
VW Group 1Engine — Cooling
1-A) Maintenance — Carburetion — Tuning
1-A-1) Petrol engines 2.5 - VR6 - V6

Service and maintenance T4 Petrol engine 2.5
Jul 2023
FR

Service and maintenance T4 Petrol engine VR6 & V6
Jul 2023
FR

T4 engine fault finding
1993
EN

Engine characteristics - maintenance
1993
EN

Basic testing
1993
EN

EGR system testing
1993
EN

Part numbers for EGR delete system
Jul 2026
FR

Injector operating characteristics
1993
EN

Digifant injection, 1993 to 1996 (Chassis P > T)
1993-1996
EN
1-A-2) Diesel - TDI engines

2.5 TDI performance upgrade (!!!! Caution !!!! all liability is declined !!!!)
FR

Tutorial - Fuel filter replacement
FR

Tutorial - Rear pollen filter replacement
Mar 2007
FR

Bosch VE Diesel pump technical handbook
FR

Bosch VE Diesel pump technical school document
FR

Bosch VE Diesel pump timing
FR
1-B) Mechanical repair
1-B-1) Petrol engines 2.5 - VR6 - V6

Repairs on T4 5-cylinder 2.5 engine
1993
EN

Engine overhaul procedures - General information
1993
EN
1-B-2) Diesel - TDI engines

Exploded view of crankshaft flange timing side - ETKA
EN · FR · DE

Exploded view of intake manifold - ACV engine - ETKA
1998
FR

ACV engine - View with component identification
DE

Tips for removing and refitting the 2.5 TDI engine
FR

RTA extract - Timing belt AAB engine
1990
EN

RTA extract - Timing belt AAB - AJA engine - Part 1
Feb 1995
EN

RTA extract - Timing belt AAB - AJA engine - Part 2
Feb 1995
EN

Tutorial - Timing belt replacement
Feb 1995
FR

RTA extract - Technical data sheets - Engines AAC - AAF - ACU - AET - APL - AVT - 1X - ABL - AAB - AJA - ACV - AUF - AJT - AYC - AHY - AXG
2002
FR

Turbocharger manual
FR

RTA extract - 4-cylinder Diesel engine
FR

RTA extract - 5-cylinder Diesel engine
FR

RTA extract - 4-cylinder Petrol engine
FR

RTA extract - 5-cylinder Petrol engine
FR

2010 NGK glow plug catalogue
2010
PT

Exploded view of 2.5 TDI injection pump
EN · FR · DE

RTA extract - Pierburg vacuum pump - Diesel engine
FR

Exploded view of EGR system - ETKA
1998
FR

Exploded view of short block with oil pan - ETKA
EN · FR · DE

SKF timing kit technical bulletin - Engines AJT - AYY - AXG - AXL - AHY - ACV - AUF - AYC
Feb 2013
FR

Tutorial - Engine oil change with oil filter replacement
FR

Tutorial - Diesel injector replacement, 5-cylinder engine
FR

Tutorial - Removing and cleaning the intake manifold
FR

Tutorial - Removing and cleaning the vacuum pump - 2.4 atmospheric Diesel engine
FR
1-C) Clutch
1-D) Cooling

VW Group 2Heating — A/C — Fuel — Exhaust
2-A) Heating — Ventilation

Heating system description
1993
EN

Exploded view of rear low ventilation system - ETKA
EN · FR · DE

Schematic of front ventilation system
DE

Schematic of rear ventilation system
DE
2-B) Auxiliary heating

Tutorial - Water auxiliary heater installation
FR

Installation and wiring diagrams - Eberspächer Hydronic M D 10 W
Dec 2004
FR

Installation and wiring diagrams - Eberspächer Hydronic D 3 W Z - T4 TDI from 1999 (chassis X)
Nov 2000
DE

Workshop manual - Fault finding Eberspächer B 3 LC / B 3 L P / D 3 L C / D 3 L P (Compact)
Jul 1999
FR

Workshop manual - Webasto HL 18 B / HL 18 D / Air top 18 D
Jan 1993
EN

Overhaul manual - Eberspächer D 3 W water heater
Mar 2006
FR

User manual - Eberspächer programmable timer (Mini clock)
EN

2006 Eberspächer water heater spare parts catalogue
2006
DE

Fault code list - Eberspächer D2H - D2W - D2I - D9W - S1 - S2 - S3 - S3a - S3L - S4 (Hydronic)
DE

