Parts for your 2003 Ford Falcon-Cv joint

2003 Ford Falcon CV Joint — What It Does and When to Service It

Based on technical references, a 2003 Ford Falcon BA sedan uses constant velocity (CV) joints on the rear drive half‑shafts as part of its independent rear suspension (IRS), there are no front CV joints because it’s rear‑wheel drive. The BA wagon and many utes of the same era run a live rear axle, so they don’t use rear CV joints. Sources: Ford BA Series Workshop Manual (2002–2005) — Rear Drive Axle and Halfshaft sections, Ford Microcat parts catalogue (BA) listing rear half‑shafts with inner/outer CV joints for sedans and solid axle parts for wagons/utes, Gregory’s/Max Ellery’s BA Falcon service manuals describing Control Blade IRS on sedans.

The CV joint on a 2003 Ford Falcon sedan keeps power flowing smoothly to the rear wheels while the independent rear suspension moves up and down. It lets the half‑shaft change angle without binding, so acceleration stays silky and tyre wear is kept tidy. Inner and outer CVs work as a pair: the inner handles plunge (in/out movement as the suspension compresses), while the outer copes with angular change at the hub. When they’re healthy, the driveline feels tight and drama‑free.

Most CV problems start at the rubber boot. If a boot splits, grease flings out and road grit sneaks in, chewing the joint out. Good servicing habits help heaps: during regular under‑car checks (say, each service or at least every 10,000–15,000 km), inspect both rear CV boots for cracks, tears, or grease spray. A quick wipe and a torch can save a costly shaft later. If a boot is damaged but the joint is quiet, a boot kit and fresh high‑moly CV grease often does the trick.

When replacement’s needed, owners can choose a complete half‑shaft assembly or a CV joint kit. A full shaft swap is quicker and often more reliable on higher‑kilometre cars. Use quality parts, replace circlips and seals that are disturbed, and follow the workshop manual for torque settings. It’s smart to check diff output seals, rear wheel bearings, and the big rear bushings while you’re there—worn bushes can mimic CV noises with a thud on take‑off.

Common signs it’s time to act include:

• Grease mist around the rear inner guards or suspension arms
• A click or clack when loading/unloading the driveline, or vibration under hard acceleration
• Shudder on take‑off that doesn’t feel like a tailshaft or diff bush issue

Driven sensibly and kept clean, BA Falcon rear CVs can run well past 200,000 km. Keeping boots intact and addressing any noise early will keep the sedan feeling tight and predictable on Kiwi and Aussie roads.

FAQs

Does a 2003 Ford Falcon have CV joints?
Yes—on BA sedans with independent rear suspension, there are inner and outer CV joints on each rear half‑shaft. Wagons and many utes of the same era use a live rear axle, so they don’t have rear CV joints. There are no front CVs because the Falcon is rear‑wheel drive.

How long do BA Falcon CV joints last?
With intact boots and quality grease, many see 150,000–250,000 km or more. The biggest killer is a split boot that lets grit in. Regular inspections and prompt boot replacement extend life significantly.

What noises point to a bad rear CV on a Falcon?
Look for clicking or clacking when loading the driveline, or a rhythmic vibration on acceleration. Note that thumps on take‑off are commonly worn diff bushes on BAs, so it pays to check those alongside the CVs.