Well, okay, maybe it isn't exactly 12 quarts, perhaps 11? How about 10. 5???
After burning up the rear main output bearing on the 3rd reman put in my truck last year (lllooonnnggg story, another thread, another day) I asked Blumenthal's in OKC where I was picking up the reman why the bearing failed after only 50,000 miles. They showed me the design flaw which prevents fluid from getting to the output bearing and then proceeded to tell me the untested idea they had to help get fluid to that bearing. Well, I couldn't wait for a test of their theory so I asked how many quarts it takes to fill up the case to the bottom of the bearing. After blank looks for a few moments I asked if they had a reman sitting around and they were getting ready to test one on the dyno, SO, they filled it up to the bottom of the bearing and it took 12 qts. The transmission ran on the dyno with no apparent side affects, so they gave me 12 qts of fluid with my transmission and I agreed to be a guinea pig. Put the 12 qts in through the shift tower after transmission install, hooked up to a camper and headed out on the road. From Indiana to Florida to be exact. From flatlander country through the hills of Kentucky and Tennessee where the smell of transmission fluid burning on the exhaust was noted as I went up and down the hills. After a week or so the level of the fluid was such that it did not come out the vent or the rear seal (not sure which) while going up hills and after 85,000 miles is still working properly, shifting is good.
So, we have all heard about overfilling by one quart. How about 12 qts total? When I change the fluid at 100,000 miles I will measure what I took out and put that amount back in.
Gary; wonder what this would do to transmission fluid temps???
Godspeed,
Trent
After burning up the rear main output bearing on the 3rd reman put in my truck last year (lllooonnnggg story, another thread, another day) I asked Blumenthal's in OKC where I was picking up the reman why the bearing failed after only 50,000 miles. They showed me the design flaw which prevents fluid from getting to the output bearing and then proceeded to tell me the untested idea they had to help get fluid to that bearing. Well, I couldn't wait for a test of their theory so I asked how many quarts it takes to fill up the case to the bottom of the bearing. After blank looks for a few moments I asked if they had a reman sitting around and they were getting ready to test one on the dyno, SO, they filled it up to the bottom of the bearing and it took 12 qts. The transmission ran on the dyno with no apparent side affects, so they gave me 12 qts of fluid with my transmission and I agreed to be a guinea pig. Put the 12 qts in through the shift tower after transmission install, hooked up to a camper and headed out on the road. From Indiana to Florida to be exact. From flatlander country through the hills of Kentucky and Tennessee where the smell of transmission fluid burning on the exhaust was noted as I went up and down the hills. After a week or so the level of the fluid was such that it did not come out the vent or the rear seal (not sure which) while going up hills and after 85,000 miles is still working properly, shifting is good.
So, we have all heard about overfilling by one quart. How about 12 qts total? When I change the fluid at 100,000 miles I will measure what I took out and put that amount back in.
Gary; wonder what this would do to transmission fluid temps???
Godspeed,
Trent
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