Engine Repair — Assembly Sequence (Audi A4 B5)

1. Before starting assembly, make sure you have all the necessary parts and tools. Read the assembly manual to familiarize yourself with the work ahead and make sure you have everything you need to do it. In addition to the usual materials, you will need an anaerobic thread locking sealant. A sufficiently large tube of the appropriate sealant will be needed for joining surfaces that fit together without gaskets. Use sealants recommended by Audi/VAG specialists; the list of necessary sealants is given in the text.

2. To avoid problems and loss of time, the engine assembly is carried out in the following order.

• a) Crankshaft (paragraph 13).
• b) Pistons with connecting rods (paragraphs 14 and 15).
• c) Oil pump (chapter 2A or 2B).
• d) Pallet (chapter 2A or 2B).
• d) Flywheel/faceplate (chapter 2A or 2B).
• e) Cylinder head (head 2A or 2B).
• g) Timing belt tensioner, sprockets and belt (chapter 2A or 2B).
• c) Intake and exhaust manifolds (see the relevant part of Chapter 4),
• i) Engine attachments (see list in paragraph 5 of this chapter).

3. At this stage, all engine components should be absolutely clean and dry, with any defects corrected. Lay out the components (by their containers) on a completely clean desktop.