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 LT, 1.2L ENG VIN PREPAIR AND DIAGNOSISGENERAL INFORMATIONSPECIFICATIONS INDEXCOMMON SPECS AND PROCEDURESCOMMON SPECS AND PROCEDURES INDEX
2025 Chevrolet Trailblazer LT, 1.2L Eng VIN P
Common Specs And Procedures Index
2025 Chevrolet Trailblazer LT, 1.2L Eng VIN PSECTION 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.