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)
Battery  Battery Electrical Drain/Parasitic Load Test
Brakes 
Bleeding Sequence LEFT REAR, LEFT FRONT, RIGHT FRONT, RIGHT REAR
Hydraulic Brake System Bleeding (Pressure)
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)
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)
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)
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
Flex Plate (1.35L - L3T) Torque  First Pass: 15 N.m (11 lb ft)
Final Pass: 75 degrees
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
RENDER: 1.0x

NO RELATED

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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.