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Parts for your 2009 Audi Q5-Control arms
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2009 Audi Q5 Control Arms
Control arms are absolutely used on the 2009 Audi Q5 (type 8R). Audi factory workshop information (Elsa/Erwin) and Audi Self-Study Programmes for the MLB platform describe a five‑link front axle with aluminium upper and lower control arms, and a multi‑link (trapezoidal) rear axle with additional control arms. Major OEM suppliers such as Lemförder and TRW catalogue complete arm sets and bushes for the 2009 Q5, which backs up the factory documentation.
On this Q5, the control arms locate each wheel, set camber and caster, and let the suspension move smoothly through its travel. They use a mix of ball joints and rubber‑hydraulic bushes to isolate noise and vibration while keeping the tyre flat on the road. That’s why fresh arms and bushes make the steering feel tighter, braking more stable, and tyre wear more even.
They’re not a scheduled replacement item, but they do cop a hard life. Aussie and Kiwi roads, heat, and the Q5’s weight can crack bushes and loosen ball joints over time. It’s smart to have them inspected at every service or at least every 20,000 km. Look and listen for these tell‑tales:
- Clunks over speed bumps or sharp turns
- Steering shimmy or vibration at 80–110 km/h
- Uneven or rapid inner‑edge tyre wear
- Pulling or instability under braking
- Split ball joint boots or perished bushes
When it’s time to replace, quality matters. The Q5 runs lightweight aluminium arms with torque‑to‑yield hardware, so new one‑time‑use bolts are required. Many techs fit complete arm assemblies rather than pressing bushes, because the new arm arrives with the bush and ball joint correctly positioned and saves labour. Replacing arms in axle pairs (left/right) keeps handling balanced.
Two critical tips: always torque the arm bolts at normal ride height so the bushes aren’t pre‑twisted, and book a four‑wheel alignment straight after. That protects the new bushes and restores geometry. If the vehicle has adaptive or load‑levelling features, follow the factory ride‑height setting procedure before alignment. With proper parts and setup, owners can expect 80,000–120,000 km or more from a set of arms, depending on driving and road conditions. Keeping tyres correctly inflated and avoiding kerb strikes will stretch that lifespan nicely.
Popular questions about 2009 Audi Q5 control arms
How long do the control arm bushes and ball joints typically last?
On a 2009 Q5, many see 80,000–120,000 km before noticeable wear, but city kerbs, rough chipseal, and towing can shorten that. Regular inspections catch small bush cracks or loose joints early, preventing tyre wear and brake‑shimmy issues.
Can just the bushes be replaced, or is a full arm better?
Both are possible. Pressing bushes is cheaper on paper but needs the right tooling and alignment marks. Because the Q5’s arms are aluminium and the ball joint is integral on several positions, most workshops prefer complete arms from an OEM brand to save time and avoid noise or geometry complaints.
Do you need a wheel alignment after control arm replacement?
Yes. New arms will change camber and caster slightly. A four‑wheel alignment, plus torquing the bolts at ride height, is essential to protect the bushes, keep the steering straight, and ensure even tyre wear.
