Notices
1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Whining Power Steering Pump

Thread Tools
 
Search this Thread
 
Old Jul 14, 2020 | 09:24 PM
  #1  
GavinL's Avatar
GavinL
Thread Starter
|
Mountain Pass
Joined: Nov 2018
Posts: 115
Likes: 7
Whining Power Steering Pump

Just replaced the power steering pump and gear box and it whines like crazy when turning. Its full on fluid which looks clear. I replaced both the pump and gear box at the same time so i don't think its dirty fluid since it is brand new. Any ideas? Its really annoying.

95 f150 5.0l V8 eddie bauer extended cab 4x4.
 
Reply
Old Jul 14, 2020 | 09:29 PM
  #2  
DPDISXR4Ti's Avatar
DPDISXR4Ti
Fleet Mechanic
10 Year Member
Photogenic
Liked
Loved
Joined: Nov 2011
Posts: 1,823
Likes: 43
From: New York
I can only assume you've got air in the system somewhere. That said, I will only run a Saginaw pump in any Ford I own. I've converted to one in my 4.9 (easy), as well as a Lima 2.3 Turbo (not so easy).
 
Reply
Old Jul 14, 2020 | 09:47 PM
  #3  
My4Fordtrucks's Avatar
My4Fordtrucks
Hotshot
10 Year Member
Liked
Loved
Community Favorite
Joined: Jun 2015
Posts: 12,881
Likes: 2,446
If the fluid isn’t foamy it doesn’t sound like it still has air in it but that is possible. My guess is that the new pump is just that loud.

Technically the fluid should look pink since Type F ATF is a fluid specified in the owners manual.
 
Reply
Old Jul 14, 2020 | 09:50 PM
  #4  
GavinL's Avatar
GavinL
Thread Starter
|
Mountain Pass
Joined: Nov 2018
Posts: 115
Likes: 7
I don't know how air could be inside since it is not a closed system. The driving I've done since replacement should have purged any air. And it is not foamy as mentioned in My4FordTrucks' reply.

I've been doing some reading and people are using synthetic red ATF instead of powersteering fluid. I switched to a redhead steering gear box which has red fluid inside when I took it out. Maybe ATF may be the solution?

If not, where can I find Saginaw pumps? What I'm seeing is for Chevys..
 
Reply
Old Jul 15, 2020 | 09:14 AM
  #5  
DPDISXR4Ti's Avatar
DPDISXR4Ti
Fleet Mechanic
10 Year Member
Photogenic
Liked
Loved
Joined: Nov 2011
Posts: 1,823
Likes: 43
From: New York
Originally Posted by GavinL
If not, where can I find Saginaw pumps?
Search in here. Plenty of info on swapping in a Saginaw pump out of an E-series van.
 
Reply
Old Jul 15, 2020 | 10:51 AM
  #6  
My4Fordtrucks's Avatar
My4Fordtrucks
Hotshot
10 Year Member
Liked
Loved
Community Favorite
Joined: Jun 2015
Posts: 12,881
Likes: 2,446
Originally Posted by GavinL
I've been doing some reading and people are using synthetic red ATF instead of powersteering fluid. I switched to a redhead steering gear box which has red fluid inside when I took it out. Maybe ATF may be the solution?

If not, where can I find Saginaw pumps? What I'm seeing is for Chevys..
The factory fill was with type F ATF not p/s fluid.

You will need the bracket, pump and pressure hose out of either a 5.0 or 5.8 van. I am not sure when the vans went from “V” belts to serpentine but you can easily find that information in one of the many threads about the swap. The mounting holes for the Saginaw pump is different than the Ford pump and the line also does not swap
over. Obviously you can procure a new line for a van instead of using the old one.
 
Reply
Old Jul 15, 2020 | 10:53 AM
  #7  
GavinL's Avatar
GavinL
Thread Starter
|
Mountain Pass
Joined: Nov 2018
Posts: 115
Likes: 7
What do you mean the mounting holes are different? That would be fixed by putting the bracket from the van on, right?
 
Reply
Old Jul 15, 2020 | 11:35 AM
  #8  
My4Fordtrucks's Avatar
My4Fordtrucks
Hotshot
10 Year Member
Liked
Loved
Community Favorite
Joined: Jun 2015
Posts: 12,881
Likes: 2,446
Correct. You cannot just replace the pump with a Saginaw. The bolt spacing to the bracket is different.
 
Reply
FTE Stories

Ford Trucks for Ford Truck Enthusiasts

story-0

10 Ways Ford is LOSING to the Competition

 Joe Kucinski
story-1

Top 6 Best Deals Available on New Fords & Lincolns Right Now

 Brett Foote
story-2

This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level

 Verdad Gallardo
story-3

Top 10 Fords at 2026 Carlisle Ford Nationals

 Joe Kucinski
story-4

3 Best / 3 Worst Parts of Modern Ford Ownership

 Brett Foote
story-5

10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

 Pouria Savadkouei
story-6

Every 2026 Ford Engine Explained

 Brett Foote
story-7

10 Ugly Ford Trucks That We Still Kinda Love

 Joe Kucinski
story-8

10 Things Every Truck Owner NEEDS (2026 Edition)

 Michael S. Palmer
story-9

Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

 Verdad Gallardo
Old Jul 15, 2020 | 11:51 AM
  #9  
yardbird's Avatar
yardbird
Logistics Pro
20 Year Member
Liked
Loved
Community Favorite
Joined: Dec 2003
Posts: 3,781
Likes: 876
From: Foothills of NC
Put this in the pump. If anything will stop a Ford, or any other type of PS pump from whining, this will do it. I've used it for decades on many, many vehicles with 100% success. What have you got to lose except a few dollars. I had an Areostar you could hear many blocks away. Stopped it within 10 minutes, and ran for probably close to 8 years after that before it was sold to someone that didn't live close by, with a silent PS pump the whole time.

It's in my F150 now, and has been for probably close to 15 years. Completely silent PS pump on it since.

NAPA carries it, and also the same stuff under their NAPA brand. Some O'reilly stores have it.



 
Reply
Old Jul 15, 2020 | 01:45 PM
  #10  
95fiveoh's Avatar
95fiveoh
Elder User
Joined: Nov 2016
Posts: 904
Likes: 3
From: Pittsburgh
Just did a saginaw swap on my F150 this spring. Some of the best money I've spent on that truck.
 
Reply
Old Jul 15, 2020 | 02:20 PM
  #11  
samper's Avatar
samper
Cross-Country
Joined: Nov 2014
Posts: 56
Likes: 2
From: Houston, Texas
I have the same whine issue but mine is an old pump. Mine is a 1990 F150 5.8 Lariat 2WD. Would the saginaw fit? Thanks.
 
Reply
Old Jul 15, 2020 | 11:13 PM
  #12  
95fiveoh's Avatar
95fiveoh
Elder User
Joined: Nov 2016
Posts: 904
Likes: 3
From: Pittsburgh
Yes, find an E-series van with a 5.0L or 5.8L engine and take the pump and pump bracket from it. I was able to reuse the same belt. You will need to change the power steering pressure hose to a van hose. I got everything for my 1995 F150 5.0L off of a 1994 E-150 with a 5.8L. I think I paid $40 or $50 for it.
 
Reply
Old Jul 16, 2020 | 05:58 PM
  #13  
samper's Avatar
samper
Cross-Country
Joined: Nov 2014
Posts: 56
Likes: 2
From: Houston, Texas
thank you.
 
Reply
Old Jul 23, 2020 | 09:49 AM
  #14  
GavinL's Avatar
GavinL
Thread Starter
|
Mountain Pass
Joined: Nov 2018
Posts: 115
Likes: 7
Just got my new pump. Desolate motorsports sells a new one with a bracket, lines and new belt. I plan on putting it in this weekend. Did you use ATF or Power Steering Fluid for the Saginaw pump.
 
Reply
Old Jul 23, 2020 | 09:53 AM
  #15  
My4Fordtrucks's Avatar
My4Fordtrucks
Hotshot
10 Year Member
Liked
Loved
Community Favorite
Joined: Jun 2015
Posts: 12,881
Likes: 2,446
I used type F ATF
 
Reply



All times are GMT -5. The time now is 01:49 PM.

story-0
10 Ways Ford is LOSING to the Competition

Slideshow: 10 ways Ford is losing to the competition

By Joe Kucinski | 2026-06-15 09:52:01


VIEW MORE
story-1
Top 6 Best Deals Available on New Fords & Lincolns Right Now

Some great targets in today's expensive world.

By Brett Foote | 2026-06-15 09:35:19


VIEW MORE
story-2
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level

Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.

By Verdad Gallardo | 2026-06-12 11:01:55


VIEW MORE
story-3
Top 10 Fords at 2026 Carlisle Ford Nationals

Slideshow: Top 10 Fords at 2026 Ford Nationals

By Joe Kucinski | 2026-06-09 11:10:08


VIEW MORE
story-4
3 Best / 3 Worst Parts of Modern Ford Ownership

Based on years of owning multiple modern Ford products.

By Brett Foote | 2026-06-09 10:53:36


VIEW MORE
story-5
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

SPONSORED: From muddy boots to rain-soaked cargo, these upgrades address some of the most common frustrations Ford truck owners face every day.

By Pouria Savadkouei | 2026-06-08 18:50:34


VIEW MORE
story-6
Every 2026 Ford Engine Explained

Here's everything you need to know about every Ford engine available for the 2026 model year.

By Brett Foote | 2026-06-05 12:58:01


VIEW MORE
story-7
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-8
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-9
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE