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CYL-03, Cylinder Head Tightening Sequence and Torque Specifications
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When following the torque sequences below, wait approximately 15 minutes between torque steps. This allows time for the studs to stretch and settle completely before the next torque application.
| Vehicle | Engine Designator | Torque Specs |
| 944 (83-85.5) | M44 01-04 | Step 1: 20 Nm (15 ft-lbs) |
| - | - | Step 2: 50 Nm (37 ft-lbs) |
| - | - | Step 3: 90 Nm (66 ft-lbs) |
| - | ||
| 944 (85.5-87) , 924S (86-87) | M44 05-08 | Step 1: 20 Nm (15 ft-lbs) |
| - | - | Step 2: 50 Nm (37 ft-lbs) |
| - | - | Step 3: 90 Nm (66 ft-lbs) |
| - | ||
| 944 (85.5-88) , 924S (86-88) - with 12 mm high nuts | M44 05-10 | Step 1: 20 Nm (15 ft-lbs) |
| - | - | Step 2: 90° angle |
| - | - | Step 3: 90° angle |
| - | ||
| 944 (89) | M44 11-12 | Step 1: 20 Nm (15 ft-lbs) |
| - | - | Step 2: 60° angle |
| - | - | Step 3: 60° angle |
| - | ||
| 944 Turbo (86-89) | M44 51-52 | Step 1: 20 Nm (15 ft-lbs) |
| - | - | Step 2: 90° angle |
| - | - | Step 3: 90° angle |
| - | ||
| 944S (87-88) | M44 40 | Step 1: 20 Nm (15 ft-lbs) |
| - | - | Step 2: 90° angle |
| - | - | Step 3: 90° angle |
| - | ||
| 944 S2 (89-91), 968 (92-93), 968 CS (93) | M44 41,43,44 | Step 1: 20 Nm (15 ft-lbs) |
| - | - | Step 2: 60° angle |
| - | - | Step 3: 90° angle |
The 16V tightening sequence is slightly different than the sequence for the 8V heads. Refer to the 16V Cylinder Head and Head Gasket Removal and Installation procedure for the correct sequence.
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