Old beaten tranny.


For you lovers of the Class 8's and bigger.

Yard Art
Yard Art

Posts: 73

Joined: Thu Feb 05, 2015 8:23 pm

Location: Ogden Utahhhhh

Post Wed Jul 06, 2016 2:45 am

Old beaten tranny.

The L-185 has a f52 transmission. I serviced it today. There is about 1/8 inch of mud in the bottom of it. Very small chunks and plenty of flakes to make a prospector very happy. (wrong color, its all silver) The guy that owns the trans shop in town said that if I can't get all the stuff out than it is best to leave it alone. Better stuck on the bottom than floating all around. I guess my question is how much of a beating can an old tranny take and still be OK?
Help! I'm stuck in the garage and I can't seem to pull myself out.

Nothing better than a nap on the creeper under the old truck.

Golden Jubilee
Golden Jubilee

Posts: 6435

Joined: Thu Dec 27, 2012 12:45 pm

Location: Canada's left Coast

Post Wed Jul 06, 2016 2:57 am

Re: Old beaten tranny.

You will know that answer when the sound changes. Add 300 meters to the new sound and that is when the transmission reaches the end of its service life. Really a transmission could sound really bad for thousands of miles. Replace the gear oil and see how it goes. Watch for a suitable replacement transmission. There may be another model transmission that fits.
I would rather have tools I do not need than to need tools I do not have

Yard Art
Yard Art

Posts: 73

Joined: Thu Feb 05, 2015 8:23 pm

Location: Ogden Utahhhhh

Post Wed Jul 06, 2016 8:26 pm

Re: Old beaten tranny.

I guess I will know when I finally get it running. At the rate I am going, it will be 5 years. Does that mean that it is still good until proven to be junk?
Help! I'm stuck in the garage and I can't seem to pull myself out.

Nothing better than a nap on the creeper under the old truck.

Golden Jubilee
Golden Jubilee

Posts: 6435

Joined: Thu Dec 27, 2012 12:45 pm

Location: Canada's left Coast

Post Wed Jul 06, 2016 9:10 pm

Re: Old beaten tranny.

It means that it may be nearly impossible to know for sure from here. I am about14.5 hours and nearly a 1000 miles away. This adds to my STD. Senior Transmission Diagnostics.
Ask your local transmission person then follow the advice.
Old trucks make noises that are not heard in new vehicles. It is a similar situation to the questions, "Why does Grandpa make those embarrassing noises and smell unusual?" Grandpa is very old and can suffer some settling and audible leakage followed by that smell that only an old truck and Grandpa can make. https://youtu.be/-xRhkLDaj_I
I would rather have tools I do not need than to need tools I do not have

Golden Jubilee
Golden Jubilee

Posts: 3381

Joined: Thu Nov 29, 2012 9:28 pm

Location: Lyman, IA

Post Thu Jul 07, 2016 8:08 am

Re: Old beaten tranny.

non syncro trans all get some metal in the bottom. It is just part of the beast. I would pull the top, flush out as much as I could. With new oil in it roll the shafts as feel for rough bearings. while rolling the shafts over, look for chipped or missing teeth on the gears. If all looks ok (minor, small chips aren't going to effect much) than I would use it. Bearings are the major cause of failure. if they are ok than the trans probley is.
Minor chips on teeth can be "dressed" with a stone to remove sharp edges that can lead to fractures.

Yard Art
Yard Art

Posts: 73

Joined: Thu Feb 05, 2015 8:23 pm

Location: Ogden Utahhhhh

Post Thu Jul 07, 2016 10:46 pm

Re: Old beaten tranny.

Hey I resemble that old man stuff.
Help! I'm stuck in the garage and I can't seem to pull myself out.

Nothing better than a nap on the creeper under the old truck.

Site Admin
Site Admin

Posts: 4546

Joined: Thu Nov 29, 2012 9:10 am

Location: Nampa, Idaho

Post Fri Jul 08, 2016 1:33 am

Re: Old beaten tranny.

CB, has good advice. Used to do that years ago.

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