2019 Chevrolet Suburban 3500 HD Service and Repair Manual

This factory service and repair manual for the 2019 Chevrolet Suburban 3500 HD documents a flex-fuel truck. Its only engine is the naturally aspirated 6.0L overhead-valve V8 of 364 cubic inches, listed for flex fuel alone this year, and it powers a four-door sport utility built in LS and LT trim. Fuel composition drives what the engine controls must compensate for, so the fuel delivery, ignition and emissions diagnostics carry real weight here, ahead of the transmission, axle, chassis and body electrical material.

Engines covered

• 6.0L V8 (364 cu in) — OHV, naturally aspirated, flex-fuel

Body styles covered

• 4-door sport utility

Trims covered

• LS
• LT

Known issues on the 2019 Suburban 3500 HD. The manual is a reference for doing the work, and its coverage runs the length of the truck: engine mechanical procedures and their specifications, flex-fuel delivery and emissions diagnostics, automatic transmission and axle service, suspension, brake and steering procedures with the torque values each fastener takes, and the full set of wiring diagrams for the body and powertrain circuits.