A differential fluid change costs $100 to $180 per differential. AWD vehicles have two, so the total runs $200 to $350. Limited-slip differentials need a friction modifier additive that adds $10 to $25.
Most drivers pay $120 to $160 per differential at an independent shop.
4WD/AWD vehicles double the cost.
Open, limited-slip, locking, or electronic differ in fluid needs.
75W-90 is most common, some require 75W-140 synthetic.
Required for LSD or noisy chatter on turns.
Some require RTV silicone, others a reusable gasket.
Dealerships and 4WD specialty shops charge a premium.
| Vehicle | Typical Range | Notes |
|---|---|---|
| Honda Civic | N/A | FWD, no rear diff |
| Toyota Camry | N/A or $180-260 AWD | AWD trims only |
| Ford F-150 | $130 - $220 | 4WD has two diffs + transfer case |
| Chevy Silverado | $130 - $220 | 4WD has two diffs + transfer case |
| Jeep Wrangler | $160 - $280 | two diffs, often LSD or locker |
| BMW 3 Series | $160 - $260 | rear diff, AWD adds front |
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Every 30,000-50,000 miles for severe service (towing, off-road), every 60,000-100,000 miles for normal driving.
Check the door jamb tag or window sticker. Codes like G80, LSD, Trac-Lok, or "limited-slip" confirm it. If unsure, ask the dealer parts counter.
You will hear chatter or chirping when turning at low speed. It does not destroy the diff immediately but should be corrected by adding additive.
No - use what the owner manual specifies. Most are 75W-90, some heavy-duty trucks call for 75W-140.
Yes, on AWD/4WD vehicles. They share no fluid - each diff is a separate service.
On 4WD vehicles, transfer case fluid is a separate service ($60-$120) and uses different fluid (often ATF or Mopar NV245). Service it on the same intervals.