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Old 03-11-2010, 02:41 AM   #1
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type transmission ???

I have a 1999, f-250 super duty, turbo. It's the first diesel I have owned. My question is this, How do I determine the type of transmission is in the thing?? It is an automatic, but I hear about these different ratio's on them?? Thanks in advance for some answers. regards, Doodles
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Old 03-11-2010, 07:20 AM   #2
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get out your owners manual then read and dechipher the data plate on the driver door jam.
if that doesnt help go to ford truck forums there are some very smart folks there
brian j
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Old 03-11-2010, 05:43 PM   #3
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It is a Ford 4R100 transmission--the gear ratios in the trans itself should be the same in all trucks that year with that transmission. The rear axle ratio is where you might have some confusion.
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Old 03-12-2010, 05:43 AM   #4
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Thanks guys...........So now the question is........ ??? How do I find out the ratio of the rear- end ??? Thanks in advance !!! ~ Doodles~
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Old 03-12-2010, 07:18 AM   #5
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On that same data plate under 'Axle' there's a two digit code, all of these weren't available on that truck but the axles that were should be on the list:


31 — 3.73 non-limited slip, F-250/Excursion
C1 — 3.73 limited slip, F-250/Excursion
32 — 4.10 non-limited slip, F-250
C2 — 4.10 limited slip, F-250/Excursion
33 — 4.30 non-limited slip, F-250
C3 — 4.30 limited slip, F-250/Excursion
36 — 4.56 non-limited slip, F-250
C6 — 4.56 limited slip, F-250
41 — 3.73 non-limited slip, F-350 (single rear wheels)
D1 — 3.73 limited slip, F-350 (single rear wheels)
42 — 4.10 non-limited slip, F-350 (single rear wheels)
D2 — 4.10 limited slip, F-350 (single rear wheels)
43 — 4.30 non-limited slip, F-350 (single rear wheels)
D3 — 4.30 limited slip, F-350 (single rear wheels)
46 — 4.56 non-limited slip, F-350 (single rear wheels)
D6 — 4.56 limited slip, F-350 (single rear wheels)
61 — 3.73 non-limited slip, F-350 (dual rear wheels)
F1 — 3.73 limited slip, F-350 (dual rear wheels)
62 — 4.10 non-limited slip, F-350 (dual rear wheels)
F2 — 4.10 limited slip, F-350 (dual rear wheels)
63 — 4.30 non-limited slip, F-350 (dual rear wheels)
F3 — 4.30 limited slip, F-350 (dual rear wheels)
66 — 4.56 non-limited slip, F-350 (dual rear wheels)
F6 — 4.56 limited slip, F-350 (dual rear wheels)
81 — 3.73 non-limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
E1 — 3.73 limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
82 — 4.10 non-limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
E2 — 4.10 limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
83 — 4.30 non-limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
E3 — 4.30 limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
86 — 4.56 non-limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
E6 — 4.56 limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
88 — 4.88 non-limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
EW — 4.88 limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
78 — 4.88 non-limited slip, F-450 chassis cab
G8 — 4.88 limited slip, F-450 chassis cab
75 — 5.38 non-limited slip, F-450 chassis cab
G5 — 5.38 limited slip, F-450 chassis cab
GW — 4.10 limited slip, F-450 chassis cab
98 — 4.88 non-limited slip, F-550 chassis cab
K8 — 4.88 limited slip, F-550 chassis cab
95 — 5.38 non-limited slip, F-550 chassis cab
K5 — 5.38 limited slip, F-550 chassis cab
KW — 4.10 limited slip, F-550 chassis cab
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Old 03-12-2010, 08:30 PM   #6
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thanks again for all the brain work, hopefully me and the 4 legged dixiedoodle will see ya'll around a campfire one day...............regards
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Old 03-13-2010, 09:29 AM   #7
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transmission info

Quote:
Originally Posted by Hitchhiker View Post
On that same data plate under 'Axle' there's a two digit code, all of these weren't available on that truck but the axles that were should be on the list:


31 — 3.73 non-limited slip, F-250/Excursion
C1 — 3.73 limited slip, F-250/Excursion
32 — 4.10 non-limited slip, F-250
C2 — 4.10 limited slip, F-250/Excursion
33 — 4.30 non-limited slip, F-250
C3 — 4.30 limited slip, F-250/Excursion
36 — 4.56 non-limited slip, F-250
C6 — 4.56 limited slip, F-250
41 — 3.73 non-limited slip, F-350 (single rear wheels)
D1 — 3.73 limited slip, F-350 (single rear wheels)
42 — 4.10 non-limited slip, F-350 (single rear wheels)
D2 — 4.10 limited slip, F-350 (single rear wheels)
43 — 4.30 non-limited slip, F-350 (single rear wheels)
D3 — 4.30 limited slip, F-350 (single rear wheels)
46 — 4.56 non-limited slip, F-350 (single rear wheels)
D6 — 4.56 limited slip, F-350 (single rear wheels)
61 — 3.73 non-limited slip, F-350 (dual rear wheels)
F1 — 3.73 limited slip, F-350 (dual rear wheels)
62 — 4.10 non-limited slip, F-350 (dual rear wheels)
F2 — 4.10 limited slip, F-350 (dual rear wheels)
63 — 4.30 non-limited slip, F-350 (dual rear wheels)
F3 — 4.30 limited slip, F-350 (dual rear wheels)
66 — 4.56 non-limited slip, F-350 (dual rear wheels)
F6 — 4.56 limited slip, F-350 (dual rear wheels)
81 — 3.73 non-limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
E1 — 3.73 limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
82 — 4.10 non-limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
E2 — 4.10 limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
83 — 4.30 non-limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
E3 — 4.30 limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
86 — 4.56 non-limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
E6 — 4.56 limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
88 — 4.88 non-limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
EW — 4.88 limited slip, F-350 chassis cab, narrow frame (dual rear wheels)
78 — 4.88 non-limited slip, F-450 chassis cab
G8 — 4.88 limited slip, F-450 chassis cab
75 — 5.38 non-limited slip, F-450 chassis cab
G5 — 5.38 limited slip, F-450 chassis cab
GW — 4.10 limited slip, F-450 chassis cab
98 — 4.88 non-limited slip, F-550 chassis cab
K8 — 4.88 limited slip, F-550 chassis cab
95 — 5.38 non-limited slip, F-550 chassis cab
K5 — 5.38 limited slip, F-550 chassis cab
KW — 4.10 limited slip, F-550 chassis cab
so.......I see I have a C1 = 3.73, now my next question is this...........I have a 2300 lb. lance camper for the truck, do I have enough rear end and transmission to carry with NO problems. But the truck is a 1999 F-250 turbo, powerstroke, not whatever it listed there. Thanks again............Regards ~Doodles~
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Old 03-13-2010, 11:37 AM   #8
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That rear axle and your tranny should handle the 2300# fine but you might be a tad over the truck's GVWR. If you know the unloaded weight of your truck add the 2300# for the lance camper to it, add your weight, any passengers' weight, all of the truck's cargo's weight if any, and see if you're under that other number on that same data plate labeled GVWR.

