xNightFirex

ok so i have a 2004 Ford Mustang V6 3.9L the issue i am having is today it started making a strange sound when i drive in reverse kind of sounds like plastic rubbing along tires( type of sound) checked around tries 1st nothing wrong there. replaced my u joints still does it checked and replace my motor mounts still makes the sound and then i checked all my bolts on my trans engine and exaust nice and tight none lose. the link has a video with the sound my car makes



any and all help would be very much appreciated

Daehawk

Could be a bearing but might be a brake rubbing.

xNightFirex

no i looked into it further today sounds like it is coming from my transmission if i have the cluch pressed to the floor and the car in reverse rolling downhill(backwards) it still does it so i am thinking my reverse gear might be going bad going to get a new one and see if that fixes it

dawson1112

That's not a reverse gear problem, it sounds like a bad pinion bearing or the yoke rubbing the housing, it probly sounds like transmission because is being transferred through the drive shaft.

xNightFirex

ok so i looked at the yoke and dont see it hitting/rubbing anything if you have a diagram for my 04 mustang v6 3.9L pinnion bearing location i can take a look and see if anything is wrong there

xNightFirex

ok so i was not sure what trans i had on my mustang but i looked at the tag on it and this is whats on it

3r33 7003 BC A2242

TTET2141 09681


just like that not sure if it help with the diagram going to see if i can find it to will post when i do

dawson1112

IIRC the v6 cars up to 04 used a Tremec t5. But did you have an engine swap or something? I thought they were 3.8l engines? Not 3.9l

xNightFirex

I did not do a swap it is stock engine in 2004 the last half of the year they made some 3.9l v6 mustangs 40th anniversary



Id tag in my door

dawson1112

lol that kinda threw me off, cause I had never heard of the 3.9l. I did some research and the blocks are basically identical with some internal differences. Still uses the T5 transmission.

xNightFirex

I am trying to find a diagram for the pinion bearing and can't find one if you could help me out with that that would be very much appreciated