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Re: Isolating failure in hydroboost system - 2002 2500 CTD [Re: booger] #2070102
05/09/16 02:49 PM
05/09/16 02:49 PM
Joined: Dec 2014
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ohio
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ruderunner Offline
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ruderunner  Offline
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I've got a trick for telling if it's a front and which side. Will post a how to this evening.


Angry white pureblood male
Re: Isolating failure in hydroboost system - 2002 2500 CTD [Re: booger] #2070214
05/09/16 05:51 PM
05/09/16 05:51 PM
Joined: Aug 2012
Posts: 836
Up a holler, down a crick
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booger Offline OP
super stock
booger  Offline OP
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Up a holler, down a crick
That will be great, thanks.


Chasing bears through the woods drunk with a dull hatchet is strongly not advised
Re: Isolating failure in hydroboost system - 2002 2500 CTD [Re: booger] #2071628
05/11/16 07:26 PM
05/11/16 07:26 PM
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ohio
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ruderunner Offline
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Sorry for the delay, got hung up at works quite late the last 2 days.

Anyways, since you can get the problem to occur pretty consistently, that's a big help. You'll need a straight, fairly smooth road with minimal traffic. Drive the vehicle and apply the brakes in a fashion that makes the problem occur (hopefully under 30 and not a panic brake situation)

when doing this, take your hands off the steering wheel (keep close and ready to grab)

Note wether the steering pulls to one side or the other when the pedal starts to shake (abs kicks in)

The abs will release the brake on the wheel it thinks is slipping, this means an imbalance from side to side. The side that still has brake will pull the steering that way. Basically if the steering pulls right then the left front sensor is suspect.

Do this a few times to rule out road conditions, if it always pulls the same way on braking that kind of confirms it. If it pulls a different way each time well this doesn't work.

No pull? possibly both front sensors are no good, or the rear sensor or?

This all assumes the vehicle drives straight and true to begin with.

If the above test is inconclusive, you will need a scanner or have to shotgun it.


Angry white pureblood male
Re: Isolating failure in hydroboost system - 2002 2500 CTD [Re: booger] #2072658
05/13/16 03:34 PM
05/13/16 03:34 PM
Joined: Aug 2012
Posts: 836
Up a holler, down a crick
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booger Offline OP
super stock
booger  Offline OP
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Up a holler, down a crick
Thanks, that makes perfect sense.

I haven't fooled with it since pulling the fuse to be honest.


Chasing bears through the woods drunk with a dull hatchet is strongly not advised
Re: Isolating failure in hydroboost system - 2002 2500 CTD [Re: booger] #2072943
05/13/16 10:40 PM
05/13/16 10:40 PM
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ohio
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ruderunner Offline
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You can leave it out. But BUT you lose abs, and have a light on.


Angry white pureblood male
Re: Isolating failure in hydroboost system - 2002 2500 CTD [Re: Silver70] #2084097
06/01/16 02:57 PM
06/01/16 02:57 PM
Joined: Jan 2003
Posts: 75,020
U.S.S.A.
JohnRR Offline
I Win
JohnRR  Offline
I Win

Joined: Jan 2003
Posts: 75,020
U.S.S.A.
Originally Posted By Silver70
Missed the cold weather and noise from the pump... mine does the same thing when it's really cold, goes away after it warms up. This is with the new pump. Not sure why, but hasn't been an issue for the past 3 years it has done it.


Change the fluid.

I flushed the system with clean regular power steering fluid (replaced the steering pump on mine) and filled with MOPAR +4 POWER STEERING FLUID ($9.99 a qt at Pep Boys before the 20% off coupon) while running the returns into a bucket and keeping the pump full with a helper turning the steering wheel and pumping the brakes and the cold weather noise is pretty much GONE ...


running up my post count some more .
Re: Isolating failure in hydroboost system - 2002 2500 CTD [Re: booger] #2084482
06/02/16 04:15 AM
06/02/16 04:15 AM
Joined: Feb 2003
Posts: 18,582
Rust Belt, SW PA
Silver70 Offline
I Live Here
Silver70  Offline
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Joined: Feb 2003
Posts: 18,582
Rust Belt, SW PA
Did that when I replaced the pump... I had to flush the system for it to be covered under warranty. Made no difference at all.

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