Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2025TRAILBLAZER ACTIV, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONSPECIFICATIONS INDEXCOMMON SPECS AND PROCEDURESCOMMON SPECS AND PROCEDURES INDEX
2025 Chevrolet Trailblazer ACTIV, 4WD
Common Specs And Procedures Index
2025 Chevrolet Trailblazer ACTIV, 4WDSECTION Common Specs And Procedures Index
COMMON SPECS AND PROCEDURES
| SYSTEM | SPECIFICATION/PROCEDURE | |||
|---|---|---|---|---|
| Air Conditioning | ||||
| Service | Approximate Fluid Capacities | |||
| Torque | Fastener Specifications | |||
| Wheel Drive Shaft Nut | Front or Rear: First Pass: 150 N.m (111 lb ft) Second Pass: loosen 45 degrees Final Pass: 250 N.m (185 lb ft) |
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| Battery | Battery Electrical Drain/Parasitic Load Test | |||
| Brakes | ||||
| Bleeding Sequence | LEFT REAR, LEFT FRONT, RIGHT FRONT, RIGHT REAR Hydraulic Brake System Bleeding (Pressure) |
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| Disc Brakes | ||||
| Service Specifications | Disc Brake Component Specifications | |||
| Torque | Fastener Specifications | |||
| Charging | ||||
| Generator | Charging System Test | |||
| Torque | Fastener Specifications | |||
| Drive Belts | ||||
| Adjustment | Non-Adjustable Serpentine Belt | |||
| Drive Belt Routing | See Identifying Drive Belt Routing Figure Under: Accessory Drive Primary Belt Replacement 1.2L (LBP) , or Accessory Drive Primary Belt Replacement 1.35L (L3T) |
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| Engine Cooling | ||||
| General Service Specifications | Specifications | |||
| Radiator Cap Pressure | Radiator Surge Tank Cap Testing , or Pressure Cap Testing | |||
| Thermostat R & I | Engine Coolant Thermostat Replacement 1.2L (LBP) , or Engine Coolant Flow Control Valve Replacement 1.35L (L3T) | |||
| Water Pump R & I | Water Pump Replacement 1.2L (LBP) , or Electric Engine Coolant Pump Replacement 1.35L (L3T) | |||
| Engine Mechanical | ||||
| 1.2L | ||||
| Compression | Engine Compression Test | |||
| Oil Pressure | @ 2000 RPM 80°C - 100°C: 160 - 190 kPa (23.21 - 27.56 psi) @ 4000 RPM 80°C - 100°C: 320 - 400 kPa (46.41 - 58.02 psi) |
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| Overhaul | Engine Mechanical Specifications | |||
| Torque | Fastener Specifications | |||
| 1.35L | ||||
| Compression | Engine Compression Test | |||
| Oil Pressure @ 1500 RPM 20°C | @ Pressure Sensor Location: 125 - 185 kPa (18.13 - 26.83 psi) @ Oil Filter Adapter: 135 - 195 kPa (19.58 - 28.28 psi) |
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| Overhaul | Engine Mechanical Specifications | |||
| Torque | Fastener Specifications | |||
| Fluid Specifications | See FLUIDS under MAINTENANCE/FLUIDS tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button. | |||
| Flex Plate (1.2L - LBP) Torque | First Pass: 15 N.m (11 lb ft) Second Pass: 20 N.m (15 lb ft) Final Pass: 70 degrees |
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| Flex Plate (1.35L - L3T) Torque | First Pass: 15 N.m (11 lb ft) Final Pass: 75 degrees |
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| Fuel System | ||||
| Fuel Pressure Test Procedure | Circuit/System Verification 1.2L (LBP) , or Circuit/System Verification 1.35L (L3T) | |||
| Fuel Filter Location | Fuel Filter is Part of the Fuel Tank Fuel Pump Module | |||
| Fuel Filter R & I | Fuel Tank Fuel Pump Module Replacement 1.2L (LBP) , or Fuel Tank Fuel Pump Module Replacement (AWD) 1.35L (L3T) , or Fuel Tank Fuel Pump Module Replacement (FWD) 1.35L (L3T) | |||
| Ignition | ||||
| Firing Order & Cylinder Identification | Firing Order & Cylinder Identification | |||
| Ignition Wires (Resistance) | Individual Ignition Coil/Module Assemblies | |||
| Ignition Wires (Routing) | Coil On Plug | |||
| Spark Plug - For application, see parts catalog | ||||
| 1.2L | ||||
| Gap | 0.60 - 0.70 mm (0.024 - 0.028 in) | |||
| Torque | 16 N.m (12 lb ft) | |||
| 1.35L | ||||
| Gap | 0.65 - 0.75 mm (0.025 - 0.029 in) | |||
| Torque | 16 N.m (12 lb ft) | |||
| Starting | ||||
| Starter | Starter Replacement 1.2L (LBP) , or Starter Replacement 1.35L (L3T) | |||
| Torque | Fastener Specifications | |||
| Wheel Alignment | ||||
| Adjustment Specifications | Wheel Alignment Specifications | |||
| Torque | Fastener Specifications | |||
| Wheel & Tire | ||||
| Wheel Lug Nut Torque | 140 N.m (103 lb ft) For Lug Nut Tightening Sequence, Please See the Figure Under Installation Procedure |
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RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.