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Technical Information

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Air Bleeding Single Steering System  


Note: If this is a replacement steering gear, please follow the poppett/plunger adjustment procedure for automatic adjusting steering gears prior to bleeding system.

Caution: For Steps 1 and 2 do not turn steering wheel or air may be induced into system.

Step1 : Fill reservoir to nearly full. Crank the engine for 10 seconds without allowing it to start. If it does start, shut off immediately. Check and refill the reservoir. Repeat process at least three times, checking the reservoir each time.

Caution: Do not allow fluid to drop significantly or run out of reservoir as this may induce air into system.

Step2 : Start engine and let it idle for two minutes. Do not steer. Shut off engine and check the reservoir fluid level. Refill if necessary.

Step3 : Start the engine again. Steer the vehicle from full left to full right several times. Add fluid, as necessary to full line on dipstick.

Note: The above procedure should remove all air from steering system. If gear is mounted in an inverted position and is equipped with a manual bleed screw, commonly found with TRW/Ross steering gears, please continue to step 4.

Step4 : Follow the above procedure. Leave engine idling. With the steering gear in centered position, loosen the bleed screw about one turn (5/16 inch socket required for TRW/Ross, 1/8” allen wrench for Sheppard ). This allows the air and aerated fluid to “bleed out” around bleed screw until only clear (non aerated) fluid is present. Close bleed screw and check and fill reservoir if necessary. Torque manual bleed screw to
27-33 inch pounds.

Caution: Do not turn steering wheel with manual bleed screw loosened.

Air Bleeding Dual Steering System


Bleeding the dual steering gear system is necessary whenever the system has been repaired. The bleeding procedure is the same no matter the gear sizes used.

bullet Raise the vehicle up until front wheels have cleared surface.
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Inspect fluid level in reservoir to ensure it is full. Continue filling after starting engine and during the bleed process to maintain correct fluid level.
Note: Do not allow reservoir to empty during this procedure as it can cause pump damage or further aeration.
bullet

Remove drag links from both master and slave gears pitman arm following the procedure in vehicles service manual.
bullet Start engine and allow it to idle.
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Turn steering wheel to full left and hold until slave gear moves its full travel. Then turn full right and hold until slave gear moves its full travel. Repeat this three or more times.
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Connect drag link to the master gear. Torque attaching nut according to vehicle service manual.
Note: Do not back off nut while finding cotter pin hole.
Note: Always use new cotter pins, retainers or fasteners.
bullet

Install new cotter pin through ball stud nut and lock in place.
Note: Not installing a new cotter pin in ball stud could result in loss of steering control.
bullet


With the master gear drag link connected, turn the steering wheel too full left turn and hold until slave gear pitman arm reaches full travel. Then turn the steering wheel to full right turn and hold until slave gear pitman reaches full travel. Repeat this three or more times.
bullet

Connect the drag link to the slave gear, turn steering wheel until pitman arm lines up with drag link. (Do not move the pitman arm by hand as air may get into system.) Torque attaching nut according to vehicle service manual.
bullet Install new cotter pin through ball stud nut and lock in place.
bullet Turn full left and full right several more times.
bullet Inspect fluid level.

 

Keep your system clean

We recommend when replacing a power steering pump or gear:
* Inspect all hoses and fittings     * Fluid is flushed and replaced       *Filter is changed
 
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