Home / Chevrolet / Trailblazer / 2021 2021 Chevrolet Trailblazer Maintenance & Specs Everything you need to maintain your 2021 Chevrolet Trailblazer — oil specs, maintenance schedule, recalls, and more.
Oil Maintenance Fluids Parts Torque Value Costs Recalls TSBs The 2021 Chevrolet Trailblazer takes 0W-20 Full Synthetic with a total capacity of 5 quarts (filter included). Note: this vehicle has 4 active recalls — check the recalls section below. Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.
Data last verified: May 3, 2026
Quick DIY Tips for the 2021 Chevrolet Trailblazer Always use 0W-20 Full Synthetic as specified by Chevrolet — using the wrong viscosity can void your powertrain warranty. Check the maintenance schedule below for your next service interval.
Maintenance schedule Choose interval 5,000 miles 7,500 miles 10,000 miles 15,000 miles 20,000 miles 30,000 miles 50,000 miles 60,000 miles 90,000 miles 100,000 miles Select a mileage interval above to see scheduled maintenance items.
Safety recalls4 20V295000
General Motors LLC (GM) is recalling certain 2021 Chevrolet Trailblazer vehicles factory-equipped with optional 17-inch sport terrain tires. The certification label on these vehicles does not provide the tire size and cold tire pressure information for front and rear tires, as required. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard Number 110, "Tire Selection and Rims."
20V537000
General Motors LLC (GM) is recalling certain 2020 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles. The rear attachment bolts of one or both front seats may not have been installed.
20V588000
General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.
Show all 4 recalls
Technical Service Bulletins530 All categories ENGINE AND ENGINE COOLING EQUIPMENT ENGINE EQUIPMENT ADAPTIVE/MOBILITY AIR BAGS STRUCTURE POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) POWER TRAIN STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT ELECTRICAL SYSTEM FUEL SYSTEM, GASOLINE ENGINE AND ENGINE COOLING:COOLING SYSTEM ELECTRICAL SYSTEM:SOFTWARE POWER TRAIN:AUTOMATIC TRANSMISSION TIRES STRUCTURE:BODY PARKING BRAKE:ELECTRICAL EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR FUEL SYSTEM, DIESEL EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC. WHEELS ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR FUEL SYSTEM, OTHER VISIBILITY:GLASS, SIDE/REAR ELECTRICAL SYSTEM:PROPULSION SYSTEM BACK OVER PREVENTION:SOFTWARE SUSPENSION SUSPENSION:FRONT:MACPHERSON STRUT SERVICE BRAKES STEERING LANE DEPARTURE: LANE KEEP: STEERING ASSIST ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER PARKING BRAKE VEHICLE SPEED CONTROL EXTERIOR LIGHTING LATCHES/LOCKS/LINKAGES COMMUNICATION: VEHICLE TO INFRASTRUCTURE VEHICLE SPEED CONTROL:CRUISE CONTROL EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE VISIBILITY/WIPER ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:CONTROLS TIRES:SIDEWALL LANE DEPARTURE EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING LANE DEPARTURE: SENSING SYSTEM: OTHER COMMUNICATION:MANUFACTURER TELEMATICS UNKNOWN OR OTHER EQUIPMENT:ELECTRICAL VISIBILITY:SUN/MOON ROOF ASSEMBLY FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS SERVICE BRAKES, HYDRAULIC TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS BACK OVER PREVENTION VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM BACK OVER PREVENTION:DISPLAY FUNCTION SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR BACK OVER PREVENTION: SENSING SYSTEM: CAMERA VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW:ELECTRICAL HEATING ELEMENT ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER CHILD SEAT:LATCH ADJUSTER COMMUNICATION: AUTO CRASH NOTIFICATION ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM) FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL SEAT BELTS ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC) ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION EQUIPMENT:ELECTRICAL:INFOTAINMENT STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS SEATS FUEL/PROPULSION SYSTEM FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
PIP5692A ENGINE AND ENGINE COOLING 2020-04-30
The Preliminary Information communication advises the technician that there is a part restriction for the 1.2L LIH engine. The dealer technician is advised to call the GM Product Quality Center for further assistance.
PIP5691A EQUIPMENT 2020-04-30
The Preliminary Information communication advises the technician that there is a part restriction for the 1.3L L3T engine. The dealer technician is advised to call the GM Product Quality Center for further assistance.
20NA084 ENGINE 2020-04-06
This informational bulletin advises of normal engine noise produced by the engine.
Show all 530 TSBs(+527 more)
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