TorqFix

Timing belt replacement: Saab 9-3 1.9 TiD (Z19DTH)

Step-by-step timing belt replacement for the Saab 9-3 1.9 TiD (Z19DTH): 77 steps. What to remove, in what order, and what to check after.

Timing belt renewal on the Saab 9-3 from model year 2003 with the 1.9 TiD 16V diesel, engine code Z19DTH. The engine cover, air filter, ancillary belt and crankshaft pulley come off, the engine is held on a support tool and the right-hand engine support and bracket are removed to reach the lower timing cover. The crankshaft is pinned at TDC and the camshaft is locked through the hole left by a blanking plug in the valve cover. On this engine the tensioner marks are aligned and held while the belt goes on, then the setting is checked again after turning the engine. Do the work cold, and expect to repeat it if either locking tool refuses to go back in.

77 steps 1 engine code

🧭 Before you start

Remove the engine cover, air filter, ancillary belt, crankshaft pulley and timing covers, support the engine and remove the right-hand mount and bracket. Pin the crankshaft at TDC and lock the camshaft through the valve cover. Fit the new belt, align and hold the tensioner marks, remove the tools, turn the engine and confirm the pins and marks again. Refit the plug, covers, supports, breather hose, pulley and belts in reverse.

Fits: platform codes 1.9, TID, 16V

  • Timing position: the crankshaft or camshaft is set and locked during this job
  • Special tools named: locking pin, locking tool

Don't miss

  • Set the belt only with the engine cold.
  • Refit the camshaft locking blanking plug in the valve cover afterwards.
  • Repeat the tensioning if the special tools do not fit after rotation.
  • Coolant pump renewal is recommended while the timing belt is off.
  • Lock the ancillary belt tensioner with its pin before removing the belt.

Written for this job from the workshop steps below · TorqFix editorial.

🔧 Engine codes this applies to

Z19DTH

📐 49 workshop diagrams for Z19DTH

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

9-3 my03 Z19DTH — Z19DTH · diagram 1
9-3 my03 Z19DTH — Z19DTH · diagram 2
9-3 my03 Z19DTH — Z19DTH · diagram 3
9-3 my03 Z19DTH — Z19DTH · diagram 4
9-3 my03 Z19DTH — Z19DTH · diagram 5
9-3 my03 Z19DTH — Z19DTH · diagram 6
9-3 my03 Z19DTH — Z19DTH · diagram 7
9-3 my03 Z19DTH — Z19DTH · diagram 8
+ 41 more diagrams
🔒 49 workshop diagrams for this job Ask about your Saab Z19DTH — free or sign up free to see the drawings

📋 Procedure

Preparation and removal

  1. Coolant pump renewal is recommended after timing belt removal
  2. Fit the special tool to support the engine
  3. Remove the ancillary drive belt
  4. Remove the oil pump attaching bolt
  5. Note: The engine must be cold before timing belt adjustment
Z19DTH? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Fit the crankshaft TDC locking pin
  2. Remove the engine cover
  3. Remove the right-hand engine support
  4. Remove the timing belt lower cover
  5. Remove the engine support bracket
  6. Remove the blanking plug from valve cover

Installation and checks

  1. Tighten the bolt slightly
  2. Align the marks on the tensioner
  3. Hold the tensioner pulley in this position
  4. Remove the camshaft locking tool
  5. Fit the camshaft locking tool
  6. Check the marks on the tensioner
  7. Until a click is heard
  8. Fit the crankshaft TDC locking pin
  9. Note: Repeat the procedure if the special tools do not fit properly
  10. Remove the special tools
  11. Refit the blanking plug
  12. Refit the timing belt covers
  13. Refit the crankcase breather hose
  14. Refit the engine support bracket
  15. Refit the engine support
  16. Refit the air filter
  17. Refit the engine cover
  18. Refit the ancillary drive belt idler pulley
  19. Fit the crankshaft pulley
  20. Fit the ancillary drive belt
  21. Remove the engine support tool
  22. Refit the engine lower cover
  23. Refit the inner wing splash guard
  24. Refit the front right wheel
  25. Reconnect the battery
Workshop diagrams

Ask TorqFix about your Saab Z19DTH — 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 Saab Z19DTH — free → or sign up free to see the drawings

Other SAAB 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

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Workshop data on this page last updated 20 Sep 2026.