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 MANUALSVOLKSWAGEN1999PASSAT SYNCRO SEDAN (3B2) V6-2.8L (AHA)REPAIR AND DIAGNOSISDIAGRAMSEXPLODED VIEWSTIMING BELT
1999 Volkswagen Passat Syncro Sedan (3B2) V6-2.8L (AHA)
Timing Belt
1999 Volkswagen Passat Syncro Sedan (3B2) V6-2.8L (AHA)SECTION Timing Belt
WARNING!
^ Do not re-use fasteners that are worn or deformed in normal use.
^ Some fasteners are designed to be used only once, and are unreliable and may fall if used a second time. This includes, but is not limited to, nuts, bolts, washers, circlips and cotter pins. Always follow recommendations in this manual-replace these fasteners with new parts where indicated, and any other time it is deemed necessary by inspection.
1- Bolt
55 Nm (41 ft lb)
2- Tensioner for ribbed belt
Secure with 3204 before removing.
See Removing and installing ribbed belt. Service and Repair
3- Upper toothed belt guard, right
4- Toothed belt guard, center
5- Toothed belt
Mark direction of travel before removing
Check for wear
Do not kink
See Removing and installing. Procedures
6- Upper toothed belt guard, left
7- Bolt
25 Nm (18 ft lb)
8- Bolt
25 Nm (18 ft lb)
9- Washer
10- Bearing bushing
11- Tensioning roller for toothed belt
12- Tensioning lever
13- 0-Ring
14- Bolt
25 Nm (18 ft lb)
15- Bracket
16- Connection
17- Coolant pump
18- Oil pump
19- Cylinder head
20- Crankcase breather housing
21- Cylinder block
22- Bolt
45 Nm (33 ft lb)
23- Bracket
24- Oil pan
25- Idler roller
26- Bolt
45 Nm (33 ft lb)
27- Crankshaft sprocket
28- Bolt
Always replace
200 Nm (148 ft lb) + 1/2 turn (180°)
Oil threads
The additional 1/2 turn can be done in several stages
The turning angle can be checked with a commercial protractor e.g. Hazet 6690
29- Tensioner for toothed belt
30- Bolt
10 Nm (7 ft lb)
Install with -D6-
31- Fan pulley
32- Bolt
M8: 25 Nm (18 ft lb)
M6: 10 Nm (7 ft lb)
33- Toothed belt pulley guard
34- Bolt
10 Nm (7 ft lb)
35- Vibration damper
When installing note fixing arrangement
See Removing and installing ribbed belt. Service and Repair
36- Bolt
25 Nm (18 ft lb)
^ Do not re-use fasteners that are worn or deformed in normal use.
^ Some fasteners are designed to be used only once, and are unreliable and may fall if used a second time. This includes, but is not limited to, nuts, bolts, washers, circlips and cotter pins. Always follow recommendations in this manual-replace these fasteners with new parts where indicated, and any other time it is deemed necessary by inspection.
1- Bolt
55 Nm (41 ft lb)
2- Tensioner for ribbed belt
Secure with 3204 before removing.
See Removing and installing ribbed belt. Service and Repair
3- Upper toothed belt guard, right
4- Toothed belt guard, center
5- Toothed belt
Mark direction of travel before removing
Check for wear
Do not kink
See Removing and installing. Procedures
6- Upper toothed belt guard, left
7- Bolt
25 Nm (18 ft lb)
8- Bolt
25 Nm (18 ft lb)
9- Washer
10- Bearing bushing
11- Tensioning roller for toothed belt
12- Tensioning lever
13- 0-Ring
14- Bolt
25 Nm (18 ft lb)
15- Bracket
16- Connection
17- Coolant pump
18- Oil pump
19- Cylinder head
20- Crankcase breather housing
21- Cylinder block
22- Bolt
45 Nm (33 ft lb)
23- Bracket
24- Oil pan
25- Idler roller
26- Bolt
45 Nm (33 ft lb)
27- Crankshaft sprocket
28- Bolt
Always replace
200 Nm (148 ft lb) + 1/2 turn (180°)
Oil threads
The additional 1/2 turn can be done in several stages
The turning angle can be checked with a commercial protractor e.g. Hazet 6690
29- Tensioner for toothed belt
30- Bolt
10 Nm (7 ft lb)
Install with -D6-
31- Fan pulley
32- Bolt
M8: 25 Nm (18 ft lb)
M6: 10 Nm (7 ft lb)
33- Toothed belt pulley guard
34- Bolt
10 Nm (7 ft lb)
35- Vibration damper
When installing note fixing arrangement
See Removing and installing ribbed belt. Service and Repair
36- Bolt
25 Nm (18 ft lb)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.