Transmission

[bobsmanstuff]

I need advise. The 1930 model A pick up I bought seem's to growl when I shift into 2nd gear. From inside the cab it's pretty loud. If worse comes to worse and I have to take it out, what is the best way or easiest way to remove it? I would appreciate any help.
Thanks Bob

[100IH]

Inspect in place first. Remove the floor boards and the shift tower. Do you have several catalogues and some type of shop manual. Do you have a spare gearbox. Actually I am asking how familiar are you. Ever pulled a rear end from Model A? Do you know what the correct lube is and what it feels like? Do you know how to use the advanced search and start getting familiar with A Trans Issues? You have to be able to report what the gears look like and the lube and correct names so communication will be productive. You'll notice that I haven't wasted your time by telling what happened to my car or the guys across the street, Lots can happen and lots does happen. It's a process. INSPECTION, DIADNOSIS, COMMUNICATION DESCRIBING SYMPTOMS.Just might be they all sound that way. That's pretty common actually.

[WHN]

Second gear can be loud.

The first thing I would do is the easiest, change the transmission oil.

I would use a 50/50 mix of 600w oil and the blue bottle of STP. Some owners use 100% STP. This will also help slow down the gears during shifting.

Before you start taking things apart with a Model A, check the simple thinks first

[bobsmanstuff]

Thanks for the help guys. I'll start with changing the oil.

[California Travieso]

Does it growl all the time or just when you shift? Have you tried double clutching?

David Serrano.

[100IH]

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I think the noise is going down the road and not a noise engagement. Is that so Bob?

[1crosscut]

If changing the oil doesn't help and then pulling off the shift tower for a look see doesn't expose the trouble I would suspect that one of the three roller bearings has failed.

[100IH]

One thing for sure, if you open it up and find that it is really bad and are not up to fixing it STP might be the only solution. Nothing will be fixed, just quieter until it is sold. If it not so bad and you determine that it has the wrong lube, that might fix or buy some time. In this case, the correct lube would get you back on the road. STP is not a lubricant.

[bobsmanstuff]

yes

[WHN]

We know that there are a lot of different views on STP and Marvel Mystery Oil. Some love using them, some call them snake oil.

These cars are now 90 years old. As we (people) get older, we might have to start taking supplements that younger people don’t need or would not use. And there are also people who don’t believe in supplements.

Most Model A’s are not driven hard. Most are not driven in the winter. Most are kept in a garage, some covered. Most lovingly cared for.

STP is a supplement as is MMO. Some owners swear by them, others don’t. If you can get more good time out of a body or machine by using a supplement. What is the problem?

I have used both in Model A’s for well over 40 years and have never had a problem or failure. I bought a Model A years ago with an engine that was very noisy. I was told by many people that the engine really needed to be rebuilt. What it really needed was to be taken care of and driven. That engine today is still running strong, no noises, no oil burning, limited typical dripping, great compression (mid 60’s).

I don’t recommend digging into Model A’s looking for problems. They are very simple cars and will run for along time with poor care or no care. They can be left for years in a barn with no care and than found and driven to a new home.

My point. At some time we all might need to take a supplement to get a few more years or miles. Enjoy.

[Ray64]

W H N well said

[Bob C]

A slight growl is normal because of the straight cut gears in the transmission.
Watch the video in the link and listen at 9:49 and 11:35, this sound is normal.
https://www.youtube.com/watch?v=kr53h0hv8hI


Bob

[California Travieso]

Originally Posted by 100IH

I think the noise is going down the road and not a noise engagement. Is that so Bob?

100IH,

The OP states: "The 1930 model A pick up I bought seem's to growl when I shift into 2nd gear."

Since he say "when I SHIFT INTO SECOND" I think double clutching or shifting slower may help.

David Serrano

[larrys40]

Bob,

If it is noisy in 2nd it is probably the 2nd gear on the cluster that is worn. I would drain the transmission and remove the shift tower assembly and spray a little brake clean (carefully) to get the oil off the cluster gear and examine the teeth and see how they look. My bet is they are pitted and worn. Look carefully at the 2nd and high gear teeth as well. If by remote chance the only the sliding gear is bad it can be done with the trans in the car.. it's just a process and you have to be careful doing it.

The rear bearing retainer can be removed and the sliding gear shaft and two sliders removed out the top and replaced as necessary, reverse for install.

Yes, you can use some of the bandaide lubes but the problem is still there.
Larry Shepard

[Kahuna]

Don't use 2nd gear

[bobsmanstuff]

Thanks guy's. Bob

[RonC]

Even the slightest tooth pitting will make it very load