TorqFix

Checking valve timing, vehicles without adjustable exhaust camshaft — VW

Checking valve timing, vehicles without adjustable exhaust camshaft on VW: 30 steps, 2 torque figures, engines CZCA, CZDA, CZDB, CZTA.

Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.

30 steps 4 engine codes 2 torque figures engine codes and torque figures merged from 2 documented variants

🧭 Before you start

Fits: VW Jetta VI (16, 2010–2018); platform codes AV3, AY3

  • Opens: coolant
  • Timing position: the crankshaft or camshaft is set and locked during this job
  • Special tools named: T10527/1
  • Renewed: o-ring of plug

Don't miss

  • Turn the crankshaft in the normal direction of rotation until the piston in cylinder 1 shows "“BDC”".
  • Locking pin T10340 locks crankshaft in direction of engine rotation only.
  • Renew bolts that are tightened with specified tightening angle.Renew O-ring of plug if damaged.

🔧 Engine codes this applies to

CZCACZDACZDBCZTA

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

TorqueFastener / step
30 Nm (22 lb-ft)Screw locking pin as far as stop into cylinder block, and tighten it
30 Nm (22 lb-ft)Screw locking pin into cylinder block as far as stop, and tighten it

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📐 6 workshop diagrams for CZCA

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

Checking valve timing, vehicles without adjustable exhaust camshaft — CZCA · diagram 1
Checking valve timing, vehicles without adjustable exhaust camshaft — CZCA · diagram 2
Checking valve timing, vehicles without adjustable exhaust camshaft — CZCA · diagram 3
Checking valve timing, vehicles without adjustable exhaust camshaft — CZCA · diagram 4
Checking valve timing, vehicles without adjustable exhaust camshaft — CZCA · diagram 5
Checking valve timing, vehicles without adjustable exhaust camshaft — CZCA · diagram 6
🔒 6 workshop diagrams for this job Ask about your VW CZCA — free or sign up free to see the drawings

📋 Procedure

  1. Loosen hose clips (1, 2) and remove air pipe.
  2. Move air hoses clear at air pipe.
  3. Open hose clips (arrows) and detach air duct (1).
  4. Detach connector from charge pressure senderGX26.
  5. Release fasteners (arrows) using release tool T10527 and T10527/1.
CZCA? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Remove air pipe (1).
  2. Press release tabs and disconnect hose (1) for activated charcoal filter.
  3. Unscrew bolts (arrows) and pull off crankcase breather hose.
  4. Lay wiring harness to one side (arrows).
  5. Unscrew bolts (1, 3) and remove cover (2) for toothed belt for coolant pump.
  6. Unscrew bolts (arrows) and detach sealing cap (1).
  7. Separate plug-in connectors from fuel hose and from hose to activated charcoal filter 20plug-in connectors; Separating plug-in connectors.
  8. Release hoses from retainer (3) and lay them to one side.
  9. Remove bolt (2).
  10. Release clips (arrows) and detach upper toothed belt guard (1).
  11. Remove noise insulation General body repairs, exterior66Noise insulation; Assembly overview - noise insulation.
  12. Drain coolant .
  13. Unscrew bolts (A ... D), and push cover (1) for thermostat to one side.
  14. Remove ignition coil 1 with output stage N70 and the spark plug cylinder 1 .
  15. Insert a screwdriver with a shaft length of at least 250 mm into spark plug hole so that it contact piston crown.
  16. Turn the crankshaft in the normal direction of rotation until the piston in cylinder 1 shows "“BDC”".
  17. Turn the crankshaft further, until the screwdriver has moved (30 mm) in the (direction of the arrows)
  18. Unscrew plug for "“TDC”" hole in cylinder block.
  19. Screw locking pin T10340 as far as stop into cylinder block, and tighten it to 30 Nm. — 30 Nm (22 lb-ft)
  20. Rotate crankshaft in normal direction of rotation as far as stop. [Note: Locking pin T10340 locks crankshaft in direction of engine rotation only.] [Note: The camshaft clamp T10494 must slide into position easily.Do not knock camshaft clamp into place with any kind of tool.]
  21. Use assembly tool T10487 to push against toothed belt in direction of (arrow).
  22. Insert camshaft clamp T10494 as far as stop into camshaft.
  23. Tighten bolt (arrow) by hand.
  24. Adjust valve timing: removing toothed belt from camshafts .
  25. Valve timing is OK. [Note: Renew bolts that are tightened with specified tightening angle.Renew O-ring of plug if damaged.]
Workshop diagrams

Ask TorqFix about your VW CZCA — it answers with the exact sequence for that engine and the workshop drawing for each step. First question is free after a 20-second sign-up, no card.

Ask about your VW CZCA — free → or sign up free to see the drawings

Other VW procedures

Who makes these pages, and how

TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com

The story behind TorqFix →

Workshop data on this page last updated 20 Sep 2026.