TMSBOSS

One item to check is the rubber boot which seals the shifter shaft to the floor. Its under the console. If this is not properly installed, noise will be very noticeable.

When I swapped out myshifter, I had issues with this until I checked the boot and found it was not sealed correctly.

Hope this helps.

Andy13186

was the clutch pushed in when the engine stalled and everything locked up?

P51C

helical gears DO NOT whine. That's the reason to have them. Straight cut gears can whine, that's normal. There hasn't been a straight cut gear in the forward speeds of a MT car in decades.

Some noise in first and reverse is expected, more than other gears. Downshifts without rev matching will create noise, too, as the dog rings help the gears line up. Be worried if it whines under load going forward.

Mine blew too, no provocation. Ford rebuilt it but, yeah, I was out my car for a month with several back and forths with dealer personnel and Ford mgmt before it got sorted.

UofHmustang

Rear ends are helical and they can whine.

P51C

Nice try. Rear gears are hypoid or spiral bevel, depending on application. Hypoid are spiral bevel when the pinion gear is below the centreline of the ring gear. Spiral bevel is when the pinion is in line with the centre of the ring gear.

It's possible for all gears to whine but what causes helical gear whine is not the gear design, it's a change in the relationship between the gears themselves. Helical gears are by design, smooth and quiet. Whine here is caused by failures in bearing support of the gears or gear damage, full stop.

Andy13186

i notice no wining or noise with my 6mt tranny or my 3.31 or w/e is stock rear end

P51C

Rear gear whine with steep gear ratios on 8.8s has been an issue since the 1980s. Ford does a slap-to-torque method of assembly on the 8.8s, using acrush sleeve to take up the space behind the pinion gear. Now, this is ok on tall economy ratios, 999 times out of 1000 but, steep gears need more careful setup.

I have slight whine in my 3.73 rear in a small speed range so, I ran the pattern when I had the cover off to change the fluid for something a bit more robust. I found the pinion depth, factory delivered, as being a tetch too deep and that's what's casing the noise. Not enough to make me want to rip it apart and replace the gears but present nonetheless.

When my MT-82 just up and started whining out of nowhere at about 2000 miles, I thought to myself, a change in the relationship between the main and countershaft, caused by bearing failure, since it occurred in all forward gears. Turned out, I was correct, the input shaft bearing was first to fail and it took out a whole bunch of other stuff. The transmission shifted fine through all of this; noise was the only indication of issues.

Don't accept the hypothesis that whine is "normal" for these transmissions, unless it is very slight. Some extra noise is to be expected from a manual over an automatic but, watch for anything that suddenly changes or is louder than can be overcome with a low volume setting on the radio.

awbreyjd

its kinda a double edged sword. Some people are too paranoid about slight noise because when they first got the car they were to busy enjoying it to hear. Then they finally hear it and freak. So they will spend countless hours down time and money to find out there never was a problem. Others will take a new and sudden noise as common and be out a trans in no time. Every Manual car I have had has always whined a little. But I have had one tranny need to be replaced, however its noise was much more noticeable and came on after a long drive. As stated above light noise or even slight gear noise is normal but anything that is new or overly loud may need to be checked. Sad thing is there is really no way to no either way if it is a true problem or just regular noise unless the time/money is spent to check.

P51C

Therein lies the true power of forums like this one. While they have a tendency to get stupid at times, there's a wealth of shared info and knowledge to be found here and at places like this.

I've been building cars, bikes, etc. for 30 years, no dealer service advisor is going to convince me something is "normal" when it isn't. Information can be power in these circumstances, other people's experiences, tactics, a clear understanding of the mechanics involved, etc. gives a better chance of a positive resolution.

UofHmustang

I already know that. Spur gears are notoriously loud but helical gears aren't deathly quiet. I used to have equipment operators think their machines were messed up all the time because they heard spur gears. My M6 has whined slightly in the lower gears since day one and there's nothing wrong with it. A whine from damaged parts is noticeably different than normal noise.