Sealing ring for exhaust camshaft, replacing
WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Special tools, testers and auxiliary items required
- Seal remover 2085
- Assembly tool 3066
- Assembly tool T10071
- Puller T40001
Special tools, testers and auxiliary items required
- Toothed Belt Tensioner T10020
- Locking Tool T40098
Removing
- Remove engine cover - arrows -.
CAUTION:
Cover cap of expansion tank with rag and open carefully, as hot steam or hot coolant may escape when opening.
- Open cap of coolant expansion tank.
- For vehicles with auxiliary heater, remove bolts - arrows - for exhaust pipe of parking heater/auxiliary heater on noise insulation.
- Loosen quick-release fasteners - 1 - and - 2 - and remove front noise insulation.
- Drain engine coolant → Cooling system, draining and filling
- Remove toothed belt → Toothed belt, removing and installing
- Loosen camshaft sprocket, using Retainer 3036.
- Remove camshaft sprocket using puller T40001 and claw T40001/6 and claw T40001/7.
- To guide seal puller, thread Adapter 2085/2 of seal puller 2085 into camshaft by hand up to stop.
- Remove inner portion of seal puller 2085 two rotations (approx. 3 mm) from outer portion and secure with knurled-head screw.
- Grease threaded head of seal puller 2085 , position and screw into oil seal as far as possible with forceful pressure.
- Loosen knurled bolt and turn inner part against camshaft until seal is removed.
- Secure seal remover in a vise at flat spots. Remove seal using pliers
Installing
- Do not oil sealing lip of sealing ring.
- Place Guide Sleeve T10071/1 from Assembly Tool T10071 on camshaft pin.
- Slide oil seal over guide sleeve onto shaft pin.
- Remove guide sleeve.
- Press sealing ring on as far as stop with Guide Sleeve T10071/3 and Screw T10071/4 from Assembly Tool T10071.
- Install camshaft sprocket.
- Note installation position: Thin rib of camshaft gear points outward - arrows - and TDC marking cylinder 1 is visible.
- Install bolt for camshaft sprocket using Retainer 3036.
NOTE:
- By turning the camshaft, the valves could contact the stationary pistons at TDC. Therefore, the pistons must not be at TDC. Valves/pistons may be damaged.
- Install toothed belt → Toothed belt, removing and installing .
- Install lock carrier with attachments →
- 50 BODY, FRONT
- 50 - BODY - FRONT for BODY EXTERIOR - CABRIOLET
- Place torque support stop onto rubber buffer for torque support under its own weight and tighten nuts - arrows -.
- Install front bumper cover →
- 63 BUMPER
- 63 - BUMPERS for BODY EXTERIOR - CABRIOLET
- Check headlight adjustment →
- 01 - MAINTENANCE
- 01 - MAINTENANCE for MAINTENANCE PROCEDURES - CABRIOLET
Torque specifications
| Component | Nm | |
|---|---|---|
| Camshaft sprocket to camshaft | 50 Nm + 180 ° 1) | |
| Torque support stop | 28 | |
|
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