Question about 2003 Hummer H2

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Power steering and brakes do not work when I returned from vacation

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RECALL: 2003-2004 Hummer H2 NHTSA Campaign Number: 04V045000

www.nhtsa.dot.gov
Manufacturer GENERAL MOTORS CORP. Recall Date: 02/04/2004 Potential Number Of Units Affected: 68,875 Description SERVICE BRAKES, HYDRAULIC Summary CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE. Consequence CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE. Remedy DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON APRIL 26, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.

Posted on Jan 03, 2011

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1 Answer

Is there much of a difference between Power Steering Fluid and brake fluid?


If you put brake fluid in the power steering pump, you will
ruin not only the pump but the entire system almost on startup

Brake fluid is NOT a Lubricant,it closer to the coolant family

You will have to romove the fuel injector fuse & power steering
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I doubt you can do that

I wouldn't start the motor have it towed to a shop

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Lingo is o.k., but I think you may be confusing power steering with power brakes. Power steering has no master cylinder (brakes do) and no power booster (brakes do). The power steering pump is mounted on the front of engine and run by the fan belt or the serpentine belt. The p/s hoses are 2- a pressure line and a return line, and run from the pump to the steering box or to the rack and pinion steering gear.
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Drain out the fluid again and refill with the right fluid. Run the engine and operate the steering several times, drain it again. Do this about four times, that should get most of the brake fluid out. Put in a bottle of Wynn's steering fix and top up the system and hope that you caught the problem in time. Good luck.

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If the power steering was ok before the brake job, I would suspect something went amiss while the mechanics were working on the car. And why, when you returned to the shop, would they clean out your power steering fluid? I don't think I've ever heard of anyone doing that before. Unless they knew there was something wrong with the power steering fluid. This may sound crazy, but I'm thinking they topped your power steering reservoir off with hydraulic brake fluid when they were working on your brakes. If, in fact, they did put brake fluid in the power steering, changing the fluid would only remove the brake fluid from the reservoir. The rack and pinion assembly would still have the contaminant inside it, which could cause the steering problem you described.

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Check the hoses are not closed up and causing a restriction also check the relief valve.

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As weird as it may sound, i'd check the power steering fluid. An empty power steering fluid tank will make the power steering grind and make weird noises, and having it at full lock will worsen the noise and have no fluid to build pressure it might starting jumping the steering around a bit. If the power steering is OK then you will need to take the rear drums apart to check for any broken retainer springs preventing the pads from returning into place and it will keep braking and grinding. Could also just be some rust or a broken off metal part in the drum also, but either way you will need to take the drums off and inspect the springs, clips and pads to ensure everything is OK and nothing stays jammed into braking position. Also be sure to verify the rear brake cylinders in the drums, as it may also be them that don't return to the initial position and keep the brakes on.

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High pressure power steering hose - one or two?


Here is a pic.

[IMG]http://i253.photobucket.com/albums/hh43/chuck943/DG1690A.gif[/IMG]



1 3A674 Power Steering Pump 2 3A714 Power Steering Pressure Hose 3 3C510 Power Steering Hose Bracket 4 3N824 Power Steering Pressure Switch 5 3504 Steering Gear 6 3A713 Power Steering Return Hose (Gear to Cooler) 7 3D746 Power Steering Fluid Cooler 8 3493 Power Steering Return Hose (Cooler to Pump

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Engine problem 1997 Chevrolet Silverado C-1500


I have a feeling that when you stopped the first time your engine was already stalled....if your engine was still operating you would have had either brakes, or steering, or both.......

When you said you tried to accelerate, did the truck move at all?, or did the engine race?...what else happened?

In the short description above it sonds like your fuel pump may be on vacation, hence no fuel, hence no power sterring, or power brakes...good news is...no speeding tickets either (just a little humor).

Hopefully this helps you, let me know, and thanks for letting FixYa.com try to guide you.

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