User manual - Eberspächer programmable timer - 7D0963343 - 1J0963343 - 22 1000 31 10 00
Mar 1999
DE

User manual - Eberspächer programmable timer - 7D0963343 - 1J0963343 - 22 1000 31 10 00
Sep 1999
DE

Eberspächer heater fault diagnosis with timer 22 1000 30 34 00
DE
2-C) Air conditioning

A/C and heater system fault finding and repair procedures
1993
EN

A/C compressor oil check procedure and capacities
1993
EN

A/C compressor servicing
1993
EN

A/C system diagnosis
1993
EN

A/C system servicing
1993
EN

A/C system description
1993
EN

Rear A/C - Photo
DE
2-D) Exhaust

VW Group 3Transmission
3-A) Manual transmission

Vehicle removal - 02B manual gearbox - RTA extract
FR

Vehicle removal - 02B manual gearbox
1993
EN

Manual transmission service instructions
1993
EN

Wear diagnosis by observing gear tooth contact patterns
1993
EN
3-B) Automatic transmission

Vehicle removal - 098 automatic gearbox - RTA extract
FR

Vehicle removal - 098 automatic gearbox
1993
EN

Automatic transmission service instructions
1993
EN

Automatic transmission diagnosis
1993
EN
3-C) General documents
No documents available at this time.
3-D) Syncro specific

VW Group 4Front axle — Steering
4-A) Steering

Steering - RTA extract
FR

Steering column removal and refitting
1993
EN

Power steering removal and refitting
1993
EN
4-B) Front axle
4-B-1) Design and suspension

Front suspension and axle - RTA extract
FR

Front axle - RTA extract
EN

Front axle exploded view - ETKA
EN · FR · DE

Front axle overhaul
1993
EN

Ride height check
1993
EN

Front axle inspection guidelines
1993
EN
4-B-2) Front axle geometry
4-C) Front drive shafts

VW Group 4-5Chassis and suspension

VW Group 5Rear axle
5-A) Suspension
5-B) Syncro specific
No documents available at this time.

VW Group 6Brakes & Wheels
6-A) Brakes

Brake operation - RTA extract
FR

Mastervac cross-section with annotations
FR

Mastervac overhaul
FR

Brake system inspection and fault finding guide
1993
EN

Brake system operation
1993
EN
6-B) ABS

ABS operation
1993
EN

ABS inspection and fault finding guide
1993
EN

Precautions when working on ABS
1993
EN
6-C) Wheels

VW Group 7Controls & Cables
7-A) Manual transmission linkage and controls
7-B) Automatic transmission linkage and controls
No documents available at this time.
7-C) Handbrake control
7-D) Syncro specific

VW Group 8Bodywork
8-A) T4 vehicle

Bodywork - RTA extract
FR

Electric sunroof
1993
EN

Grille - RTA extract
EN

Front wings - RTA extract
EN

Sliding side door - RTA extract
EN

Front bumper - RTA extract
EN

Rear bumper - RTA extract
EN

Front doors - RTA extract
EN

Tutorial - Tailgate interior handle installation
Mar 2007
FR

Tutorial - Armrest repair
FR
8-B) Westfalia and Camper T4

VW Group 9Electrical
9-A) T4 vehicle

Electrical diagram legend and interpretation
FR

Complete T4 wiring diagram, petrol and Diesel, all options, chassis M (91) to chassis S (95)
1991-1995
FR

Complete T4 wiring diagram, petrol and Diesel, all options, chassis T (96) to chassis W (98)
1996-1998
FR

Complete T4 wiring diagram, petrol and Diesel, all options, chassis X (99) to chassis 2 (02)
1999-2002
FR
9-B) Westfalia and Camper
No documents available at this time.
9-C) Miscellaneous

VW Group 0Accessories
0-A) Tow bar
📖
ManualsUser manuals
📅
HistoryHistory

ReferenceIdentification & Codes
No documents available at this time.
📎
MiscellaneousMiscellaneous documents
Acknowledgments — To all who contributed to the writing of these documents,
for their excellent work, and for their help in publishing these documents.














































