2003 5 speed transmission rebuild help request - Ford Mustang Forum
 
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post #1 of 8 (permalink) Old 09-08-2014 Thread Starter
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2003 5 speed transmission rebuild help request

My transmission is finally in its death throws of life. All 5 speeds are still operable but reverse is gone. I would like to just purchase a rebuild kit as I don't quite have the coin to get a brand new trans. I don't even know where to begin. Rockauto doesn't seem to carry rebuild kits. I went to Makcotransmissionparts.com but nothing came up matching I had choice between 4 spd RWD 96-04 (4R70W) and 5 spd RWD 05-08 (5R55S) but mine is a 5 spd RWD 03. Plus those are V6s, I have a V8. Powertorque doesn't seem to have anything either in product categories. I did suggest that I just to the local Pick'n'Pull to my husband but I just got the hairy eye ball. When I purchased this car it did not have a manual and even though my husband works for an auto parts store he has no access to anything like this through their ordering system. It tells him to go to refer to the dealership. If anyone can point me to a good starting point that would be awesome!

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post #2 of 8 (permalink) Old 09-08-2014
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Originally Posted by l1llyw0lf View Post
My transmission is finally in its death throws of life. All 5 speeds are still operable but reverse is gone. I would like to just purchase a rebuild kit as I don't quite have the coin to get a brand new transmission. I don't even know where to begin. Rockauto doesn't seem to carry rebuild kits. I went to Makcotransmissionparts.com but nothing came up matching I had choice between 4 spd RWD 96-04 (4R70W) and 5 spd RWD 05-08 (5R55S) but mine is a 5 spd RWD 03. Plus those are V6s, I have a V8. Powertorque doesn't seem to have anything either in product categories. I did suggest that I just to the local Pick'n'Pull to my husband but I just got the hairy eye ball. When I purchased this car it did not have a manual and even though my husband works for an auto parts store he has no access to anything like this through their ordering system. It tells him to go to refer to the dealership. If anyone can point me to a good starting point that would be awesome!
Now, you have mentioned several automatic transmission models above. When people say they have a 5-speed they are usually talking about a manual transmission.

A 2003 V-8 Mustang with a manual transmission will have a TR3650. There are bearing and seal kits and there are synchro ring kits. There will always e parts needed that are not in the kit...

Tell me more about what it does in reverse.

If it is an automatic, I can't help any further...


Stan -
1965 5.0 Coupe /MAF/EFI/Astro A-5 T-5/B303 Roller Cam

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post #3 of 8 (permalink) Old 09-15-2014 Thread Starter
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It is a manual. When it came to searching for new parts all I could find were automatic trans parts which is what frustrated me. Reverse is just shot plain and simple. You put it in reverse and give it a little gas and it pops right out. There is no saving it and fourth has started to get that way too if you are not careful while shifting. I have parked it until I can get it fixed. My hubby just surprised me with a trans kit this morning that matches the TR3650 number so now its just finding time to rip the trans out and changing everything.
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post #4 of 8 (permalink) Old 09-15-2014
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It is a manual. When it came to searching for new parts all I could find were automatic transmission parts which is what frustrated me. Reverse is just shot plain and simple. You put it in reverse and give it a little gas and it pops right out. There is no saving it and fourth has started to get that way too if you are not careful while shifting. I have parked it until I can get it fixed. My hubby just surprised me with a transmission kit this morning that matches the TR3650 number so now its just finding time to rip the transmission out and changing everything.
Having that much trouble with reverse is not common. I'm confident that you will need a new reverse gear and synchronizer kit. The gear itself won't be damaged, but the only way to get a replacement synchronizer hub assembly is to buy it with a new gear.

Fourth may mostly be crumbled shift fork pads, but there will likely be enough wear to require replacing that hub assembly as well. If the plastic fork pads have crumbled, you will find most of the debris trapped in the front counter shaft bearing cage with the rollers.

Feel free to post up pictures of the carnage. We will help decide what parts are bad enough to replace. Remember that you WILL need more parts than are in that kit...

Stan -
1965 5.0 Coupe /MAF/EFI/Astro A-5 T-5/B303 Roller Cam

Mustang Manual Transmission Specialist
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post #5 of 8 (permalink) Old 09-28-2014 Thread Starter
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We should be delving into this next weekend. Both our schedules are pretty hectic but it looks like next Friday we will both be able to get out hands dirty. Even if all we do is get it pulled I will be happy.
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post #6 of 8 (permalink) Old 10-05-2014 Thread Starter
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Day two and still no real progress. The third bolt in the starter is keeping us from getting anything done. I have tried every angle except going through the wheel or pulling the headers... and apparently my exhaust system section coming out of the engine does not look normal to some passers by because it goes from four separate sections to one pipe flowing to the back of the car. Oh well. DIY shop is closed until Wednesday so everything is on hold until then. At least I work nights
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post #7 of 8 (permalink) Old 10-06-2014
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Quote:
Originally Posted by l1llyw0lf View Post
Day two and still no real progress. The third bolt in the starter is keeping us from getting anything done. I have tried every angle except going through the wheel or pulling the headers... and apparently my exhaust system section coming out of the engine does not look normal to some passers by because it goes from four separate sections to one pipe flowing to the back of the car. Oh well. DIY shop is closed until Wednesday so everything is on hold until then. At least I work nights
The starter can be a big pain the ass but the best advice I have for you on this is the following. Get a 13mm deep well socket (3/8 drive unless you think you can use 1/4 inch drive) get 2 extensions. they need to be long enough to just get you past the end of the solenoid. I personally use 3/8s drive ratchet and the ratchet I use is a Snap-On flex head with short handle. You dont need alot of room just enough leverage to break the bolt loose then you can remove it by hand and using the extensions. I feel your pain on this starter issue as I myself used to hate the starter on the 4.6 engines but now I can have mine off in under 15 minutes. Good luck my friend.

2003 Mustang GT Convertible 5 speed - Mostly stock 4.6... 455 rwhp and 573 ft/lbs torque. (SOLD due to divorce)

Currently working on Coyote Swap of a 2004 GT
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post #8 of 8 (permalink) Old 10-08-2014 Thread Starter
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Day three and that darn bolt is still sticking it out against us. We decided to phone a friend to see if there is someone with a magic touch that neither of us apparently have to get this loose. Hoping that we don't have to start cutting. tried 3/8 and 1/4 (even putting air on it) but nothing will get this thing to let go.
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