if air gets into the ABS module, you have to make it modulate the brakes to get the air out of it. This requires mashing the brakes in a controlled environment so the ABS engages, or having the dealer tools to make the module do it on a lift.
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)
Originally posted by gadget73Originally posted by dmccaig -
Gotcha, so there is no harm in doing it a few times before I bleed it. I would then proceed to bleed it...if there is still air in the system, take it out, and dirt road it again, only to repeat, eh?"To Find yourself, you must first lose yourself"
-1973 Volkswagen Bus Westy
-1986 Honda Magna 700cc
-1989 Lincoln Town car Signature Series
-2011 Subaru OutbackComment
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won't hurt, but you'd probably know if there was air in there. Just don't run the reservoir dry and you're pretty much good to go. I might suggest getting the old brake fluid out of the reservoir first and filling with fresh, that way you're moving clean fluid into the system.86 Lincoln Town Car (Galactica).
5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley
91 Lincoln Mark VII LSC grandpa spec white and cranberry
1984 Lincoln Continental TurboDiesel - rolls coal
Originally posted by phayzer5
I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousersComment
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No need to go on a dirt road, just jack up the back wheels, put it in drive and slam on the brakes a few times. There is no resistance on the wheels so ABS will kick in.
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I can't speak for all cars, but the ABS module on my 2000 MGM goes through a self-test cycling the first time I get to 20km/hr after starting it up. Would that be sufficient? Also, if air gets into the ABS module, does it necessarily get forced out when the module cycles? 
2000 Grand Marquis LS HPP, a hand-me-down in 2008 with 128,000 km; 175,000 km as of July 2014
mods: air filter box 'tuba', headlight relay harness, J-mod (around 186,350 km), 70mm throttle body, KYB Gas-A-Just shocks, aluminum driveshaft, ARA3 PCMComment
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