A8 4.2tdi - D4 - suspension knocking

A8 4.2tdi - D4 - suspension knocking

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MOD500

Original Poster:

2,686 posts

249 months

Sunday 26th March 2017
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Hello All, car developed worsening knocking noise on front end. Car at dealer and said N/S front integral damper/air spring unit has failed internally and requires changing (under warranty, thankfully). I asked if O/S front damper would also be changed so 2x new dampers on front axle, seemed logical especially in light of 96k mileage, but dealer said no. Is it good practice to have new and old dampers on same axle? Thank you for help.

MOD500

Original Poster:

2,686 posts

249 months

Monday 10th April 2017
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Update - dealer changing front N/S damper and air spring unit only. Said Warranty Co wouldn't authorise O/S given isn't faulty or broken.

Car been at dealer 6 weeks today, quite disappointed taking so long. Said had to locate a special tool to do the work then procure Argon gas (?) to inflate the new suspension unit before removing shipping packaging. Car due for renewal in next 12 months and dubious will get another Audi after this episode with lead times, plus a 4 week stint at dealer in Dec for new water pump and thermostat under extended warranty. Just takes too long to fix stuff.

MOD500

Original Poster:

2,686 posts

249 months

Friday 21st April 2017
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Update - collected A8 on Tuesday after 7 weeks at main dealer. Appears suspension still knocking on O/S front, i.e the side where suspension not changed because dealer said wasn't faulty and so extended warranty wouldn't cover it. Am very disappointed with whole situation. Emailed dealer 2 days ago expressing extreme distaste and yet to receive a response.