Accumulator, removing and installing: Removing

WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Discharge refrigerant circuit → Refrigerant R134a/Refrigerant Oil Capacities and Specifications .
Remove entire front bumper → 63 - BUMPERS for BODY EXTERIOR - CABRIOLET.
Move lock carrier to service position →
- 50 BODY, FRONT
- 50 - BODY - FRONT for BODY EXTERIOR - CABRIOLET
.
If applicable, remove charge air cooler/secondary air pump motor (not always necessary, depends on vehicle) →
- 21 - TURBOCHARGER, G-CHARGER for 1.8 LITER 4-CYL. 5V TURBO ENGINE MECHANICAL, ENGINE CODE(S): AMB
- 21 - TURBOCHARGER, G-CHARGER for 2.0 LITER 4-CYL. 4V TURBO ENGINE MECHANICAL, ENGINE CODE(S): BPG, BWT
and →
- 26 - EXHAUST SYSTEM, EMISSION CONTROLS for 1.8 LITER 4-CYL. 5V TURBO ENGINE MECHANICAL, ENGINE CODE(S): AMB
- 26 - EXHAUST SYSTEM, EMISSION CONTROLS for 2.0 LITER 4-CYL. 4V TURBO ENGINE MECHANICAL, ENGINE CODE(S): BPG, BWT
- 26 EXHAUST SYSTEM, EMISSION CONTROLS for 3.0 LITER 6-CYL. 5V ENGINE MECHANICAL, ENGINE CODE(S): AVK, BGN
- 26 - EXHAUST SYSTEM, EMISSION CONTROLS for 3.2 V6 4V ENGINE MECHANICAL, ENGINE CODE(S): BKH
- 26 - EXHAUST SYSTEM, EMISSION CONTROLS for 4.2 LITER V8 4V ENGINE MECHANICAL, ENGINE CODE(S): BNS
- 26 - EXHAUST SYSTEM, EMISSION CONTROLS for 4.2 LITER V8 5V ENGINE MECHANICAL, ENGINE CODE(S): BHF

Fig 1: Removing/Installing Bolts And Refrigerant Lines

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove bolts - A - and remove refrigerant lines - B - and - C -.

Fig 2: Identifying Bolts, Accumulator & Bolt

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove bolts - A -.
Remove lug at bracket for accumulator - B - from body.
Remove accumulator with bracket.
Loosen bolt - C - and pull accumulator out of bracket - D -.

NOTE:

Seal open line connections.
Connection of refrigerant lines differs depending on engine version .
Keep accumulator closed as long as possible. Only remove caps immediately prior to installation (accumulator contains a desiccant bag which soon becomes saturated with moisture and hence unusable after opening accumulator).