18 00 Exhaust Assembly
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Primary catalytic converter to turbocharger/or jacket pipe to catalytic converter | M57 / M57TU | M10 | 42 N.m | |
| M67 | 15 N.m | |||
| M30 / M70 | Tighten down compression spring with nut uniformly to full extent, then slacken by 1.5 turns | 10 N.m | ||
| M51 | Preload compression springs with nut to 27 +/- 1 mm | |||
| S50 | M10 | 30 N.m | ||
| S54 / ECE | M10 | 27 N.m | ||
| S54 / US | M10 | 24 N.m | ||
| 2AZ Exhaust pipe to flow section | E23 | 25 N.m | ||
| 3AZ Clamp for final muffler | All | M8 | 15 N.m | |
| 4AZ Catalytic converter on silencer | E36 / M42 / M43 / M44 | Version with compression spring: Evenly preload compression springs with nuts to 30 mm | ||
| 5AZ Connection of positive and negative leads to E catalytic converter | M73 | 5 N.m | ||
| 6AZ Rear muffler to intermediate muffler | E53 | M8 | 30 N.m | |
| 7AZ Vacuum tank to retaining plate | E46 / M54 | M8 | 10 N.m | |
| 8AZ Exhaust system to exhaust manifold | M40 / M42 / M43 / M44 | M10 | 45 N.m | |
| 9AZ Primary cat. to exhaust system | M57TU / E65 | 55 N.m |
18 00 EXHAUST ASSEMBLY TIGHTENING SPECIFICATION