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Re: Brake Bleeding with compressed air question...
What I noticed with any older Dodge vehicle (I gather that 2004 may also work...) is you need to LEAVE the IGNITION KEY OFF when bleeding... With the key on, you power up the ABS unit causing air bubbles to get stirred up...
Main thing, is to RELIEVE the pressure from the ABS...
With key off... PUMP BRAKE PEDAL 200 TIMES (they say 30 times, but I found 200 times is right for really airbound systems...
Then go through the bleeding process (with key off), but you absolutely MUST bleed the master cylinder from the lines first, as well as from the ABS...
You can try to NOT bleed the ABS unit if you pump the brake 200 times and bleed the master and 4 wheels, but if it doesn't work, you'll need to pump it 200 times again when you need to rebleed...
Also, these vans have a diagonal braking system... Which ever wheel in the back ran out of fluid, then the opposite side in the front needs to be bled...
Hope that helps...
Mike
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