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Unread 09-24-2007   #1 (permalink)
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Question 1967 Mustang Coupe C4 Transmission. Rebuild or purchase rebuilt? Pros and cons.

Hello all, hope this the right place to post. I am wondering if you could put forth your opinions on this matter. My C4 seems to be quite tired. I have a line on a rebuilt, with 3 year warranty for $350. I would try to rebuild the existing (not sure if its original) but don't have the time. The purchased rebuilt comes with a F28E torque converter, I would re-use my bell housing. Would this be the right torque converter? Any pros/cons to purchasing a rebuilt as opposed to having my existing rebuilt, besides the $400-$500 savings?

Thanx in advance,
BaJ
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Unread 09-25-2007   #2 (permalink)
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Depends on whether or not the transmission is original matching numbers or not. Do you plan to do the install yourself?
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Unread 09-25-2007   #3 (permalink)
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Quote:
Originally Posted by MVP View Post
Depends on whether or not the transmission is original matching numbers or not. Do you plan to do the install yourself?
Don't know if the current tranny is the original or not. I have had the car for 17 years. Bought it from a shipmate in Califonia when I was in the Navy. As far as I know, it is.

Any advice on the torque converter question. I think the tranny rebuilder has core C4 trannys laying around. When you order the tranny they install a rebuild kit based on your year/model/motor configuration. I am assuming the torque converter would be based on this info also.

I would love to have the existing tranny rebuilt but can't find a tranny shop to ballpark anything less than $950 (vs. $384 for the purchased rebuilt + install). I am not a big fan of transmission shop managers by the way. I toyed with the idea of rebuilding it myself but not sure I would trust my limited knowledge of the finer points of transmission rebuilding. I am sure with the proper equipment I could do the install of the purchased tranny. Rented a stall in a shop stall ($2.00 an hour) once and installed a turbo-hydramatic 400 in a 69 Riviera. The leadup to that story is the basis of my distrust of transmission shop managers. Of course the shop had a lift, tools, tranny stand and every Chilton manual ever written. For this job I would not have any of those amenities. Plus, I would have to go buy a good floor jack and a couple more jack stands, if that would lift it high enough.

What should a complete stock rebuild and re-install on a C4 cost?
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Unread 09-26-2007   #4 (permalink)
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Let me ask you a few things:

1: What is your old/current transmission doing that leads you (or the diagnosing shop) to believe it needs a rebuild?

2: Are you more concerned with money or performance?

3: What scares you about rebuilding the C4?

If you are on a budget and have found someone to sell you a rebuild trans for $350, I say go for it. The rebuild kit will run about $100 for the 'master rebuild kit'. $950 sounds a bit high to me. Have you tried a good mechanic or machine shop? One with old gray-haired guys hanging around?

Transmission shops can be entertaining. I had an old minivan that was popping out of gear. I took it to a chain trans shop, and they said "Yep, needs a rebuild". I took it to a mechanic in a hole-in-the-wall shop, and he told me my linkage was out of adjustment. Showed me how to adjust it, and charged me $15. Vs around $1,000 for a rebuild!

If your car is not shifting well, or not at all, or slipping, it could be fluid level, vacuum lines, gaskets around servos.....I would sure try a lot of tricks before rebuilding. I had my C4 (66 C-Code) rebuilt about 10 years ago for around $350. That included the labor. The only reason I had it rebuilt, was the front seal was leaking like crazy, and I had a nice cloud of smoke following me around. My mechanic said it would cost just $35 more to rebuild the damn thing.

I think if you are quite comfortable working on your car, are patient, and have some good tools, you could rebuild it yourself. However, the rebuild kit is $100, so if you goof up and end up needing a pro, you just lost $100. Something to think about.

So let us know what's going on with the car, and maybe we can help you out and save you some trouble and expense!

Michael
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Unread 09-26-2007   #5 (permalink)
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[quote=MizzouMike76;766335]Let me ask you a few things:

1: What is your old/current transmission doing that leads you (or the diagnosing shop) to believe it needs a rebuild?

2: Are you more concerned with money or performance?

3: What scares you about rebuilding the C4?


1. Have not been to a tranny shop with the car. Just stopped in to ask about prices. I think its slipping, it leaks, has a small shift flare between 1-2, a pronounced shift flare between 2-3, it has a slight whine under power, guessing torque converter, and does not lock into park when you slide the shift lever forward. If you are on a hill, the car will roll a few inches and you can hear some kind of a pin/cog mechanism clicking, after a click or 2 it catches and you are in park. I am guessing the park problem is an adjustment? None of these problems are bad enough to prevent me from driving the car.

2. Not overly concerned with performance, don't plan to do any racing, other than the occasional stop light drag, if thats what you mean. Money is not a huge issue but I hate to throw money down a rat hole.

3. Not sure I am scared to rebuild it. However, have zero knowledge about such things. My tranny experience entails removing and reinstalling one once in a 69 Riviera. Local book store doesnt have a C4 rebuild book. lol

I am sure I would enjoy rebuilding it. How high of the ground does the car need to be to get the tranny/bell housing out? Without a lift, do you balance the tranny on a floor jack for removal/installation? I have a plenty of regular tools (sockets/open-box end wrenches) I have accumulated over the years and could go pick up any additional tools if needed. Fairly certain with a "C-4 rebuild for dummies" book and you guys I could get the job done.

Thanx for your help,
BaJ
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Unread 09-27-2007   #6 (permalink)
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BaJ,

I am not a transmission expert. Your old trans is probably worn, but maybe not worn out. the 'flare' could be corrected with a proper shift kit; maybe. The leaking, well, that could be fixed as well. As for the popping a few notches in Park, that *could* be a linkage issue, if your linkage is that far out of adjustment, if could account for the flares, since drive is not selected properly? I could be wrong. Here is a link to a Haynes manual on Amazon. I personally do not like Haynes, they never give enough info, but it is better than nothng, for sure.

Amazon.com: Ford Automatic Transmission Overhaul Manual: Models Covered: C3, C4, C5, C6 and AOD Rear Wheel Drive Transmissions, ATX (Haynes Manuals): Books: John Haynes

Good luck!
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Unread 09-27-2007   #7 (permalink)
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Thanks for the link. Does anyone know if its possible to remove and replace the tranny with the car on jackstands? Advisable, or not so much?

Thanks in advance,
BaJ
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Unread 10-14-2007   #8 (permalink)
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I've replaced the c-4 in my '65 using ramps up front and jack stands in the rear. It was tight, but it worked. You may be able to get away with a simple band adjustment, and a new seal wherever your leak is. If so you might not even have to remove the transmission. The park problem sounds like a linkage adjustment problem, possibly worn shifter linkage bushings?
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Unread 09-10-2011   #9 (permalink)
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BaJ, wondering where you found the rebuilt transmission. I'm looking at making a swap from my old and worn 3 spd to a C4 but can't seem to find any online. Thanks for any help.
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Unread 09-10-2011   #10 (permalink)
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the average price for a professionally rebuilt transmission is in the $800-900 ballpark.

If you want to spend that kind of money, then avoid taking your transmission to any transmission shop and just get a Broader Performance rebuilt C4 for $850. Not only is he a Ford transmission expert, but it will come rebuilt from them much better than any rebuild shop. Their rebuilds have upgraded parts and are rated for 500 hp.

Broader Performance
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