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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Bumpers >> 63 Bumpers >> Rear Bumper >> Overview - Impact Member >> Overview - Impact Member A4 And A5

Overview - Impact Member A4 And A5

CAUTION:

There is a risk of explosions and fatal injuries due to damaged natural gas tanks.

- The natural gas tank must be checked for damage if components in the rear side or rear area are removed due to damage, such as the bumper cover, rear lid, underbody trim panels, longitudinal members, rear lid end piece, etc.

- Check for damage on fuel tanks. Refer to the appropriate information in FUEL TANK .

Fig 1: Impact Member A4 & A5
GWWA63-11047Courtesy of AUDI OF AMERICA, LLC
  1. Filler Piece
  2. Impact Member
  3. Bolt
    • 60 Nm +90°
    • Replace after removing.
    • Quantity: 4
  4. Impact Member
  5. Bolt
    • Tightening specification. Refer to Fig 2
    • Replace after removing.
    • Quantity: 3
  6. Foam Seal
  7. Nut
    • Tightening specification. Refer to Fig 2
  8. Socket
  9. Bolt
    • 3.5 Nm
    • Quantity: 2

Impact Member - Tightening Specification and Sequence 

Fig 2: Impact Member - Tightening Sequence
GWWA63-11214Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts and nuts gradually in the sequence shown.

Step Bolts/Nuts Tightening Specification/Additional Turn
1. -1- 55 Nm
2. -2 through 7- 50 Nm
3. -2 through 7- 45°