications, torque values, wiring diagrams and diagnostics for civilian and fleet equipment.

Engines covered

• 5.3L V8 — OHV, naturally aspirated, gasoline
• 6.2L V8 — OHV, naturally aspirated, gasoline
• 3.0L inline-six — DOHC, turbocharged, diesel

Body styles covered

• 4-door sport utility

Trims covered

• Commercial
• High Country
• LS
• LT
• PPV
• Premier
• RST
• SSV
• Z71

Known issues on the 2025 Tahoe. One recall is on federal record: on vehicles with 24-inch wheels, incorrect front wheel hub bolts may have been installed and can loosen or deform over time. Owners have lodged 48 complaints, most often against the engine, forward collision avoidance, the service brakes and the electrical system. Hub, brake and engine procedures, with their torque values and diagnostic steps, are all in this manual.