2001 Toyota 4Runner Differential Unit Problems
- 4
- Owner complaint records in our dataset
Records are owner complaints, not a measured failure rate.
Owner complaint recordsComplaint records reflect reports in our dataset and do not measure how frequently the problem occurs across all vehicles.
What owners report
- differential housing · 4 records
Mileage in stored records
| Band | Records |
|---|---|
| 100–150k mi | 3 |
| 150–400k mi | 1 |
Complaint records
Owner-submitted complaint content, presented as stored.
Differential Unit
Tl* the contact owns a 2001 toyota 4runner. The contact stated that the differential housing corroded and caused fluid to leak. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 150,000.
ODI 10652028
Differential Unit · Underbody Shields
My vehicle has very little rust except for the rear differential. Large flakes of rust have formed. The differential recently began leaking. After searching online i see this is a common problem with 4runners. *tr
ODI 10471996
Differential Unit · Underbody Shields
Tl* the contact owns a 2001 toyota 4runner. While the contact was at an independent mechanic for a muffler replacement, he was informed that the vehicle frame was severely rusted. The mechanic stated that the muffler could not be replaced and a leak was present. The dealer (mcgee toyota of hanover, [redacted], hanover, ma 02339, [redacted]) informed the contact that the frame and differential housing needed to be…
ODI 11112217
Differential Unit
Rear differential housing rusted through. The housing cover is a thinner metal than the differntial axle and is not replaceable. Oil leaks out through the rusted cover until oil is depleted and could cause drivetrain failure while operating the vehicle. Dealer said they will do nothing to help. This is an item that should never fail on a vehicle. My vehicle has absolutely no body rust, yet this part fails due to…
ODI 10427843