No power steering or brakes - Dodge Cummins Diesel Forum
94-98 Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect...NO ADVERTISING

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post #1 of 15 (permalink) Old 07-30-2010, 09:04 AM Thread Starter
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No power steering or brakes

So yesterday i was heading to work and all of a sudden i had no power steering and my brakes went out to. It is all you can do to push the brake pedal in an inch. This problem happened all of a sudden there was no weird noises it went from driving great to this. My brake and power steering fluid levels are all good to. My truck has a 12 valve swap so i wasn't really sure if i should post this here or in the 2nd gen 24v section so if it's in the wrong section mods please move it. Thanks!


2001 Dodge 2500 4x4 w/12v
HE351 over S475, DDP Comps, Benched 181 Pump, 197 Dv's, Suncoast, FASS, Tork OFV
TNT Performance
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post #2 of 15 (permalink) Old 07-30-2010, 09:27 AM
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do you have a hydroboost setup or did you swap in a vacuum setup

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96 2wd reg cab 2500, 405k miles, sport conversion, K&N. Replacment airfilter, homemade 4in.
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post #3 of 15 (permalink) Old 07-30-2010, 10:04 AM Thread Starter
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It has a hydroboost setup i am a powerstroke guy and this is my first cummins so i just wanted to make sure that's what it was. Is that the only thing that could be wrong? Thanks.

2001 Dodge 2500 4x4 w/12v
HE351 over S475, DDP Comps, Benched 181 Pump, 197 Dv's, Suncoast, FASS, Tork OFV
TNT Performance
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post #4 of 15 (permalink) Old 07-30-2010, 11:51 AM
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Originally Posted by goosekllr View Post
It has a hydroboost setup i am a powerstroke guy and this is my first cummins so i just wanted to make sure that's what it was. Is that the only thing that could be wrong? Thanks.
Mine has done the same thing twice and both times it has been the power steering pump. Chances that is the same thing that is happening to you. I would replace the pump first then look at the hydroboost. jmo

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post #5 of 15 (permalink) Old 07-30-2010, 11:53 AM Thread Starter
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Cool, might be a dumb question but why would the brakes go out if the power steering pump went up?

2001 Dodge 2500 4x4 w/12v
HE351 over S475, DDP Comps, Benched 181 Pump, 197 Dv's, Suncoast, FASS, Tork OFV
TNT Performance
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post #6 of 15 (permalink) Old 07-30-2010, 12:00 PM Thread Starter
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I just remembered the guy i bought the truck from just put a power steering pump on so hopefully it isn't that.

2001 Dodge 2500 4x4 w/12v
HE351 over S475, DDP Comps, Benched 181 Pump, 197 Dv's, Suncoast, FASS, Tork OFV
TNT Performance
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post #7 of 15 (permalink) Old 07-30-2010, 03:28 PM
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Your breaks would go with your powersteering on a hydroboost setup because your power brakes work off of your powersteering, unlike a gas job that works off of vacum from the engine, some of the 12v have a vacum setup i believe from 96 on back through the older ones.

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Oh yeah and a brand new valair clutch not installed yet
aka Sh1ty ol 12 valve
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post #8 of 15 (permalink) Old 07-30-2010, 03:33 PM
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your power steering pump, not only pressurizes your steering to amke it easy to turn, but it also pressurizes your brakes to make it easy to push your brakes.
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post #9 of 15 (permalink) Old 07-30-2010, 08:49 PM
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Originally Posted by dwr91 View Post
Your breaks would go with your powersteering on a hydroboost setup because your power brakes work off of your powersteering, unlike a gas job that works off of vacum from the engine, some of the 12v have a vacum setup i believe from 96 on back through the older ones.
Yeah, what he said.............................................. ...

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post #10 of 15 (permalink) Old 07-30-2010, 08:52 PM
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ill take another vote for pump failure. no pump + hydroboost = no power brakes or steering (fun!)

Pull the pump off and check the coupler between the vac pump and PS pump, it is also another common failure point in this situation

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post #11 of 15 (permalink) Old 08-02-2010, 07:10 AM Thread Starter
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no pump + hydroboost = no power brakes or steering (fun!)

Tell me about it i ran some dude off the road when i exited off the highway it wasn't cool at all. Thanks for all your help!

2001 Dodge 2500 4x4 w/12v
HE351 over S475, DDP Comps, Benched 181 Pump, 197 Dv's, Suncoast, FASS, Tork OFV
TNT Performance
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post #12 of 15 (permalink) Old 08-02-2010, 08:55 AM
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Before you buy a new pump try this: powersteering

It worked for a friend of mine and others on the forums. He did not enlarge the orifice just cleaned the screen and striched the spring.

Floyd
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