Undo the Coast Brake - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 09-30-2010, 06:54 PM Thread Starter
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Exclamation Undo the Coast Brake

1999 f350 2wd crew cab 7.3 102000 miles
Is it possible to disable the coast brake. I would like to install a switch to turn it off/on when ever I liked. I live in Fla with mostly flat roads and when I'm just driving the truck I hate the coast brake. I.ve read a lot of the forums about the coast brake but have found nothing about how to turn it off. I thought about installing a switch on the red wire in the harness but was wondering would it throw a code when I turned it off or damage the transmission. I know the coast brake is there to help stop the truck but I don't like it.

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post #2 of 6 Old 09-30-2010, 07:24 PM
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Coast brake????

Zach
2000/2006ish Ford F-250 Larryette 7.3 Powerstroke 4x4
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post #3 of 6 Old 10-01-2010, 04:21 PM
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coast clutches, they are what produce the engine braking effect. I don't know about disabling them, never heard of anyone trying it.

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post #4 of 6 Old 10-01-2010, 06:32 PM
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The coast clutch is only used if you disable OD or put the shifter in 2 or 1. If you leave the OD on and leave the shifter in D the coast clutch is off.

Mark
Former Ford Automatic Transmission Engineer 1988-2007
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post #5 of 6 Old 10-01-2010, 07:44 PM
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Could some one explain in better detail?
Are you talking about a "Banks" tranny brake---or something stock from Ford factory?
I'm confused
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post #6 of 6 Old 10-02-2010, 05:10 AM
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I think the coast clutches are located next to blinker fluid reservoir. Just above the muffler bearings.

Zach
2000/2006ish Ford F-250 Larryette 7.3 Powerstroke 4x4
5" Sewer Pipe Exhaust (video clip), DIY 6637 Intake, Wicked Wheel'd, De-foiled, Missing EBPV, Edge Juice with Attitude, Few leaves added here and there, 35" BFGs, 16x10 Eagle Alloys, Alpine W200

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