Confused About Overdrive '05 PSD
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From: SW Colorado
Confused About Overdrive '05 PSD
I just brought home my new 2005 CC 4x4 PSD F-250 yesterday. Prior to this truck I drove a 2001 CC 4x4 V10 F-250. On my old truck the button on the end of my shift lever took the transmission out of OD and put it into plain "drive". My new truck has the tow/haul mode button in that same location. I have a Suburban with tow/haul and like to use while towing my camping trailer. My question is: how do I shift my new '05 into "drive" not OD? I have tried shifting it to '3', which is how the Suburban works, but '3' in this truck seems to be geared way too low. I always us regular "drive" while driving around town and while towing through the mountains. Is '3' the same as "drive" and if so why are the RPM's so high even when driving at less than 40 mph? With my V10 I could drive up to 55-60 mph without the RPM's going so high. Does my truck have a problem? This is my first diesel powered vehicle--excuse my ignorance.
Mike
Mike
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From: Ohio
Place the truck in D and drive it. If you tow a heavy load or want grade braking in steep hills use the Tow/Haul. Tow/Haul delays upshifts to reduce frequency of transmission shifting. Tow/Haul also provides engine braking in all forward gears. You do not have to use it to haul a lighter load.
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From: Columbia, MO
As bad as I hate to say it, the manual has very good instructions on how to use your tranny. (The salesman is supposed to go over all the different options with you and how they function when you take delivery.)
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From: SW Colorado
So the answer, as I understand it is: there is no way to just turn the OD off like there was in my 2001 V10 and '3' does not work like drive as it does in my Suburban. Am I correct?
I did read the manuals cover to cover and have reread the parts on towing and transmission operation. It is just that I have never driven a vehicle with OD that didn't have a way to just turn it off or shift to "drive". IIRC, the 2001 V10 manual even reccomends driving the vehicle with the OD off while driving at lower speeds around town and through mountainous terrain.
Thanks for the responses.
Mike
I did read the manuals cover to cover and have reread the parts on towing and transmission operation. It is just that I have never driven a vehicle with OD that didn't have a way to just turn it off or shift to "drive". IIRC, the 2001 V10 manual even reccomends driving the vehicle with the OD off while driving at lower speeds around town and through mountainous terrain.
Thanks for the responses.
Mike
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I have found that the tranny will up/down shift on demand with a slight increase or decrease in pressure on the accelerator. I drive in the mountains daily and tow frequently-
Wapiti, you are correct- there is no way to turn off the OD. Over time you will get acquanted with how your truck's gearing responds with & without a load and should find that this tranny is fantastic...
Wapiti, you are correct- there is no way to turn off the OD. Over time you will get acquanted with how your truck's gearing responds with & without a load and should find that this tranny is fantastic...
Last edited by utahtom; Jul 16, 2005 at 11:36 AM.
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From: BC Canada
I had the old 4 speed auto with OD off switch. It was nothing compared to my 5 speed TS with Tow/Haul. In Tow/Haul it will hold the gear longer on accelleration, downshift on brake pedal taps, retarder will hold truck and trailer better. And yes it will still eventually get into OD as this is strong enough to still pull. That was the problem with the old OD in 4 speed auto, it was the weak link in the tranny. Now, it isn't (unless it needs a snap ring which yours won't) It is a heck of great tranny, bangs through gears well, keeps your light to light times down beside Bow Ties and Ram's too!
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From: The Great White North
Originally Posted by Wapiti Hunter
So the answer, as I understand it is: there is no way to just turn the OD off like there was in my 2001 V10 and '3' does not work like drive as it does in my Suburban. Am I correct?
Mike
Mike
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(The salesman is supposed to go over all the different options with you and how they function when you take delivery.)
Fords problems start right here......the salesman. In all reality your sales person was probably discounting carpet down the street a month ago. The dealer can make a happy buyer or the result of what we see here in the forums.
The Tow/Haul is not the same as your old truck with the lock/unlock function.
Fords problems start right here......the salesman. In all reality your sales person was probably discounting carpet down the street a month ago. The dealer can make a happy buyer or the result of what we see here in the forums.
The Tow/Haul is not the same as your old truck with the lock/unlock function.
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I just returned from a 3500 mile trip from Houston to Durango, Co - it was not a straight drive. I found the tow/haul mode to be the best thing since sliced bread while in the mountians. I spend about 1 week at 8k and above and can't beleive how much the T/H mode improved the mountian driving. It was awesome. The truck will hold 30, 40, or 50 down any grade depending on what gear and speed you are doing. I drove the truck a solid week in nothing but T/H and never even thought about how manually downshifting the tranny like other trucks.
btw I averaged about 18.5 MPG over the 3500 miles, including mountians in T/H, and running 80 on the highway. The lie-o-meter said 18.9 so I was not far off. I check milage every fillup and each one was off quite a bit but the complete trip worked out pretty close. I did notice that by GPS my speedo is off 3 MPH at 80 and about 2.5 at 70 MPH. That alone would probably account fot the difference. 41000 on the truck with original tires.
btw I averaged about 18.5 MPG over the 3500 miles, including mountians in T/H, and running 80 on the highway. The lie-o-meter said 18.9 so I was not far off. I check milage every fillup and each one was off quite a bit but the complete trip worked out pretty close. I did notice that by GPS my speedo is off 3 MPH at 80 and about 2.5 at 70 MPH. That alone would probably account fot the difference. 41000 on the truck with original tires.
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From: Ohio
Off subject.....what gears are in your truck Sabow? We have another thread about MPG and gears.
The tow/haul is really nice when I get a chance to use it. The mountain passes here in Ohio are 1' dirt hills.....I can see my dog run away for 2 days where I live.
The tow/haul is really nice when I get a chance to use it. The mountain passes here in Ohio are 1' dirt hills.....I can see my dog run away for 2 days where I live.
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I have a 4 door short bed 4x4 with 3.73s. Its is one of the supposedly cursed early 03s (purchased in May of 03), Centiential Edition even. I have had no problems other than the leaking front and rear seals which I have not fixed yet - no drips on the concrete
It is stock for now - gonna get the seals reworked soon and then an SMCT, leveling kit and new 33 inch BFGs.
One thing about the trip was that I got my first really bad load of fuel in San Antonio and had to repalce the filters during the trip. The truck did some funny things - like "miss" at idel in town and after ideling for about 60 sec would go "quite" like a gasser - really messed me up. Changing the filters resolved it and my milage was good after the fact so I figured I avioded the dreaded injector probs that can come from bad fuel.
It is stock for now - gonna get the seals reworked soon and then an SMCT, leveling kit and new 33 inch BFGs.One thing about the trip was that I got my first really bad load of fuel in San Antonio and had to repalce the filters during the trip. The truck did some funny things - like "miss" at idel in town and after ideling for about 60 sec would go "quite" like a gasser - really messed me up. Changing the filters resolved it and my milage was good after the fact so I figured I avioded the dreaded injector probs that can come from bad fuel.
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From: SW Colorado
So are some of you guys saying you use the tow/haul mode while not towing? You use it for regular mountain driving?
By the way, my salesman was the fleet manager and has worked for the dealership almost 20 years.
Also, I just finished a trip to Durango as well (about an hour each way). My mileage has been great so far--at least compared to the V10!
Mike
By the way, my salesman was the fleet manager and has worked for the dealership almost 20 years.
Also, I just finished a trip to Durango as well (about an hour each way). My mileage has been great so far--at least compared to the V10!
Mike