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10.0

really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
16,666 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Ford Mustang transmission problems

transmission problem

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2003 Ford Mustang Owner Comments

problem #4

Sep 022006

Mustang 6-cyl

  • Manual transmission
  • 38,015 miles

A D V E R T I S E M E N T S

Transmission failure. Forward sun gear w/torrington bearing.

- New Cumberland, PA, USA

problem #3

Dec 042005

Mustang 6-cyl

  • Manual transmission
  • 28,450 miles
While slowing down, downshifting or switching gears, the car engine will just fail and shut off/stall without any warning. The car will not "buck" or shake, it will just turn off, causing the power steering to stop operating. I have had two close incidents where I was turning into a parking lot and almost hit a car because the power steering shut off when the engine died without warning. I am afraid this problem will cause a bad accident, especially when I have two young children riding in the vehicle most of the time. I took the car to Ford dealership they stated that they did a full inspection but did not find anything wrong. I am still experiencing the same problem at least several times a day when my engine will just shut off without any warning or notice while I am operating it. Both my husband and my father have driven my car and experienced this problem so I know that it is not the way I am driving it.

- Cerritos, CA, USA

problem #2

Jun 032004

Mustang 8-cyl

  • Manual transmission
  • 200 miles
2003 Mustang mach 1 has had shifting problem since I bought it in Sept 03. Ford supposedly has been aware of this problem for a year or two. They have yet to come out with a tsb. The car is difficult to shift, especially when temperature outside is cool. Because it sometimes takes 2 or 3 seconds (or more) to shift into the next gear the car is just coasting upon leaving a stoplight and I have almost been rearended numerous times because the trans won't allow quick enough shifts. Car only has about 3,500 adult driven miles, 2400 of which are highway. Many acquaintances have had this same complaint. Trans manufacturer (tremec) told people at 40th Mustang anniv that Ford was supposed to issue a tsb. It hasn't come to pass yet.

- Westchester, IL, USA

problem #1

Sep 062002

Mustang 8-cyl

  • miles
Consumer stated a noise was coming from the rear end when shifting gears. The entire transmission was replaced, however the noise was still there.

- Defiance, OH, USA

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