Volkswagen Jetta 2005–2007 Service & Repair Manual Set

The engine mechanical articles provide repair procedures, while the Generic Scan Tool articles add circuit tests and OBD fault isolation. Separate transmission, chassis, body and electrical publications extend the collection beyond engine diagnosis.

Application limits: Match each article to the vehicle’s platform, engine and transmission. The A4 publications cover their own applications, and the 2008 publication is limited to electrical component locations.

PDF Search, Bookmarks and Wiring Detail

Text search and diagram access: Most workshop text is searchable, but labels inside wiring diagrams and component photographs are not. The Generic OBD-II Trouble Codes PDF has no text search. The large A4 compilation has three broad part bookmarks; the other files have no embedded PDF bookmarks. Small wire-color and terminal labels in the 2001 and 2007 wiring files require zooming.

The ZIP contains 35 printable PDFs totaling 11,288 pages. This total includes one cover and three contents pages in the A4 compilation, plus the 60 pages in the two general supplements listed above.

Engine, Drivetrain and Vehicle-System Coverage

These selected coverage highlights outline the main workshop areas. Other included topics range from cabin-filter replacement to service-reminder resets.

• Engine mechanical: Engine removal, cylinder-head and valvetrain work, crankshaft and piston inspection, lubrication, cooling, turbocharger service and engine-specific timing-drive information.

• Diesel diagnosis: Turbocharger control, air-metering and temperature sensors, EGR circuits, fuel-system checks, J248 engine-control diagnosis and glow-plug testing.

• Gasoline diagnosis: Motronic fuel and ignition checks, EVAP testing, oxygen-sensor diagnosis, misfire monitoring and engine-to-transmission electrical checks.

• Transmission repair: Manual gearbox disassembly and adjustment, automatic-transmission valve-body service, DSG clutch work, selector repairs and fluid-level procedures.

• Brakes and running gear: ABS/ESP components, caliper service, hydraulic leak testing, brake bleeding, wheel bearings, suspension repair, alignment and electromechanical steering.

• Body and climate systems: Exterior and interior removal procedures, restraint-system service, collision-repair dimensions, panel replacement, Climatic/Climatronic systems and refrigerant-circuit diagnosis.

• Electrical systems: Starter and generator service, wiring-harness repairs, control-module locations, communication equipment and separate system wiring diagrams.

The diagnostic and internal repair procedures suit technicians and experienced owners equipped for scan-tool and connector-level testing. Pyrotechnic belt-tensioner work is reserved for qualified personnel.

Engine Mechanical Work and Service Planning

The BRM mechanical article contains step-by-step procedures for engine removal, toothed-belt removal and tensioning, cylinder-head work, pump-injector removal and installation, and tandem-pump testing. Lubrication and cooling chapters add component inspection, pressure checks and removal procedures.

The turbo gasoline article covers BPY/BWA engine mechanical work, fuel-pressure testing and high-pressure-pump removal. The BGP/BGQ article includes timing-chain assembly views, engine internals and variant-specific fuel and emissions components. Its BTK material is confined to identified EVAP and exhaust sections.

Together, the mechanical and diagnostic articles let the reader distinguish a component-circuit investigation from the associated removal or mechanical repair work before selecting the required tools.

Diesel Sensor, Fuel and Engine-Control Diagnosis

Air management: Tests address N75 turbocharger regulation, G31 charge-air pressure, G70 mass airflow, G42 intake-air temperature, V157 intake-flap operation and G79/G185 accelerator-pedal inputs.

Fuel and emissions: Coverage includes G40 camshaft and G28 engine-speed signals, G62/G83 coolant-temperature inputs, the G39 heated oxygen sensor, N18 EGR regulation, N345 cooler switching and EGR vacuum testing.

Separately labeled injection-pump sections cover G80 needle lift, N108 cold-start control, N109 fuel shutoff, G81 fuel temperature, G149 modulating-piston displacement and N146 quantity adjustment, together with injector bench pressure and leak checks. These sections must be matched to the installed fuel system.

Control-module checks: J248 diagnosis includes J317 power-supply relay checks, VAG1598 test-box adapter use, ECM replacement access, speed-signal checks, glow-plug circuits, J179 automatic glow control and CAN resistance testing. Connector tables identify T60, T94 and T121 circuit references for tracing component wiring to the control module.

Generic OBD coverage includes Modes 01, 02, 03, 04, 06, 07 and 09, readiness generation, MIL/EPC behavior, stored operating conditions, monitor Test-IDs and calibration identification. The diesel diagnostic article lists 86 SAE P0xxx, P1xxx and P2xxx fault codes with associated checks and monitoring criteria.

Transmission and Chassis Repair Depth

The 0A4 and 02Q manuals include gearbox disassembly, shaft work, selector mechanisms, differential adjustment and shim selection. The 09G article addresses transmission removal, torque-converter handling, ATF checks, the strainer and valve body. The 02E publication covers clutch removal and installation, oil-pump service, selector work, and oil/filter replacement.

The diesel diagnostic article’s 01M electrical section checks F125 range selection, G38/G68 speed signals, G93 fluid temperature, valve-body solenoids, J217 control-module supply and TCM-to-ECM CAN connections. A separate 01M publication adds internal clutch, pump and differential repair; the A4 09A manual provides its own disassembly and clutch-service material.

Brake procedures distinguish caliper and PR-code applications. Suspension coverage extends to drive axles, wheel bearings, alignment and steering-gear service.

Body, HVAC and Electrical Reference Material

Collision-repair material includes body dimensions, alignment equipment, strengthened-panel construction and panel replacement. Exterior and interior articles cover doors, glazing, sunroof components, trim, seats, airbags and seat belts, with separate sedan and wagon procedures where identified.

Climatic and Climatronic sections cover controls, flap motors and HVAC component removal. The R134a publication adds leak detection, refrigerant-circuit pressure diagnosis, flushing and service-equipment information.

The diesel diagnostic article has 80 numbered figures. Examples include the G31 connector, G70 terminal views, G28 pinout, G81 temperature/resistance graph and J217 multi-pin connector. Separate wiring files add system circuits, including power distribution; the diagnostic illustrations are credited to Volkswagen United States, Inc.

Connector and DSG Service Cautions

Improvised back-probing can spread connector terminals and damage connected components. The electrical procedures specify suitable test leads and ignition-off handling of injection and glow-plug wiring to protect J248.

The 02E manual warns that changing the relative positions of balanced clutch components can cause imbalance, reduced shift quality and shortened service life. Fuel-system sections also address pressure release and contamination control, while transmission electrical work includes precautions against electrostatic discharge.

Selected BRM Compression-Test Limits

For the BRM engine, the mechanical article lists 25–31 bar compression pressure for a new engine and a 19 bar wear limit, with engine oil at least 30 °C. The permitted difference between cylinders is 5 bar. These specifications accompany the compression-test procedure using V.A.G 1763 and adapter V.A.G 1381/12.