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 MANUALSVOLKSWAGEN2003PASSAT SEDAN 4MOTION (3B3) W8-4.0L (BDP)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECAMSHAFT, ENGINE
2003 Volkswagen Passat Sedan 4Motion (3B3) W8-4.0L (BDP)
Camshaft, Engine
2003 Volkswagen Passat Sedan 4Motion (3B3) W8-4.0L (BDP)SECTION Camshaft, Engine
Cylinder bank 1
^ Before installing coat facing contact surfaces of bearing caps 7 and 8 lightly with grease G 052 723 A2.
^ Oil running surfaces of both camshafts.
^ Place respective camshaft carefully in camshaft bearings of cylinder head, observing camshaft identification.
Note: Observe installation position of bearing caps:
^ Points of bearing caps -A- of intake and exhaust camshafts face outward.
^ Identification on bearing caps is legible when read from the intake side.
A - Intake camshaft
^ Tighten bearing caps 3 and 7 alternately and diagonally to 5 Nm and 1/8 turn (45°) further.
^ Install bearing cap 5 and tighten to 5 Nm and 1/4 turn (45°) further.
^ Install bearing caps 1 and 9 and tighten to 5 Nm and 1/4 turn (45°) further.
B - Exhaust camshaft
^ Tighten bearing caps 4 and 8 alternately and diagonally to 5 Nm and 1/4 turn (45°) further.
^ Install bearing cap 6 and tighten to 5 Nm and 1/4 turn (45°) further.
^ Install bearing caps 2 and 10 and tighten to 5 Nm and 1/4 turn (45°) further.
Cylinder bank 2
^ Before installing coat facing contact surfaces of bearings 27 and 28 with grease G 052 723 A2.
^ Oil running surfaces of both camshafts.
^ Place respective camshaft carefully in camshaft bearings of cylinder head, observing camshaft identification, Refer to Intake/Exhaust Valve, Service and Repair, Valve Gear Servicing, See Fig 7.
Note: Observe installation position of bearing caps:
^ Points of bearing caps -A- of intake and exhaust camshafts face outward.
^ Identification on bearing caps is legible when read from the intake side.
A - Intake camshaft
^ Tighten bearing caps 23 and 27 alternately and diagonally to 5 Nm and 1/8 turn (45°) further.
^ Install bearing cap 25 and tighten to 5 Nm and 1/4 turn (45°) further.
^ Install bearing caps 21 and 29 and tighten to 5 Nm and 1/4 turn (45°) further.
B - Exhaust camshaft
^ Tighten bearing caps 24 and 28 alternately and diagonally to 5 Nm and 1/4 turn (45°) further.
^ Install bearing cap 26 and tighten to 5 Nm and 1/4 turn (45°) further.
^ Install bearing caps 22 and 30 and tighten to 5 Nm and 1/4 turn (45°) further.
RENDER: 1.0x
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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.