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 SEDAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 13 (GENERAL, TECHNICAL DATA - ENGINE MECHANICAL - ENGINE CODE(S): CJAA (SPORTWAGEN))00 GENERAL, TECHNICAL DATASPECIFICATIONSENGINE DATA
2012 Volkswagen Jetta TDI, 4D Sedan, Standard Trans
Engine Data
2012 Volkswagen Jetta TDI, 4D Sedan, Standard TransSECTION Engine Data
WARNING: This page is about a different variant/trim than selected.
| Engine Codes | CBEA | CJAA | ||||
|---|---|---|---|---|---|---|
| Manufactured | From 04.08 | From 05.09 | ||||
| Emissions values | in accordance with | LEV 2 Standard | ULEV2 Standard | |||
| Displacement | liter | 2.0 | 2.0 | |||
| Output | kW at RPM | 103 at 4000 | 103 at 4000 | |||
| Torque | Nm at RPM | 320 at 1750...2500 | 320 at 1750...2500 | |||
| Bore | diameter mm | 81.0 | 81.0 | |||
| Stroke | mm | 95.5 | 95.5 | |||
| valves per cylinder | 4 | 4 | ||||
| Compression ratio | 16.5 | 16.5 | ||||
| Diesel fuel | in accordance with | ASTM D 975 Standard (1) | ASTM D 975 Standard (1) | |||
| Ignition sequence | 1-3-4-2 | 1-3-4-2 | ||||
| Balance shaft module | yes | no | ||||
| Nitrogen Oxide (NOx) reduction catalytic converter | yes | yes | ||||
| Reduction catalytic converter | yes | yes | ||||
| Exhaust Gas Recirculation (EGR) | yes | yes | ||||
| Turbocharger, Supercharger | Turbocharger | Turbocharger | ||||
| Charge air cooler | yes | yes | ||||
| Particulate filter | yes | yes | ||||
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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.