Parts for your 2017 Subaru Forester-Cv joint

2017 Subaru Forester CV joint — what it does and how to look after it

Yes, a CV joint is absolutely used on the 2017 Subaru Forester. Technical references including the Subaru Factory Service Manual for the SJ-series Forester (Front Axle and Rear Axle sections), the Subaru genuine parts catalogue (listing complete front and rear drive shafts/CV axle assemblies for 2017 Forester models), and independent repair guides such as the Haynes Forester 2014–20 manual all describe the vehicle’s front and rear drive shafts with outer constant velocity (ball/Rzeppa) joints and inner plunge/DOJ-type joints. Being an AWD with independent suspension, the Forester relies on CV joints at each axle to deliver power smoothly while the wheels turn and move up and down.

The CV joint’s job is to transfer torque at a constant rotational speed regardless of steering angle or suspension travel. The outer joint handles steering angles, the inner joint allows in‑out “plunge” as the suspension works. When these joints are sealed by intact rubber boots and kept packed with quality moly grease, they run quietly and last a very long time.

As part of regular servicing, it pays to inspect all four CV boots every 10,000–15,000 kilometres. Look for perished rubber, splits, or grease flung around the inner wheel, strut, or underbody. Common warning signs include clicking on full lock, a rhythmic clack during low‑speed turns, shudder under acceleration, or vibration that changes with road speed.

• Act fast if a boot tears: re‑booting and re‑greasing can save the joint if it hasn’t run dry or ingested grit.
• If there’s clicking or visible wear, replacing the complete shaft (CV axle assembly) is usually the most reliable fix.
• Use new hardware (axle nut, circlip), correct high‑moly CV grease, and follow the Subaru torque/staking procedure from the FSM.

Workshop tips for the Forester: support the knuckle so the inner joint isn’t over‑extended, protect the transmission/diff oil seals, check for play in wheel bearings while you’re there, and verify ABS tone rings/sensors are clean. A wheel alignment isn’t typically required unless the strut-to-knuckle bolts are loosened. Labour is commonly 1–2 hours per side depending on corrosion, and quality OEM or reputable aftermarket shafts are recommended for long service life.

Popular questions about 2017 Subaru Forester CV joints

How long do the CV joints last on a 2017 Forester?
With intact boots and fresh grease, many run well past 150,000–250,000 km. Heat, rough roads, and torn boots shorten their life. Regular boot checks during routine services go a long way to avoiding dramas.

Can just the CV boot be replaced, or does the whole shaft need changing?
If caught early—no clicking, no gritty feel—replacing the boot and grease is fine. Once the joint clicks or binds, a complete CV axle assembly is the smarter option.

Is a wheel alignment needed after replacing a CV axle?
Usually no. If the strut bolts are untouched, geometry stays put. If the strut-to-knuckle bolts are loosened or camber bolts are disturbed, get an alignment check.