If I recall your F250 has a GVWR of 8800#. If you're just a little over I wouldn't be too concerned, most all the 3/4 ton's pulling 5th wheels and hauling campers are over their GVWR.
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Old 03-14-2010, 06:46 AM   #9
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transmission info

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Originally Posted by Hitchhiker View Post
That rear axle and your tranny should handle the 2300# fine but you might be a tad over the truck's GVWR. If you know the unloaded weight of your truck add the 2300# for the lance camper to it, add your weight, any passengers' weight, all of the truck's cargo's weight if any, and see if you're under that other number on that same data plate labeled GVWR.

If I recall your F250 has a GVWR of 8800#. If you're just a little over I wouldn't be too concerned, most all the 3/4 ton's pulling 5th wheels and hauling campers are over their GVWR.
The 2300 lbs of the camper is loaded weight(with water and propane), dry weight is 2000 lbs. so I think It will be alright, I hope so. Thanks for the words of wisdom. yepper, this is a neat site. I will be asking a lot of questions as I go, this is the first camper I have owned. Thank you again !!!..........~Doodles~~
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Old 03-14-2010, 08:40 AM   #10
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The 4R100 tranny is a big step over the previous E4OD, but still has it's problems. Be sure and keep the transmission fluid clean and cool. Heat will kill any tranny. Install a large stacked plate type cooler on the transmission and do a complete tranny fluid change (torque converter included) or a fluid flush every 25000 miles and then drop the pan for a filter change at 50000 miles.

I have seen folks that killed the tranny before 100000 miles due to abuse and lack of maintenance. And some over 200000 with proper care.

Ken
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Old 03-14-2010, 11:12 AM   #11
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If you experience any overheating of the transmission while hauling that Lance camper you might want to refer to Ford's TSB #00-24-4 for an enhancement to the cooling system.
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Old 03-14-2010, 07:44 PM   #12
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transmission info

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Originally Posted by TXiceman View Post
The 4R100 tranny is a big step over the previous E4OD, but still has it's problems. Be sure and keep the transmission fluid clean and cool. Heat will kill any tranny. Install a large stacked plate type cooler on the transmission and do a complete tranny fluid change (torque converter included) or a fluid flush every 25000 miles and then drop the pan for a filter change at 50000 miles.

I have seen folks that killed the tranny before 100000 miles due to abuse and lack of maintenance. And some over 200000 with proper care.

Ken
Thanks, this camping stuff is sounding expensive. Maybe I need to go back to the tent camping but the ground killed these old bones, or could have been the ex-hubby . I will have the fluids changed and hope doing that will save a few bucks down the road. The truck has pulled a large trailer for years and it does have 200,000 miles on it but it runs great. I got the truck from my cousin who fell on hard times. He never had a problem with the transmission.Thanks again for all the valuable info. ~Brenda~ AKA ~Doodles~
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Old 03-14-2010, 08:00 PM   #13
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transmission info

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If you experience any overheating of the transmission while hauling that Lance camper you might want to refer to Ford's TSB #00-24-4 for an enhancement to the cooling system.
Don't want to sound dumb but how will I know if it gets hot ?? Will it smell or maybe slip? Like I said in an earlier post with the other dude, the truck has pulled a 16ft. trailer loaded with tools and no problems. I will check this cooling system out. Right now I'm fixing some wood rot, took out the window in front of sink today. Got problems there too. Already fixed the wings that hangs off back of truck. Lance done such a poor job with that stupid chip board. Who had it before me done no maintance on it at all . So now I'm fixing there mistakes. Like an iceberg you just can't see the big problem. Sorry to vent. Anyway thank you so much for input .. Regards Brenda AKA ~Doodles~
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Old 03-15-2010, 07:10 AM   #14
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You'll need a transmission temperature gauge to monitor the tranny temps.

IIRC that TSB was issued by Ford after they had excessive tranny failure rates involving trucks used to tow or heavy hauling. At the time it was intended as a preventative measure. It's likely the truck you have has already been converted considering the high miles used as a towing vehicle.

The Ford dealer's Oasis system should be able to pull up the truck's history by VIN number, call them and ask if that TSB was done.
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