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, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS AND FUEL - 1.35L (L3T) - SPECIFICATIONSSPECIFICATIONSFASTENER SPECIFICATIONS
2025 Chevrolet Trailblazer ACTIV, FWD
Fastener Specifications
2025 Chevrolet Trailblazer ACTIV, FWDSECTION Fastener Specifications
Single Use Non-Threaded Fasteners/Components
| Application |
|---|
|
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. |
| Camshaft Position Actuator Seal |
| Camshaft Position Sensor Seal |
| Engine Coolant Temperature Sensor Seal |
| Engine Oil Pressure Sensor Seal |
| Evaporative Emission Canister Purge Solenoid Valve Seal |
| Fuel Injector Nozzle Housing Seal |
| Fuel Injector Retainer Clamp |
| Fuel Injector Seal Ring |
| Fuel Pump Seal |
| Intake Air Pressure and Temperature Sensor Seal Ring |
| Positive Crankcase Ventilation Hose Fitting Seal |
| Positive Crankcase Ventilation Oil Separator Gasket |
| Positive Crankcase Ventilation Valve |
| Throttle Body Seal |
Single Use Threaded Fastener/Component Tightening Specifications
|
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. |
|
|---|---|
| Application | Specification |
| Metric (English) | |
| Fuel Feed Intermediate Pipe Nut | 30 N.m (22 lb ft) |
Reusable Threaded Fastener Tightening Specifications
|
NOTE:
All fasteners listed in this table can be reused after removal. |
|
|---|---|
| Application | Specification |
| Metric (English) | |
| Accelerator Pedal Position Sensor Fastener | 3.5 N.m (31 lb in) |
| Air Cleaner Upper Housing Bolt | 1.6 N.m (14 lb in) |
| Air Cleaner Outlet Duct Clamp | 3 N.m (27 lb in) |
| Camshaft Position Actuator Magnet Bolt | 8.5 N.m (75 lb in) |
| Camshaft Position Sensor Bolt | 8.5 N.m (75 lb in) |
| Charge Air Cooler Bolt | 3 N.m (27 lb in) |
| Charge Air Cooler Inlet Air Tube Bolt | 9 N.m (80 lb in) |
| Crankshaft Position Sensor Bolt | 8.5 N.m (75 lb in) |
| Engine Control Module Bracket Bolt | 9 N.m (80 lb in) |
| Engine Coolant Temperature Sensor | 9 N.m (80 lb in) |
| Engine Oil Pressure Sensor | 35 N.m (26 lb ft) |
| Engine Oil Temperature Sensor | 20 N.m (15 lb ft) |
| Evaporative Emission Canister Purge Pump Bolt @ Evaporative Emission Canister Purge Pump | 8.5 N.m (75 lb in) |
| Evaporative Emission Canister Purge Pump Bolt @ Evaporative Emission Canister Purge Pump Bracket | 1.8 N.m (16 lb in) |
| Evaporative Emission Canister Purge Solenoid Valve Bolt | 9 N.m (80 lb in) |
| Fuel Injection Fuel Rail Bolt | 36 N.m (27 lb ft) |
| Fuel Injection Fuel Rail Fuel Pressure Sensor | 32.5 N.m (24 lb ft) |
| Fuel Pump Bolt | 36 N.m (27 lb ft) |
| Fuel Pump Power Control Module Bolt | 9 N.m (80 lb in) |
| Fuel Pump Power Control Module Nut | 9 N.m (80 lb in) |
| Fuel Tank Filler Hose Clamp | 3.5 N.m (31 lb in) |
| Fuel Tank Filler Pipe Bolt | 9 N.m (80 lb in) |
| Fuel Tank Filler Pipe Ground Bolt | 9 N.m (80 lb in) |
| Fuel Tank Strap Bolt | 22 N.m (16 lb ft) |
| Heated Oxygen Sensor | 42 N.m (31 lb ft) |
| Ignition Coil Bolt | 8.5 N.m (75 lb in) |
| Intake Air Pressure and Temperature Sensor Bolt | 8.5 N.m (75 lb in) |
| Knock Sensor Bolt | 36 N.m (27 lb ft) |
| Mass Airflow Sensor Bolt | 1.3 N.m (12 lb in) |
| Oil Pump Flow Control Solenoid Valve Bolt | 8.5 N.m (75 lb in) |
| Spark Plug | 16 N.m (12 lb ft) |
| Throttle Body Bolt | 8.5 N.m (75 lb in) |
| Turbocharger Bypass Valve Solenoid Bolt | 9 N.m (80 lb in) |
| Turbocharger Wastegate Actuator Bolt | 9 N.m (80 lb in) |
| Turbocharger Wastegate Actuator Heat Shield Bolt | 9 N.m (80 lb in) |
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.