Quite often the share F-series strength steering pumps will start whining worse than it typically does, which means it"s time to readjust it out. Changing out the pump might not protect against the whining completely, yet should help dramatically. Read on to uncover the finer details the the operation.

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This article applies to the F-150 (1987-1996).

The power steering pump provides the brute pressure via hydraulic press to aid turn the wheel left or right. As soon as it goes out or starts making an unbearable amount of noise, installing a brand-new pump is your just choice. An altering it out isn"t very hard, it simply takes part time, a little patience, and also at the very least one specialized tool.


Materials NeededBasic tool setPulley removal/install tool (Harbor Freight Item#: 40749 - can be found at many places)ScrewdriverDrain pan2-3 quarts type F ATF fluidJack and also jack stands

According come many short articles found on the forum, over there is a Saginaw pump i m sorry is a swap for the OEM pump. This pump will carry out quiet operation for a lengthy time to come and should be taken into consideration when the need arises to change out the strength steering pump. Detect one might be problematic, but well worth the trouble. They can be had from vans with the same engine and A/C configuration (either with or without, depending on what friend have). You"ll need the bracket as well as the high press hose to make it work. Also, if that hasn"t to be done in a while, consider replacing the serpentine belt, you will be taking it off to perform this anyway. You"ll likewise want to do the washing up the power steering liquid to save the vouch of the new pump intact.

(Related Article: just how to change Power Steering liquid - dearteassociazione.org)

Step 1 – Clear strength steering pump area

Using a level tip driver to relax the water tap clamps in ~ each finish of the input hoses, then eliminate the intake hoses. Place the boxed finish of a 15mm wrench ~ above the tensioner sheave (Figure 1), transforming it counterclockwise to loosen the serpentine belt. Traction the serpentine belt off of the tensioner pulley, then allow the wheel to move into the relaxed position. Complete removing the serpentine belt, by sliding it indigenous the various other pulleys. Top top the main point support, remove the two friction connectors, which host the front air ducting in place, then remove the air ducting native the wait filter box. Remove the 2 bolts stop the fan shroud in place, climate slide the shroud towards the passenger next of the vehicle to allow room to assault the strength steering pump pulley.

Figure 1. Serpentine belt removal.
Pro Tip

If there no longer is a routing guide for the serpentine belt on the main point support, take it a pair pictures of the belt routing through your cabinet phone. This deserve to save a most time when putting things back together and you cannot easily figure the end the routing.

Step 2 – eliminate power steering pump pulley

Assemble the sheave removal tool on the prior of the strength steering pump sheave (Figure 2). In the picture, the pulley is off of the strength steering pump in order come show detail of how to rally the tool.

Figure 2. Sheave removal device assembly.

Using a lengthy open end or flexible wrench, fit it on the basic of the pulley-block removal tool, v the other finish resting ~ above the structure of the truck. Usage a ratchet and also correct size socket because that the screw ~ above the pulley removal device (Figure 3). Turn the ratchet clockwise come tighten and begin the remove process. The pulley might be difficult to start pulling turn off of the pump shaft, yet once it starts moving, it becomes much easier. Continue with this until the wheel is totally removed indigenous the pump shaft.

Figure 3. Sheave removal.

Step 3 – eliminate pump

Place the drain pan under the auto to catch any fluid which might escape from the power steering lines. Loosen the pressure side power steering heat at the pump. Proceed to unscrew it till it comes totally free of the pump. Disconnect the return water tap from the pump. Ar both of this hoses properly to drain into the drain pan. Remove the 3 bolts, which connect the pump to the parentheses (Figure 4), and remove the pump. Drain the fluid in the reservoir right into the drainpipe pan to protect against spillage.

Figure 4. Pump removal.

Step 4 – Install brand-new pump

Place the brand-new pump into position and install the three mounting bolts. Many power steering kits come with brand-new O-rings because that the high push hose. Download those now. Reconnect the high push side hose, yet leave the return heat hanging. This is to permit the flush of the strength steering mechanism to occur. Ar the pulley onto the pillar of the strength steering pump as much as it will certainly go there is no trying to force it. In the pulley-block removal tool kit there should be an surroundings bolt and threaded collet (or possibly nut and washer). Assemble the installation bolt and also collet with each other so the collet is every the way onto the basic of the bolt. Screw the surroundings bolt with collet into the pump obelisk until that bottoms. The is vital to bottom the bolt so regarding not reason damage to the subject of the shaft throughout pulley installation. Hold the pulley, screw the collet so it fully engages the sheave face. Using the exactly size combination wrenches because that both environment bolt and collet, start transforming the collet clockwise to push the sheave onto the column (Figure 5). Proceed pressing pulley onto pump tower until the former of the pulley-block is flush through the shaft. This need to be at the suggest where the collet bottom out.

Figure 5. Pulley-block installation.

Step 5 – Reassembly

Move the fan shroud ago into position and re-install the two bolts to hold it into place properly. Install the serpentine belt. If the belt routing has slipped your mind, follow the routing overview that need to be located on the core assistance (or photos if you happened to snap them throughout disassembly). Hold off on installation the input ducting until action 6.

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Step 6 – Flush power steering system

Fill the reservoir with brand-new fluid. Jack the former of the van up therefore the prior tires room off the ground and place securely on jack stands. Certain the return heat is sharp down right into the drain pan. It may be much better to location the return line right into an empty 2 liter party so as to contain the fluid as the comes out of the hose. This would stop the hose from flopping around and also making a chaos everywhere. Begin the truck and immediately turn the steering wheel to the right and also left, lock-to-lock number of times. This will drain the old fluid out the the steering rack. Once the strength steering pump is empty, automatically shut under the engine. Install the return heat onto the strength steering pump. To fill the strength steering pump reservoir through clean liquid once again. Re-install the waiting ducting, however leave the lid off the strength steering liquid reservoir. Begin the truck again, rotating the steering wheel number of times, back and forth, native lock-to-lock. Execute not cramp the steering. Closeup of the door the engine turn off again. Jack the front finish of the vehicle back up and also remove the jack stands, setup the truck ago onto the ground. Begin the engine earlier up and check fluid for suitable level; when it has settled, refit the lid to the reservoir.