Getting 1152A1 pump problems before buying. Power stering and brakes

[Dave2018]

Thanks to all the replies about the power steering issue. I am getting close to buying either a power steering pump or a hydroboost unit.
Its kind of a guessing game as these small systems don't have pressure gages ect. Problem is a new whining noise and I can feel some vibration with the brake pedal. Both brake and steering system were full and no leaks when the noise etc started. I drained all the fluid from the ps system. Then did the 40 turn off the ground bleeding as per the manual. Have not tried to bleed the brakes as they seem to be effected by the power steering.
I have not seen a lot of hydroboost units selling as much as power steering pumps. Thats why asking here. Which ever one seems to go out first is probably what gets replaced. And the truck still has less than 2k miles. Still had plastic on seats and gearshift when bought. Not a scratch underneath from the road.
Thanks,
Dave

 

[Mogman]

Thanks to all the replies about the power steering issue. I am getting close to buying either a power steering pump or a hydroboost unit.
Its kind of a guessing game as these small systems don't have pressure gages ect. Problem is a new whining noise and I can feel some vibration with the brake pedal. Both brake and steering system were full and no leaks when the noise etc started. I drained all the fluid from the ps system. Then did the 40 turn off the ground bleeding as per the manual. Have not tried to bleed the brakes as they seem to be effected by the power steering.
I have not seen a lot of hydroboost units selling as much as power steering pumps. Thats why asking here. Which ever one seems to go out first is probably what gets replaced. And the truck still has less than 2k miles. Still had plastic on seats and gearshift when bought. Not a scratch underneath from the road.
Thanks,
Dave

I would ask myself in what way could the booster cause a whine, If you have allot of pulsation (whine is a symptom) you will feel it in the steering and brakes.
Also according to the #1 expert here, bad o rings on the high pressure hoses can cause whining, real cheap thing to try, Also I would replace all the suction hoses before investing in a pump.
You can also get a PS diag kit for the HMMWV, pretty cheap also.

 

[Dave2018]

I would ask myself in what way could the booster cause a whine, If you have allot of pulsation (whine is a symptom) you will feel it in the steering and brakes.
Also according to the #1 expert here, bad o rings on the high pressure hoses can cause whining, real cheap thing to try, Also I would replace all the suction hoses before investing in a pump.
You can also get a PS diag kit for the HMMWV, pretty cheap also.

For sure no whine from booster. Thought it had a small impellar or something. Like the suction hose idea.
Will get these ordered......ready to roll again.

 

[m38inmaine]

My PS pump was noisy and the brake pedal was pulsing, I installed a new pump and it cured both issues. When the booster goes bad it usually starts weeping fluid where the rod exits to the pedal.

 

[Dave2018]

My PS pump was noisy and the brake pedal was pulsing, I installed a new pump and it cured both issues. When the booster goes bad it usually starts weeping fluid where the rod exits to the pedal.

Thanks for that info. Big help. Will get my pump. Booster is clean and dry.