LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2021 >> Trailblazer ACTIV, FWD >> Labor Times >> Other Variant >> Engine Mechanical >> Mechanical >> Short Block >> Remove & Replace
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Short Block: Remove & Replace

WARNING: This page is about the Trailblazer L, which is a different variant/trim than selected.
Consists of a Cylinder Block fitted with Pistons, Rings, Connecting Rods, Crankshaft, all Bearings and the following (where applicable): Camshaft(s), Timing Chain or Belt and Sprockets or Gears. Includes: Grind Valves, clean and transfer Cylinder Head(s), Fuel and Electrical Assemblies, Engine Mounts, Manifolds, Valve Cover(s), Oil Pan, Oil Pump, Timing Cover(s), Timing Components, Water Pump, Clutch Assembly and Flywheel. Adjust Valves.

Applies ToNoteStandard HoursWarranty HoursSkill Level
1.2L EngIncludes: R&I Air Cleaner. Includes: R&I Battery and Tray. Includes: R&I Air Conditioning Compressor. Includes: R&I Muffler. Includes: R&I Subframe Assembly. Includes: R&I Axle Shafts. Includes: R&I Engine and Transmission Assembly. Includes: Reset Timing Belt Life Monitor Includes: Reset Oil Life Monitor. Includes: Drain and refill Cooling System. Includes: Drain and refill Transmission Fluid. Includes: Confirm Fluid temperature for level check. DOES NOT include Air Conditioning System recover, evacuate and recharge. DOES NOT include wheel alignment.21.6A