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Transmission and drivetrainPart report

2004 Infiniti QX56 Transmission and drivetrain Problems

Complaints
4about this part
Share
4%of 106 total for the year
Median mileage
40,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the transmission and drivetrain of the 2004 Infiniti QX56, 4% of the 106 complaints for this model year. Where a mileage was given, the median is 40,500 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“At the beginning of june 2008, I noticed spots on my garage floor under the car, towards the front of the engine; I thought it must be the oil filter and it needed to be tightened. I continued to notice this for the following weeks. I went under the vehicle and noticed that the leaky fluid had cascaded all underneath the vehicle. I went into have it serviced, dealer said that it was atf fluid, dealer tightened a clamp. Problem continued to persist, went into service, dealer replaced hose. …”

NHTSA complaint #10280893, filed 2009-08, 40,500 miles

“Vehicle was parked and consumer was outside of the vehicle when it started rolling backwards, knocking the consumer to the ground. It continued to roll down the driveway and struck a tree. Dealer could find no defects. The same thing happened a second time.”

NHTSA complaint #10109197, filed 2005-03, 12,000 miles

“The contact owns a 2004 infinity QX56. The contact was driving 50 MPH when the front end of the vehicle began to shake. The vehicle was taken to the dealer who performed a diagnostic that located the failure at the front suspension lower control arms. The vehicle was taken to the local mechanic to have the front lower control arms replaced. The vehicle was repaired. The failure mileage was 110,000 and the current mileage was 119,000. The consumer at his own expense, he had to replace the left and right control lower arms. The consumer stated a recall was issued in may 2010. …”

NHTSA complaint #10432609, filed 2011-10, 110,000 miles

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
201339%
201247%
201145%
200848%
200679%
200556%
200444%

Other parts of the 2004 Infiniti QX56

Brakes
65 complaints
Electrical system
16 complaints
Air bags
10 complaints
Fuel system
6 complaints
Engine
5 complaints
Engine cooling
5 complaints
Visibility (wipers, defrost, mirrors)
5 complaints
Steering
4 complaints
Body and structure
4 complaints
Other or unknown
3 complaints
Seats
3 complaints
Suspension
3 complaints

← All problems reported for the 2004 Infiniti QX56

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology