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 MANUALSVOLKSWAGEN2012JETTA TDI, 4D WAGON, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 38 (2.0L - COOLING SYSTEM - ENGINE CODE: CJAA (SEDAN))19 COOLING SYSTEMSPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2012 Volkswagen Jetta TDI, 4D Wagon, Standard Trans
Fastener Tightening Specifications
2012 Volkswagen Jetta TDI, 4D Wagon, Standard TransSECTION Fastener Tightening Specifications
WARNING: This page is about a different variant/trim than selected.
| Component | Fastener Size | Nm |
|---|---|---|
| 4/2-Way Valve with Thermostat to Cylinder Block Bolt | - | 15 |
| Connecting Piece to Cylinder Block Bolt | - | 15 |
| Coolant Fan to Fan Shroud Nut | - | 5 |
| Coolant Pump to Cylinder Block Bolt | - | 15 |
| Coolant Reservoir to Body Stud Bolt | - | 3 |
| Engine Pre-Heater Bracket to Engine Pre-Heater Coolant Pipe Bolt | - | 10 |
| Engine Pre-Heater Coolant Pipe to Charge Air Pipe Bolt | - | 10 |
| Fan Shroud to Radiator Bolt | - | 5 |
| Radiator Bolt | - | 5 |
| Ventilation Pipe to Intake Manifold Bolt | - | 10 |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.