using tow/haul to slow down - Ford Powerstroke Diesel Forum
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post #1 of 19 Old 04-01-2012, 06:11 PM Thread Starter
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using tow/haul to slow down

is it hurting the trans at all by using the tow/haul mode to slow down for a traffic light? it kicks in and drops a gear at just under 50mph and drops another gear again at somewhere between 25-35. i turn it back off when i come to a stop. i do this daily to save my brakes. just had to buy a whole new caliper after my brake pads completely disintegrated and the calipers where pushing into the rotors. it wasnt pretty.

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post #2 of 19 Old 04-01-2012, 06:31 PM
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Which is more expensive? Brakes or tranny? Brakes aren't cheap but Napa has them all day long. They dont have a tranny handy.. Why not just add a turbo brake from BD? I think BD.. Maybe PACbrake


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post #3 of 19 Old 04-01-2012, 06:49 PM Thread Starter
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So it is hard on the trans then? And yeah i would love an exhaust brake i was thinking of the Banks Brake its all electronic but i have not heard the best things about banks when it comes to 6.0s

8 Is the magic number when it comes to trucks.. 8 lugs, 8 foot bed, 8 cylinders
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post #4 of 19 Old 04-01-2012, 06:49 PM
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I use the tow mode when going down a long hill/steep hill, but not to stop at a light. But agree, brakes are easy and cheaper than a trans. But I don't know if its hurting it either.

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post #5 of 19 Old 04-01-2012, 07:01 PM
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I would think kicking it on and off like that while in motion isn't the best for it. I really don't know though but like the others said brakes are cheaper. Get an exhaust brake for sure.
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post #6 of 19 Old 04-01-2012, 07:04 PM
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In and out of gear is going to mess it up.. Personally.. I sell BD bc they have a better passage hole allowing for air to continue to expel and not have unreasonable back pressure.. Banks simply doesn't have it..


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post #7 of 19 Old 04-02-2012, 04:31 AM
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I hate tow haul mode when I have a trailer on. I will use it if I have a few K in the bed and I am tuned. I dont like the TQ locked going up hills sometimes. I will watch EGTs and use it then. I use it to control EGTs, not stop. I can afford the $60 break pads!

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post #8 of 19 Old 04-02-2012, 04:35 AM
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I don't see how it's bad. It's always shifting gears anyway. I know mine isn't a 5R, but I've always, always turned OD off and downshifted it to slow down.
An exhaust brake has to have a locked TC to work. And increases back pressure a lot.



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post #9 of 19 Old 04-02-2012, 04:41 AM
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Until someone can define how much backpressure placed on a turbocharged diesel with or without a waste gate will cause it to fail, it's kind of irrelevant. Big rig diesels use them to live off of to survive descents massive toll on brakes. How is a smaller, perfectly matched exhaust brake on a lighter diesel any different?


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post #10 of 19 Old 04-02-2012, 04:43 AM
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Oh, and to fully answer the question, to engage and disengage a TC constantly and when it's not designed to by computer aid, it's gonna fail.. Easily $1500...


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